China OEM Yoke Type Track Roller Bearing Supporting Roller Bearing Cam Follower wheel bearing

Engineering & procurement guidance

Product Description

Basic Features of Track Roller Bearing
Types	Stud type track roller bearing Yoke type track roller bearing
Series	RSTO… and STO… RNA22…2RS and NA22…RS NATR… and NATV… NUTR… KR… and KRE… KRV… and KRVE… NUKR… and NUKRE… NAST…ZZ PWTR…2RS KR52…NUUP PWKR…2RS
Material	Bearing Steel(GCr15, 100Cr6) SPCC St14
Dimension	Metric and Inch
Dimension Range	15mm~200mm(bore diameter)
MOQ	1
Delivery Time	15-45 days
Sea Ports	ZheJiang HangZhou HangZhou

Why Choose HECTO?
1. More than 20 years of manufacturing and exporting experiences
2. an IATF16949 company
3. 100% inspecting of products
4. More competitive prices with better quality
5. More than 99% of delivery in time
6. Rapid response of your emails and questions
7. Products can be traced back

RSTO… and STO… series

Bearing No. (without inner ring)	Weight (g)	Bearing No. (with inner ring)	Weight (g)	Dimensions(mm)							Basic Load Rating(KN)		Limiting Speed (RPM)
Bearing No. (without inner ring)	Weight (g)	Bearing No. (with inner ring)	Weight (g)	d	D	C	B	Fw	E	r	Cr	Cor	Limiting Speed (RPM)
RSTO 5TN	8.5	–	–	–	16	7.8	–	7	10	0.3	2.55	2.55	16000
RSTO 6TN	12.5	STO 6TN	17	6	19	9.8	10	10	13	0.3	3.75	4.5	10000
RSTO 8TN	21	STO 8TN	26	8	24	9.8	10	12	15	0.3	4.2	5.5	8000
RSTO 10	42	STO 10	49	10	30	11.8	12	14	20	0.3	8.4	9.2	5500
RSTO 12	49	STO 12	57	12	32	11.8	12	16	22	0.3	8.9	10.1	4500
RSTO 15	50	STO 15	63	15	35	11.8	12	20	26	0.3	9.1	10.7	3300
RSTO 17	88	STO 17	107	17	40	15.8	16	22	29	0.3	14.3	17.7	2800
RSTO 20	130	STO 20	152	20	47	15.8	16	25	32	0.3	16.2	21.5	2400
RSTO 25	150	STO 25	177	25	52	15.8	16	30	37	0.3	16.5	22.9	1800
RSTO 30	255	STO 30	308	30	62	19.8	20	38	46	0.6	23.3	35	1300
RSTO 35	375	STO 35	441	35	72	19.8	20	42	50	0.6	25.5	40	1100
RSTO 40	420	STO 40	530	40	80	19.8	20	50	58	1	35	59.3	850
RSTO 45	453	STO 45	576	45	85	19.8	20	55	63	1	25.5	43	750
RSTO 50	481	STO 50	617	50	90	19.8	20	60	68	1	43.6	83.4	650

RNA22…2RS and NA22…2RS series

Bearing No. (without inner ring)	Weight (g)	Bearing No. (with inner ring)	Weight (g)	Dimensions(mm)								Basic Load Rating(KN)		Limiting Speed (RPM)
Bearing No. (without inner ring)	Weight (g)	Bearing No. (with inner ring)	Weight (g)	d	D	C	B	Fw	D1	r	r1	Cr	Cor	Limiting Speed (RPM)
RNA22/6.2RS	–	NA22/6.2RS	–	6	19	11.8	12	10	16	0.3	0.3	4.8	4.6	—
RNA2200.2RS	52	NA2200.2RS	60	10	30	13.8	14	14	20	0.6	0.3	8	8.5	5500
RNA2201.2RS	57	NA2201.2RS	67	12	32	13.8	14	16	22	0.6	0.3	7.5	9	4700
RNA2202.2RS	60	NA2202.2RS	75	15	35	13.8	14	20	26	0.6	0.3	8.2	9.6	3400
RNA2203.2RS	94	NA2203.2RS	112	17	40	15.8	16	22	28	1	0.3	9.7	10.8	3000
RNA2204.2RS	152	NA2204.2RS	177	20	47	17.8	18	25	33	1	0.3	15.2	18.3	2300
RNA2205.2RS	179	NA2205.2RS	209	25	52	17.8	18	30	38	1	0.3	15.7	20	1800
RNA2206.2RS	284	NA2206.2RS	324	30	62	19.8	20	35	43	1	0.6	18.4	25.5	1400
RNA2207.2RS	432	NA2207.2RS	505	35	72	22.7	23	42	50	1.1	0.6	31.8	45.7	1100
RNA2208.2RS	530	NA2208.2RS	628	40	80	22.7	23	48	57	1.1	0.6	27.5	40.5	850
RNA2209.2RS	545	NA2209.2RS	655	45	85	22.7	23	52	62	1.1	0.6	28.5	43	800
RNA2210.2RS	563	NA2210.2RS	690	50	90	22.7	23	58	68	1.1	0.6	43.2	70	650

