Product Description
More model of Needle Roller Bearing
Related Information
| NEEDLE ROLLER BEARINGS | |
| SERIES | INNER DIAMETER |
| K Series | 3mm-130mm |
| HK Series | 3mm-60mm |
| SCE Series | 0.125-3.500 |
| BK Series | 3mm-60mm |
| BCE Series | 0.125-3.500 |
| HF Series | 4mm-35mm |
| HFL Series | 8mm-35mm |
| NK Series | 5mm-100mm |
| NKI Series | 5mm-100mm |
| NA4900 Series | 10mm-100mm |
| RNA4900 Series | 10mm-100mm |
| NA6900 Series | 10mm-100mm |
| RNA6900 Series | 10mm-100mm |
| AXK Series | 6mm-160mm |
| AS Series | 6mm-160mm |
| Drawn cup needle roller bearings | ||||||||
| Bearing Number | Boundary dimensions(mm) | Basic load ratings(N) | Limiting speeds(rpm) | Mass(g) | ||||
| Fw | D | C | Cr | Cor | Oil | (Approx.) | ||
| HK Series | HK0408TN | 4 | 8 | 8 | 1540 | 1070 | 4000 | 1.6 |
| HK0509 | 5 | 9 | 9 | 2200 | 1790 | 36000 | 2 | |
| HK05X09X08 | 5 | 9 | 8 | 2200 | 1790 | 36000 | 1.9 | |
| HK0607 | 6 | 10 | 7 | 1600 | 1400 | 30000 | 1.8 | |
| HK0608 | 6 | 10 | 8 | 1830 | 1550 | 32000 | 2.1 | |
| HK0609 | 6 | 10 | 9 | 2650 | 2400 | 3000 | 2.2 | |
| HK0611 | 6 | 10 | 11 | 1700 | 1500 | 29000 | 2.3 | |
| HK06X12X08 | 6 | 12 | 8 | 2230 | 2571 | 33000 | 2.5 | |
| HK0708 | 7 | 11 | 8 | 2800 | 2150 | 27000 | 2.2 | |
| HK0709 | 7 | 11 | 9 | 2800 | 2150 | 27000 | 2.3 | |
| HK07X12X08 | 7 | 12 | 8 | 3300 | 3220 | 37000 | 2.2 | |
| HK07X12X09 | 7 | 12 | 9 | 3400 | 3150 | 37000 | 2.4 | |
| HK0808 | 8 | 12 | 8 | 2550 | 2400 | 21000 | 2.7 | |
| HK571 | 8 | 12 | 10 | 3700 | 3450 | 21000 | 3 | |
| HK08X14X10 | 8 | 14 | 10 | 3800 | 3950 | 25000 | 5.35 | |
| HK08X14X12 | 8 | 14 | 12 | 4100 | 4320 | 25000 | 6.6 | |
| HK 0571 | 9 | 13 | 8 | 3650 | 4050 | 25000 | 3 | |
| HK571 | 9 | 13 | 10 | 4050 | 4250 | 25000 | 4 | |
| HK571 | 9 | 13 | 11 | 4300 | 4700 | 25000 | 4.1 | |
| HK571 | 9 | 13 | 12 | 5000 | 6000 | 25000 | 4.6 | |
| HK09X15X10 | 9 | 15 | 10 | 5300 | 6300 | 25000 | 5.6 | |
| HK1571 | 10 | 14 | 10 | 3900 | 4800 | 19000 | 4.1 | |
| HK1012 | 10 | 14 | 12 | 5000 | 6300 | 19000 | 4.8 | |
| HK1015 | 10 | 14 | 15 | 6700 | 7800 | 19000 | 6 | |
| HK10X13X08 | 10 | 13 | 8 | 4100 | 4800 | 20000 | 3.5 | |
| HK10X15X15 | 10 | 15 | 15 | 6800 | 8800 | 18000 | 6.5 | |
| HK10X16X10 | 10 | 16 | 10 | 6800 | 8800 | 18000 | 6.5 | |
| HK10X16X12 | 10 | 16 | 12 | 6800 | 8800 | 18000 | 7.5 | |
| HK10X16X15 | 10 | 16 | 15 | 6800 | 8800 | 19000 | 11 | |
| HK10X17X15 | 10 | 17 | 15 | 7200 | 8000 | 19000 | 11.5 | |
| HK10X18X12 | 10 | 18 | 12 | 7200 | 8000 | 19000 | 8.5 | |
| HK1208 | 12 | 16 | 8 | 7200 | 8000 | 19000 | 3.3 | |
| HK1210 | 12 | 16 | 10 | 4150 | 5800 | 19000 | 4.6 | |
| HK1212 | 12 | 16 | 12 | 3800 | 5100 | 15000 | 5.6 | |
| HK12X17X12 | 12 | 17 | 12 | 5100 | 7000 | 15000 | 7.5 | |
| HK12X17X15 | 12 | 17 | 15 | 5100 | 7000 | 15000 | 9.5 | |
| HK12X17X18 | 12 | 17 | 18 | 5100 | 7000 | 15000 | 11 | |
| HK12X18X12 | 12 | 18 | 12 | 5500 | 6300 | 17000 | 9.1 | |
| HK12X18X14 | 12 | 18 | 14 | 6500 | 6300 | 15000 | 10.6 | |
| HK12X19X12 | 12 | 19 | 12 | 6800 | 7400 | 15000 | 10 | |
| HK1311 | 13 | 19 | 11 | 6300 | 6300 | 14000 | 8.5 | |
| HK1312 | 13 | 19 | 12 | 6200 | 7100 | 17000 | 8.9 | |
| HK13.5X20X12 | 13.5 | 20 | 12 | 6250 | 7590 | 16000 | 10.8 | |
| HK1410 | 14 | 20 | 10 | 6700 | 7000 | 16000 | 8.3 | |
| HK1412 | 14 | 20 | 12 | 6800 | 7500 | 16000 | 10.5 | |
| HK1416 | 14 | 20 | 16 | 7300 | 9000 | 14000 | 13.9 | |
| HK1512 | 15 | 21 | 12 | 7000 | 8400 | 14000 | 11.1 | |
| HK1514 | 15 | 21 | 14 | 8500 | 10400 | 13000 | 12.7 | |
| HK1515 | 15 | 21 | 15 | 9100 | 11400 | 13000 | 14.2 | |
| HK1516 | 15 | 21 | 16 | 9800 | 11400 | 14000 | 15 | |
| HK1522 | 15 | 21 | 22 | 10400 | 16500 | 14000 | 20.4 | |
| HK15X20X12 | 15 | 20 | 12 | 5800 | 6000 | 14000 | 8.4 | |
| HK15X20X16 | 15 | 20 | 16 | 6000 | 6200 | 14000 | 11.4 | |
| HK15X20X20 | 15 | 20 | 20 | 6100 | 6400 | 14000 | 13.8 | |
| HK15X22X12 | 15 | 22 | 12 | 14300 | 18400 | 13000 | 12.5 | |
| HK15X22X12.5 | 15 | 22 | 12.5 | 14300 | 18400 | 13000 | 13.5 | |
| HK1614 | 16 | 22 | 14 | 8800 | 9900 | 12000 | 14.4 | |
| HK1616 | 16 | 22 | 16 | 15710 | 14300 | 14000 | 15.8 | |
| HK1617 | 16 | 22 | 17 | 12900 | 17200 | 12000 | 18 | |
| HK1622 | 16 | 22 | 22 | 11100 | 17400 | 14000 | 21.7 | |
| HK16X21X06 | 16 | 21 | 6 | 4200 | 5300 | 12000 | 5.5 | |
| HK16X21X09 | 16 | 21 | 9 | 4400 | 5600 | 12000 | 7.5 | |
| HK1612 | 16 | 22 | 12 | 7100 | 9200 | 14000 | 11.7 | |
| HK1712 | 17 | 23 | 12 | 6900 | 9300 | 13000 | 12.2 | |
| HK1714 | 17 | 23 | 14 | 6800 | 15710 | 10000 | 14 | |
| HK1716 | 17 | 23 | 16 | 8500 | 12500 | 10000 | 15.9 | |
| HK1718 | 17 | 23 | 18 | 9500 | 10600 | 10000 | 19 | |
| HK17X21.5X15 | 17 | 21.5 | 15 | 6300 | 8600 | 11000 | 10 | |
| HK17X24X15 | 17 | 24 | 15 | 11200 | 12800 | 10000 | 17 | |
| HK17X25X14 | 17 | 25 | 14 | 13100 | 14700 | 10000 | 17.7 | |
| HK17X25X15.5 | 17 | 25 | 15.5 | 9320 | 10400 | 10000 | 20 | |
| HK17X25X18 | 17 | 25 | 18 | 9500 | 10600 | 11000 | 23.5 | |
| HK17X25X18-RS | 17 | 25 | 18 | 10500 | 12600 | 13000 | 23.5 | |
| HK1812 | 18 | 24 | 12 | 7100 | 9900 | 12000 | 13.1 | |
| HK1816 | 18 | 24 | 16 | 106500 | 15300 | 12000 | 17.5 | |
| HK19X27X16 | 19 | 27 | 16 | 8100 | 9500 | 10500 | 23 | |
| HK2571 | 20 | 26 | 10 | 5900 | 7200 | 10000 | 11.8 | |
| HK2011 | 20 | 26 | 11 | 7500 | 9200 | 9000 | 12 | |
| HK2012 | 20 | 26 | 12 | 7600 | 15710 | 10000 | 14.1 | |
| HK2014 | 20 | 26 | 14 | 9700 | 18100 | 9000 | 15.7 | |
| HK2016 | 20 | 26 | 16 | 11700 | 29100 | 10000 | 19.3 | |
| HK2018 | 20 | 26 | 18 | 7900 | 12800 | 9000 | 23.3 | |
| HK2571 | 20 | 26 | 20 | 13700 | 24000 | 10000 | 24.1 | |
| HK2571 | 20 | 26 | 25 | 9100 | 14800 | 9900 | 28 | |
| HK2030 | 20 | 26 | 30 | 21800 | 40000 | 15710 | 34.7 | |
| HK20X27X18 | 20 | 27 | 18 | 26000 | 47200 | 9900 | 78 | |
| HK20X27X20 | 20 | 27 | 20 | 26300 | 47800 | 9900 | 82 | |
| HK20X27X30 | 20 | 27 | 30 | 28500 | 48800 | 9900 | 94 | |
| HK20X28X16 | 20 | 28 | 16 | 29600 | 49800 | 9900 | 28.5 | |
| HK20X29X18 | 20 | 29 | 18 | 30900 | 54600 | 9900 | 41 | |
| HK2210 | 22 | 28 | 10 | 7200 | 9500 | 1571 | 12.3 | |
| HK2212 | 22 | 28 | 12 | 8100 | 10400 | 1571 | 15 | |
| HK2216 | 22 | 28 | 16 | 11400 | 18100 | 1571 | 20.9 | |
| HK2220 | 22 | 28 | 20 | 14500 | 25000 | 1571 | 26.2 | |