NATR… and NATV… series

Bearing No.	Weight (g)	Bearing No.	Weight (g)	Dimensions(mm)						Basic Load Rating(KN)		Limiting Speed (RPM)
Bearing No.	Weight (g)	Bearing No.	Weight (g)	d	D	B	C	d1	r	Cr	Cor	Limiting Speed (RPM)
NATR 5	14	NATR 5PP	14	5	16	12	11	12	0.15	2.8	2.5	14000
NATV 5	15	NATV 5PP	15	5	16	12	11	12	0.15	7	8.6	3800
NATR 6	20	NATR 6PP	20	6	19	12	11	14	0.15	3.2	3.3	11000
NATV 6	21	NATV 6PP	21	6	19	12	11	14	0.15	7.9	10.7	3100
NATR 8	41	NATR 8PP	41	8	24	15	14	19	0.3	4.8	4.8	7500
NATV 8	42	NATV 8PP	42	8	24	15	14	19	0.3	10.2	12.9	2500
NATR 10	64	NATR 10PP	64	10	30	15	14	23	0.6	6.9	7	5500
NATV 10	65	NATV 10PP	65	10	30	15	14	23	0.6	12.5	15.3	2100
NATR 12	71	NATR 12PP	71	12	32	15	14	25	0.6	6.9	7.1	4500
NATV 12	72	NATV 12PP	72	12	32	15	14	25	0.6	13.3	17	1800
NATR 15	103	NATR 15PP	103	15	35	19	18	27	0.6	10.3	14.8	3600
NATV 15	105	NATV 15PP	105	15	35	19	18	27	0.6	19.6	34.7	1600
NATR 17	144	NATR 17PP	144	17	40	21	20	32	1	18.2	21.9	2900
NATV 17	152	NATV 17PP	152	17	40	21	20	32	1	31.5	45.3	1400
NATR 20	246	NATR 20PP	246	20	47	25	24	37	1	22.4	29.9	2400
NATV 20	254	NATV 20PP	254	20	47	25	24	37	1	37.7	59.1	1300
NATR 25	275	NATR 25PP	275	25	52	25	24	42	1	24	34.2	1800
NATV 25	285	NATV 25PP	285	25	52	25	24	42	1	43	73.6	1000
NATR 30	470	NATR 30PP	470	30	62	29	28	51	1	32.9	50.3	1300
NATV 30	481	NATV 30PP	481	30	62	29	28	51	1	57.1	104	850
NATR 35	635	NATR 35PP	635	35	72	29	28	58	1.1	34.4	55.8	1000
NATV 35	647	NATV 35PP	647	35	72	29	28	58	1.1	59.3	114.5	750
NATR 40	805	NATR 40PP	805	40	80	32	30	66	1.1	38.5	66.6	850
NATV 40	890	NATV 40PP	890	40	80	32	30	66	1.1	70.8	149.1	650
NATR 45	910	NATR 45PP	910	45	85	32	30	72	1.1	42.6	77.8	750
NATV 45	935	NATV 45PP	935	45	85	32	30	72	1.1	74.5	164.4	–
NATR 50	960	NATR 50PP	960	50	90	32	30	76	1.1	44.3	85.1	650
NATV 50	990	NATV 50PP	990	50	90	32	30	76	1.1	78	179.8	550