| HK2230 | 22 | 28 | 30 | 17500 | 30400 | 9000 | 32 | |
| HK22X28X7.5TN | 22 | 28 | 7.5 | 5200 | 7000 | 1571 | 8.8 | |
| HK22X29X25 | 22 | 29 | 25 | 18100 | 31500 | 9000 | 37 | |
| HK22X29X30 | 22 | 29 | 30 | 19400 | 33100 | 9000 | 43 | |
| HK22X30X14 | 22 | 30 | 14 | 19800 | 34000 | 9000 | 21.9 | |
| HK24X30X7.5TN | 24 | 30 | 7.5 | 5800 | 7200 | 10000 | 10.6 | |
| HK2512 | 25 | 32 | 12 | 10000 | 14200 | 9000 | 20 | |
| HK2514 | 25 | 32 | 14 | 13600 | 18700 | 9000 | 21.9 | |
| HK2516 | 25 | 32 | 16 | 13600 | 20000 | 9000 | 27.3 | |
| HK2518 | 25 | 32 | 18 | 17500 | 25800 | 9000 | 28.2 | |
| HK2520 | 25 | 32 | 20 | 17900 | 30000 | 9000 | 34.1 | |
| HK2525 | 25 | 32 | 25 | 22200 | 36700 | 9000 | 40 | |
| HK2526 | 25 | 32 | 26 | 22500 | 42000 | 9000 | 44.8 | |
| HK2538 | 25 | 32 | 38 | 30000 | 58000 | 9000 | 64.7 | |
| HK25X33X10 | 25 | 33 | 10 | 34800 | 69600 | 9000 | 17 | |
| HK25X33X15 | 25 | 33 | 15 | 35700 | 70000 | 9000 | 27.4 | |
| HK25X35X20 | 25 | 35 | 20 | 36100 | 78650 | 9000 | 44.9 | |
| HK2816 | 28 | 35 | 16 | 15400 | 22500 | 8700 | 30.1 | |
| HK2818 | 28 | 35 | 18 | 18500 | 29300 | 8700 | 31.7 | |
| HK2820 | 28 | 35 | 20 | 18900 | 32000 | 8700 | 37.6 | |
| HK3012 | 30 | 37 | 12 | 15710 | 16200 | 8100 | 24 | |
| HK3016 | 30 | 37 | 16 | 15200 | 27000 | 8100 | 32 | |
| HK3018 | 30 | 37 | 18 | 19200 | 31500 | 8100 | 33.6 | |
| HK3571 | 30 | 37 | 20 | 19700 | 33500 | 8100 | 40.1 | |
| HK3026 | 30 | 37 | 26 | 24000 | 50000 | 8100 | 52.9 | |
| HK3038 | 30 | 37 | 38 | 32500 | 74000 | 8100 | 76.1 | |
| HK30X38X12 | 30 | 38 | 12 | 38100 | 80000 | 8100 | 28 | |
| HK30X38X16 | 30 | 38 | 16 | 39000 | 82000 | 8100 | 32.7 | |
| HK30X38X24 | 30 | 38 | 24 | 39910 | 88800 | 8100 | 49 | |
| HK30X38X32 | 30 | 38 | 32 | 38890 | 88700 | 8100 | 69 | |
| HK3224 | 32 | 38 | 24 | 25500 | 52000 | 7300 | 50.7 | |
| HK3232 | 32 | 39 | 32 | 22600 | 54300 | 7100 | 66.4 | |
| HK32X38X11 | 32 | 38 | 11 | 19700 | 43200 | 7800 | 17 | |
| HK32X40X32 | 32 | 39 | 32 | 27990 | 59890 | 7100 | 72.7 | |
| HK3512 | 35 | 40 | 12 | 12100 | 19300 | 7100 | 27.7 | |
| HK3516 | 35 | 42 | 16 | 15700 | 27500 | 7100 | 36.9 | |
| HK3520 | 35 | 42 | 20 | 20800 | 41000 | 7100 | 46.1 | |
| HK35X43X16 | 35 | 42 | 16 | 24200 | 47100 | 7100 | 37 | |
| HK35X43X25 | 35 | 42 | 25 | 24440 | 48200 | 6200 | 60.5 | |
| HK35X43X32 | 35 | 43 | 32 | 24870 | 48880 | 6200 | 80 | |
| HK35X45X12 | 35 | 45 | 12 | 24870 | 48880 | 6200 | 31 | |
| HK36X42X12 | 36 | 42 | 12 | 15000 | 21000 | 6200 | 23 | |
| HK38X48X30 | 38 | 48 | 30 | 16100 | 24100 | 6000 | 102 | |
| HK4012 | 40 | 47 | 12 | 14000 | 24300 | 6300 | 31.1 | |
| HK4016 | 40 | 47 | 16 | 20000 | 38500 | 6300 | 41.4 | |
| HK4571 | 40 | 47 | 20 | 25500 | 52000 | 6300 | 51.8 | |
| HK40X50X32 | 40 | 50 | 32 | 23000 | 42000 | 6000 | 114.3 | |
| HK40X50X38 | 40 | 50 | 38 | 24100 | 43000 | 6000 | 130.8 | |
| HK4512 | 45 | 52 | 12 | 12900 | 22500 | 5800 | 34.8 | |
| HK4516 | 45 | 52 | 16 | 19300 | 3800 | 5800 | 46.2 | |
| HK4520 | 45 | 52 | 20 | 22000 | 51000 | 5800 | 56 | |
| HK45X55X38 | 45 | 55 | 38 | 27600 | 61000 | 5300 | 135 | |
| HK5012 | 50 | 58 | 12 | 23600 | 57200 | 5300 | 44.2 | |
| HK5571 | 50 | 58 | 20 | 28000 | 60000 | 5300 | 72 | |
| HK5571 | 50 | 58 | 25 | 34500 | 80000 | 5300 | 90.1 | |
| HK50X57X16 | 50 | 57 | 16 | 15200 | 32500 | 5300 | 51.2 | |
| HK50X60X38 | 50 | 60 | 38 | 27770 | 63100 | 4600 | 140 | |
| HK5520 | 55 | 63 | 20 | 29500 | 59900 | 4600 | 78 | |
| HK5525 | 55 | 63 | 25 | 33200 | 69980 | 4600 | 109 | |
| HK5528 | 55 | 63 | 28 | 39090 | 98000 | 4600 | 111 | |
| HK6012 | 60 | 68 | 12 | 12400 | 29000 | 4100 | 49.2 | |
| HK6571 | 60 | 68 | 20 | 30500 | 72000 | 4100 | 86 | |
| HK6032 | 60 | 68 | 32 | 50000 | 131000 | 4100 | 136 | |
| BK Series | BK0408TN | 4 | 8 | 8 | 1540 | 1070 | 40000 | 1.8 |
| BK0509 | 5 | 9 | 9 | 2200 | 1790 | 36000 | 2.1 | |
| BK0608 | 6 | 10 | 8 | 1830 | 1550 | 32000 | 2.2 | |
| BK0609 | 6 | 10 | 9 | 2650 | 2400 | 3000 | 2.6 | |
| BK0709 | 7 | 11 | 9 | 2800 | 2150 | 27000 | 2.9 | |
| BK0808 | 8 | 12 | 8 | 2550 | 2400 | 21000 | 3 | |
| BK571 | 8 | 12 | 10 | 3700 | 3450 | 21000 | 3.4 | |
| BK08X14X10 | 8 | 14 | 10 | 3800 | 3950 | 25000 | 5.8 | |
| BK 0571 | 9 | 13 | 8 | 3650 | 4050 | 25000 | 3.4 | |
| BK571 | 9 | 13 | 10 | 4050 | 4250 | 25000 | 4.3 | |
| BK571 | 9 | 13 | 12 | 5000 | 6000 | 25000 | 4.9 | |
| BK1571 | 10 | 14 | 10 | 3900 | 4800 | 19000 | 4.3 | |
| BK1012 | 10 | 14 | 12 | 5000 | 6300 | 19000 | 5 | |
| BK1015 | 10 | 14 | 15 | 6700 | 7800 | 19000 | 6.2 | |
| BK10X16X10 | 10 | 16 | 10 | 6800 | 8800 | 18000 | 6.8 | |
| BK1210 | 12 | 16 | 10 | 4150 | 5800 | 19000 | 5.2 | |
| BK1212 | 12 | 16 | 12 | 3800 | 5100 | 15000 | 6.2 | |
| BK12X18X12 | 12 | 18 | 12 | 5500 | 6300 | 17000 | 10.3 | |
| BK1312 | 13 | 19 | 12 | 6200 | 7100 | 17000 | 11.2 | |
| BK1410 | 14 | 20 | 10 | 6700 | 7000 | 16000 | 12.1 | |
| BK1512 | 15 | 21 | 12 | 7000 | 8400 | 14000 | 12.7 | |
| BK1515 | 15 | 21 | 15 | 9800 | 11400 | 14000 | 15.3 | |
| BK1516 | 15 | 21 | 16 | 9800 | 11400 | 14000 | 16.5 | |
| BK1522 | 15 | 21 | 22 | 10400 | 16500 | 14000 | 22 | |
| BK1612 | 16 | 22 | 12 | 7100 | 9200 | 14000 | 13.8 | |
| BK1616 | 16 | 22 | 16 | 15710 | 14300 | 14000 | 17.6 | |
| BK1622 | 16 | 22 | 22 | 11100 | 17400 | 14000 | 23.4 | |
| BK1712 | 17 | 23 | 12 | 6900 | 9300 | 136000 | 14.5 | |
| BK1812 | 18 | 24 | 12 | 7100 | 9900 | 12000 | 14.9 | |
| BK1816 | 18 | 24 | 16 | 10600 | 15300 | 12000 | 19.9 | |
| BK2571 | 20 | 26 | 10 | 5900 | 7200 | 10000 | 14 | |
| BK2012 | 20 | 26 | 12 | 7600 | 15710 | 10000 | 16.7 | |
| BK2016 | 20 | 26 | 16 | 11700 | 29100 | 10000 | 22.3 | |
| BK2571 | 20 | 26 | 20 | 13700 | 24000 | 10000 | 27.1 | |
| BK2030 | 20 | 26 | 30 | 21800 | 40000 | 15710 | 37.4 | |
| BK2212 | 22 | 28 | 12 | 8100 | 10400 | 1571 | 18.1 | |
| BK2216 | 22 | 28 | 16 | 11400 | 18100 | 1571 | 24.3 | |
| BK2220 | 22 | 28 | 20 | 14500 | 25000 | 1571 | 29.9 | |
| BK2512 | 25 | 32 | 12 | 10000 | 14200 | 9000 | 23.2 | |
| BK2516 | 25 | 32 | 16 | 13600 | 50000 | 9000 | 31 | |
| BK2520 | 25 | 32 | 20 | 17900 | 30000 | 9000 | 38.7 | |
| BK2526 | 25 | 32 | 26 | 22500 | 42000 | 9000 | 49 | |
| BK2538 | 25 | 32 | 38 | 30000 | 58000 | 9000 | 69 | |
| BK2816 | 28 | 35 | 16 | 15400 | 22500 | 8700 | 34.1 | |
| BK2820 | 28 | 35 | 20 | 18900 | 32000 | 8700 | 43 | |
| BK3012 | 30 | 37 | 12 | 15710 | 16200 | 8100 | 27.9 | |
| BK3016 | 30 | 37 | 16 | 15200 | 27000 | 8100 | 37.1 | |
| BK3571 | 30 | 37 | 20 | 19700 | 33500 | 8100 | 46.5 | |
| BK3026 | 30 | 37 | 26 | 24000 | 50000 | 8100 | 59.4 | |
| BK3038 | 30 | 37 | 38 | 32500 | 74000 | 8100 | 82.5 | |
| BK3512 | 35 | 42 | 12 | 12100 | 19300 | 7100 | 32.9 | |
| BK3516 | 35 | 42 | 16 | 15700 | 27500 | 7100 | 43.8 | |
| BK3520 | 35 | 42 | 20 | 20800 | 41000 | 7100 | 54.8 | |
| BK4012 | 40 | 47 | 12 | 14000 | 24300 | 6300 | 38.2 | |
| BK4016 | 40 | 47 | 16 | 20000 | 38500 | 6300 | 51 | |
| BK4571 | 40 | 47 | 20 | 25500 | 52000 | 6300 | 62 | |
| BK4516 | 45 | 52 | 16 | 19300 | 38000 | 5800 | 56 | |
| BK4520 | 45 | 52 | 20 | 22000 | 51000 | 5800 | 72 | |
| BK4512 | 45 | 52 | 12 | 12900 | 22500 | 5800 | 45 | |
| BK5571 | 50 | 58 | 20 | 28000 | 60000 | 5300 | 87.3 | |
| BK5571 | 50 | 58 | 25 | 34500 | 80000 | 5300 | 109 | |
| BK5520 | 55 | 63 | 20 | 29500 | 59900 | 4600 | 93.8 | |
| BK5528 | 55 | 63 | 28 | 39090 | 98000 | 4600 | 132 | |
| BK6012 | 60 | 68 | 12 | 12400 | 29000 | 4100 | 77 | |
| BK6571 | 60 | 68 | 20 | 30500 | 72000 | 4100 | 105 | |
| BK6032 | 60 | 68 | 32 | 50000 | 131000 | 4100 | 164 | |
| BA Series | BA55 | 7.94 | 12.7 | 7.92 | 1917 | 1703 | 38400 | 3.4 |
| BHA68 | 9.52 | 15.88 | 12.77 | 6004 | 6093 | 30000 | 5 | |
| BA87 | 12.7 | 17.46 | 11.13 | 1976 | 2500 | 18000 | 6.6 | |
| BA1210 | 19.05 | 25.4 | 15.88 | 11386 | 16413 | 16000 | 16 | |
| BA1212 | 19.05 | 25.4 | 19.05 | 14144 | 21706 | 16000 | 21 | |
| BA1816 | 22.22 | 34.92 | 25.4 | 20700 | 34500 | 13000 | 29 | |
| SCE Seires | SCE1012 | 15.88 | 22.22 | 19.05 | 10800 | 13440 | 18000 | 20 |
| SCE108 | 15.88 | 22.22 | 12.7 | 8559 | 12060 | 18000 | 12 | |
| SCH1012 | 15.88 | 22.22 | 19.05 | 10800 | 13440 | 18000 | 20 | |
| SCE1212 | 19.05 | 25.4 | 19.05 | 14144 | 21706 | 16000 | 21 | |
| SCE1214PP | 19.05 | 25.4 | 22.22 | 16140 | 23800 | 16000 | 23 | |
| SCE1616PP | 25.4 | 31.75 | 25.4 | 22729 | 43505 | 11000 | 44 | |
| M Series | M-681 | 9.52 | 14.29 | 12.7 | 4581 | 5515 | 29900 | 4.3 |
| 55 Series | 55000X22 | 19.05 | 30.17 | 47.6 | 18000 | 25000 | 16000 | 36 |
| HK-RS Series | HK571-RS | 8 | 12 | 10 | 2250 | 2100 | 19000 | 2.9 |
| HK09X13X12-RS | 8 | 13 | 12 | 3800 | 4300 | 19000 | 4 | |
| HK1012-RS | 10 | 14 | 12 | 4100 | 5000 | 19000 | 4.2 | |
| HK1214-RS | 12 | 18 | 14 | 6100 | 7000 | 15000 | 10.7 | |
| HK13X19X12-RS | 13 | 19 | 12 | 6800 | 7580 | 12000 | 8.9 | |
| HK1414-RS | 14 | 20 | 14 | 6100 | 7500 | 13000 | 12 | |
| HK1514-RS | 15 | 21 | 14 | 6800 | 8800 | 11000 | 12.6 | |
| HK1518-RS | 15 | 21 | 18 | 9500 | 11400 | 10000 | 16 | |
| HK1614-RS | 16 | 22 | 14 | 7200 | 9200 | 10000 | 15.1 | |
| HK17X25X14-RS | 17 | 25 | 14 | 8000 | 9800 | 10000 | 17.7 | |
| HK17X25X15.5-RS | 17 | 25 | 15.5 | 9320 | 10400 | 13000 | 20 | |
| HK17X25X20-RS | 17 | 25 | 20 | 11600 | 13200 | 13000 | 26.2 | |
| HK1814-RS | 18 | 24 | 14 | 7800 | 9900 | 13000 | 15.1 | |
| HK2012-RS | 20 | 26 | 12 | 9500 | 11900 | 9200 | 11.7 | |
| HK2018-RS | 20 | 26 | 18 | 12700 | 25710 | 8200 | 21.4 | |
| HK20X29X18-RS | 20 | 29 | 18 | 8700 | 9980 | 7800 | 28.8 | |
| HK2212-RS | 22 | 28 | 12 | 8310 | 10000 | 9000 | 14 | |
| HK2214-RS | 22 | 28 | 14 | 9000 | 12400 | 7800 | 18.3 | |
| HK2218-RS | 22 | 28 | 18 | 10400 | 25710 | 7800 | 23.5 | |
| HK2518-RS | 25 | 32 | 18 | 13600 | 20000 | 6900 | 31 | |
| HK3018-RS | 30 | 37 | 18 | 16200 | 26000 | 5300 | 36.6 | |
| HK3518-RS | 35 | 42 | 18 | 16700 | 30500 | 4900 | 37.4 | |
| HK4018-RS | 40 | 47 | 18 | 19000 | 30500 | 4200 | 47.3 | |
| HK4518-RS | 45 | 52 | 18 | 20300 | 41000 | 3800 | 54.2 | |
| HK5571-RS | 50 | 58 | 24 | 30000 | 61000 | 3200 | 77.2 | |
| HK-2RS Series | HK571-2RS | 8 | 12 | 12 | 2250 | 2100 | 19000 | 3.5 |
| HK1014-2RS | 10 | 14 | 14 | 4100 | 5000 | 15000 | 5.2 | |
| HK1216-2RS | 12 | 18 | 16 | 6100 | 7000 | 12000 | 11.5 | |
| HK1416-2RS | 14 | 20 | 16 | 6100 | 7500 | 11000 | 14 | |
| HK1516-2RS | 15 | 21 | 16 | 6800 | 8800 | 10000 | 14.3 | |
| HK1520-2RS | 15 | 21 | 20 | 9500 | 11400 | 10000 | 18 | |
| HK1616-2RS | 16 | 22 | 16 | 7200 | 9200 | 10000 | 15.1 | |
| HK1620-2RS | 16 | 22 | 20 | 9900 | 12300 | 10000 | 16.8 | |
| HK1625-2RS | 16 | 22 | 25 | 9900 | 12300 | 10000 | 17 | |
| HK1816-2RS | 18 | 24 | 16 | 7800 | 9900 | 9200 | 17 | |
| HK2016-2RS | 20 | 26 | 16 | 8000 | 15710 | 9000 | 18.8 | |
| HK2571-2RS | 20 | 26 | 20 | 12700 | 25710 | 7800 | 23.5 | |
| HK2216-2RS | 22 | 28 | 16 | 9000 | 12400 | 7800 | 20.3 | |
| HK2220-2RS | 22 | 28 | 20 | 10400 | 25710 | 7800 | 25.5 | |
| HK2516-2RS | 25 | 32 | 16 | 9800 | 13200 | 6900 | 27.3 | |
| HK2520-2RS | 25 | 32 | 20 | 13600 | 20000 | 6900 | 33.1 | |
| HK2524-2RS | 25 | 32 | 24 | 17900 | 30000 | 6900 | 39.7 | |
| HK2530-2RS | 25 | 32 | 30 | 24500 | 43000 | 6900 | 47.3 | |
| HK2820-2RS | 28 | 35 | 20 | 11400 | 22500 | 5300 | 36.9 | |
| HK3016-2RS | 30 | 37 | 16 | 15710 | 16200 | 5300 | 28.5 | |
| HK3571-2RS | 30 | 37 | 20 | 16200 | 26000 | 5300 | 39.1 | |
| HK3571-2RS | 30 | 37 | 24 | 21000 | 38500 | 5300 | 49.7 | |
| HK3516-2RS | 35 | 42 | 16 | 15710 | 20300 | 4900 | 36.4 | |
| HK3520-2RS | 35 | 42 | 20 | 16700 | 30500 | 4900 | 41.1 | |
| HK4016-2RS | 40 | 47 | 16 | 11000 | 21300 | 4200 | 41.2 | |
| HK4571-2RS | 40 | 47 | 20 | 19000 | 30500 | 4200 | 50.2 | |
| HK4520-2RS | 45 | 52 | 20 | 20300 | 41000 | 3800 | 57.4 | |
| HK5571-2RS | 50 | 58 | 24 | 30000 | 61000 | 3200 | 84 | |
| HK-RS Series | BK1414-RS | 14 | 20 | 14 | 6100 | 7500 | 11000 | 14.1 |
| BK1514-RS | 15 | 21 | 14 | 6800 | 8800 | 10000 | 14.4 | |
| BK1614-RS | 16 | 22 | 14 | 7200 | 9200 | 10000 | 15.3 | |
| BK2018-RS | 20 | 26 | 18 | 12700 | 25710 | 7800 | 24.4 | |
| BK2518-RS | 25 | 32 | 18 | 13600 | 20000 | 6900 | 35.3 | |
Needle bearings are a small cylindrical type of roller bearings which are used to prevent friction between moving surfaces which have low rotational speeds. Needle roller bearings are usually used when space is at a premium as needle bearings are much more compact than ball bearings.This type of bearing is known for its smaller, rigid and more durable design, offering a smaller coefficient of friction, allowing them to transfer motion on rotating surfaces easily.
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Needle rollers are the load-carrying component of the bearing, and are the 1 common component of all needle roller bearing types. These allow the outer and inner rings to rotate almost friction-free. They are most frequently manufactured from a steel alloy.
Raceways (if present) serve to CZPT the rollers within the bearing. These items are commonly manufactured from carbon chromium steel or other alloys to improve hardness, fatigue resistance, and dimensional stability.
Bearing cages separate rollers to keep the load evenly distributed around the bearing. They also reduce bearing noise, improve rolling conditions, and prevent sliding. Additionally, they contain rollers within a single assembly. Steel is the most commonly used cage material in needle roller bearings. Plastic cages can be used where operating conditions permit. Lubrication and surface treatments can reduce the amount of heat generated from friction. Some drawn cup needle roller bearings are designed without a cage, and contain a full complement of needle rollers.
Needle Roller Bearings Applications
Needle roller bearings are used in a variety of applications, such as radial piston pumps, autmotive steering and braking systems, power tools, transmissions, engines, valve trains, copiers, fax machines, outboard engines, and lawn trimmers.
Packaging & Shipping
Please contact us for more pictures of different packing.
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Universal Packing |
Without any logo on bearings or packing. |
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JDZ Packing |
With our brand JDZ on bearings and packing. |
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Customized Packing |
Depends on buyer’s requirements. |
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Original Brand Packing |
Bearing and packing are both original. Please contact us for pictures. |
QUALITY ASSURANCE
100% Quality inspection to ensure the bearings are with good quality before shipping.
Company Profile
ZheJiang CZPT Precision Bearing Co.,Ltd. was founded by ZheJiang Defa Bearing Co.,Ltd, factory is located in ZheJiang province, China.
We are a bearing manufacturer integrating the research, development and sales of bearings, with a floor area of 18,000 square meters and a plant area of 8,800 square meters. Equipped with modern production equipment and advanced detection instruments.
We can provide all types bearings and OEM service according to customers’ requirements.
Our products are widely used in the automobile, agricultural, textile production, mining, printing and packing industries, in addition to various applications at airports, in air-conditioning systems, conveying devices, ships ad so on. Our products are being exported to more than 50 countries and regions overseas including Singapore, Thailand, Iran, Turkey, Poland, Italy, England, France, Russia, Germany, the United States, Australia, Argentina, Brazil as well as other countries and regions all over the world.
We are a trusted and reliable bearing supplier, choose us to be your good partner!
Quality Inspection
Our Advantages:
1. Professional production team with advanced production equipment and testing instruments.
2. Many years of export experience can provide customers with better service and problem-solving capabilities.
3. Customers all over the world enable us to better understand the market and provide customers with suitable bearings.
4. Sincerity, cooperation, mutual and provide good quality bearings for clients are the development idea of our company
5. Quick delivery, shipping goods on time. Save more time and cost for all customers.
More choices
FAQ
1. Q: Are you trading company or manufacturer ?
A: We have our own factory , our type is factory + trade.
2. Q: Could you accept OEM and customize?
A: Yes, we can customize products according to your sample or drawing.
3. Q: How long is your delivery time?
A: If stock, within 7 days to ship or based on your order quantity.
4. Q: Could you supply sample for free?
A: Yes, we can offer the sample for free,do you mind to buy a “ticket” for her?
More details, please contact with us. Thanks for your time !!!
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| Cage: | With Cage |
|---|---|
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Style: | Without Outer Ring, With Outer Ring, Without Inner Ring, With Inner Ring |
| Material: | Bearing Steel |
| Type: | Open |
| Samples: |
US$ 0.1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Can you provide examples of industries and applications where track bearings are frequently used?
Track bearings find extensive use in various industries and applications where smooth and controlled motion along tracks or guide rails is required. Let’s explore some examples of industries and applications where track bearings are frequently used:
- Material Handling and Conveying: Track bearings are widely employed in material handling and conveying systems, such as conveyor belts, roller conveyors, and overhead cranes. They facilitate the smooth movement of goods, packages, and components along the tracks, ensuring efficient and reliable transportation within warehouses, distribution centers, manufacturing facilities, and airports.
- Automotive and Transportation: Track bearings are utilized in various automotive applications, including suspension systems, steering systems, and sliding doors. They enable smooth and precise movement of components, contributing to vehicle performance, comfort, and safety. Additionally, track bearings are used in railway applications, such as railcar doors, sliding mechanisms, and track guidance systems.
- Aerospace and Defense: Track bearings play a crucial role in aerospace and defense applications, including aircraft landing gears, flap systems, and missile launchers. They provide the necessary support, guidance, and load-carrying capacity for critical components, ensuring smooth and controlled motion in demanding operating conditions.
- Industrial Machinery: Track bearings are commonly found in various industrial machinery and equipment. They are used in machine tools, robotics, printing presses, industrial ovens, and packaging machines, among others. In these applications, track bearings contribute to precise motion control, accurate positioning, and reliable performance of moving components.
- Construction and Mining: Track bearings are extensively employed in construction and mining equipment, such as excavators, bulldozers, cranes, and drilling machines. They provide support and guidance for the movable parts, allowing efficient and controlled movement in rugged and demanding environments.
- Medical and Healthcare: Track bearings are utilized in various medical and healthcare applications. They are used in hospital beds, medical imaging equipment, laboratory automation systems, and patient handling devices. Track bearings enable smooth and quiet operation, precise positioning, and patient comfort in these critical healthcare settings.
- Renewable Energy: Track bearings are employed in renewable energy systems, including solar tracking systems and wind turbine pitch and yaw mechanisms. They enable the precise tracking of solar panels and the controlled adjustment of wind turbine blades, maximizing energy capture and optimizing system performance.
These examples represent just a fraction of the many industries and applications where track bearings are frequently used. The versatility, reliability, and precise motion control provided by track bearings make them a fundamental component in numerous mechanical systems across various sectors.

Can track bearings withstand harsh environments or exposure to contaminants?
Track bearings are designed to operate in a wide range of environments, including harsh conditions and exposure to contaminants. However, the ability of track bearings to withstand such environments depends on their specific design, materials, and protective measures. Here’s a detailed explanation:
Many track bearings are engineered with features that enhance their resistance to harsh environments and contaminants. These features may include:
- Sealing and Shielding: Some track bearings are equipped with seals or shields that provide a physical barrier against contaminants such as dirt, dust, water, and debris. These seals or shields help prevent the entry of contaminants into the bearing’s internal components, reducing the risk of damage and premature wear.
- Corrosion Resistance: Track bearings intended for use in corrosive environments are often constructed from materials that offer high corrosion resistance. Stainless steel, for example, is commonly used due to its ability to withstand exposure to moisture, chemicals, and other corrosive substances.
- Specialized Coatings: Some track bearings may feature specialized coatings or surface treatments that provide additional protection against contaminants and harsh conditions. These coatings can enhance the bearing’s resistance to corrosion, abrasion, and chemical exposure.
- High-Temperature Capability: Certain track bearings are designed to withstand high-temperature environments. They are typically constructed using heat-resistant materials and lubricants that can maintain their structural integrity and performance even under extreme heat.
- Environmental Sealing: In applications where track bearings are exposed to extreme conditions, such as underwater or in highly dusty environments, special environmental sealing measures may be employed. These measures can include the use of advanced sealing technologies or the encapsulation of the bearings within protective housings.
While track bearings are designed to withstand harsh environments and exposure to contaminants, it is important to note that their performance and longevity can still be affected over time. Regular maintenance, including cleaning, inspection, and lubrication, is crucial to ensure proper functioning and to mitigate the impact of contaminants on the bearings.
It is recommended to consult the manufacturer’s specifications and guidelines for the track bearings being used in a specific application. Manufacturers often provide information on the environmental ratings and limits of their bearings, helping users determine the suitability of the bearings for particular harsh environments or exposure to contaminants.
By selecting track bearings with appropriate features, materials, and protection, and by implementing proper maintenance practices, it is possible to enhance the bearings’ ability to withstand harsh environments and exposure to contaminants, thereby maximizing their performance and longevity.

How do track bearings contribute to smooth and precise motion in machinery and equipment?
Track bearings play a crucial role in enabling smooth and precise motion in machinery and equipment. They provide support and guidance for moving components, allowing them to move along tracks or guide rails with minimal friction and accurate positioning. Let’s explore how track bearings contribute to smooth and precise motion:
- Reduced Friction: Track bearings are designed to minimize friction between the rolling elements (such as balls or rollers) and the raceways (inner and outer rings). By reducing friction, track bearings help to minimize energy losses, prevent excessive heat generation, and extend the lifespan of the bearing and other components in the system. Low friction enables smoother and more efficient motion, resulting in improved overall performance.
- Accuracy and Precision: Track bearings are manufactured to precise tolerances, ensuring consistent dimensions and smooth surfaces. This precision contributes to accurate and repeatable positioning of the moving components along the track or guide rail. It allows machinery and equipment to achieve the desired motion with minimal deviation or backlash, enabling precise control and operation.
- Load Distribution: Track bearings are designed to distribute loads evenly across the rolling elements and raceways. This load distribution helps prevent localized stress concentrations and ensures that the applied loads are shared by multiple contact points. By distributing the loads effectively, track bearings enhance the stability and integrity of the moving components, reducing the risk of premature wear or failure.
- Guidance and Alignment: Track bearings provide guidance and alignment for the moving components. They help maintain the desired orientation and position of the components along the track or guide rail, preventing misalignment and unwanted movements. This guidance ensures smooth and precise motion, minimizing vibrations, noise, and the risk of component damage or malfunction.
- Shock and Impact Absorption: Track bearings are designed to absorb shocks and impacts that may occur during operation. They help cushion the effects of sudden loads or vibrations, protecting the moving components and reducing the transmission of these forces to the rest of the machinery or equipment. This shock absorption capability contributes to smoother and more stable motion, enhancing overall performance and reliability.
By incorporating high-quality track bearings into machinery and equipment, engineers can achieve smooth and precise motion, improving the efficiency, accuracy, and longevity of the system. Proper selection, installation, and maintenance of track bearings are essential to ensure optimal performance and to minimize the risk of issues such as excessive wear, misalignment, or loss of motion control.


editor by CX 2024-05-14