NUTR… series

Bearing No.	Weight (g)	Dimensions(mm)							Basic Load Rating(KN)				Limiting Speed (RPM)
Bearing No.	Weight (g)	d	D	B	C	d1	r	rs1	Cr	Cor	Fr perm	For perm	Limiting Speed (RPM)
NUTR 15	99	15	35	19	18	20	0.6	0.3	22.7	26.2	8.6	16.8	6500
NUTR 1542	158	15	42	19	18	20	0.6	0.3	22.7	26.2	21.9	21.9	6500
NUTR 17	147	17	40	21	21	22	1	0.5	27.7	32.4	13.1	22.6	5500
NUTR 1747	220	17	47	21	21	22	1	0.5	27.7	32.4	28	28	5500
NUTR 20	245	20	47	25	24	27	1	0.5	39.7	44	16.4	33	4200
NUTR 2052	321	20	52	25	24	27	1	0.5	39.7	44	38.5	41	4200
NUTR 25	281	25	52	25	24	31	1	0.5	44.7	57.2	17.3	34.5	3400
NUTR 2562	450	25	62	25	24	31	1	0.5	44.7	57.2	50	50	3400
NUTR 30	465	30	62	29	28	38	1	0.5	63.7	89.7	23.5	46.5	2600
NUTR 3072	697	30	72	29	28	38	1	0.5	63.7	89.7	64	64	2600
NUTR 35	630	35	72	29	28	44	1.1	0.6	75.1	104.6	32	60	2100
NUTR 3580	838	35	80	29	28	44	1.1	0.6	75.1	104.6	72	72	2100
NUTR 40	816	40	80	32	30	51	1.1	0.6	90.4	131.1	30.5	60	1600
NUTR 4090	1129	40	90	32	30	51	1.1	0.6	90.4	131.1	84	95	1600
NUTR 45	883	45	85	32	30	55	1.1	0.6	95.5	144.4	31.5	61	1400
NUTR 45100	1396	45	100	32	30	55	1.1	0.6	95.5	144.4	106	107	1400
NUTR 50	950	50	90	32	30	60	1.1	0.6	97.2	161.4	32	62	1300
NUTR 50110	1690	50	110	32	30	60	1.1	0.6	97.2	161.4	120	120	1300

KR… and KRE… series
KRV… and KRVE… series

Bearing No.	Weight (g)	Bearing No.	Weight (g)	Dimensions(mm)													Basic Load Rating(KN)		Limiting Speed	Eccentric Collar			Tightening Torque with Nut
Bearing No.	Weight (g)	Bearing No.	Weight (g)	D	d	C	r	B	B1	B2	G	G1	M	M1	C1	d2	Cr	Cor	(RPM)	d1	B3	e	Nm
KR 16	18	KRE 16	20	16	6	11	0.15	28	16	–	M6×1	8	4	–	0.6	12	2.81	2.58	14000	9	7	0.5	3
KRV 16	20	KRVE 16	22	16	6	11	0.15	28	16	–	M6×1	8	4	–	0.6	12	7.02	8.69	3800	9	7	0.5	3
KR 19	28	KRE 19	31	19	8	11	0.15	32	20	–	M8×1.25	10	4	–	0.6	14	3.26	3.33	11000	11	9	0.5	8
KRV 19	32	KRVE 19	35	19	8	11	0.15	32	20	–	M8×1.25	10	4	–	0.6	14	7.94	10.75	3100	11	9	0.5	8
KR 22	44	KRE 22	48	22	10	12	0.3	36	23	–	M10×1	12	4	–	0.6	17	4.33	5.12	8000	13	10	0.5	15
KRV 22	45	KRVE 22	49	22	10	12	0.3	36	23	–	M10×1	12	4	–	0.6	17	8.94	13.3	2600	13	10	0.5	15
KR 26	58	KRE 26	62	26	10	12	0.3	36	23	–	M10×1	12	4	–	0.6	17	4.33	5.12	8000	13	10	0.5	15
KRV 26	61	KRVE 26	65	26	10	12	0.3	36	23	–	M10×1	12	4	–	0.6	17	8.94	13.3	2600	13	10	0.5	15
KR 30	87	KRE 30	93	30	12	14	0.6	40	25	6	M12×1.5	13	6	3	0.6	23	6.97	7.06	5500	15	11	0.5	22
KRV 30	89	KRVE 30	95	30	12	14	0.6	40	25	6	M12×1.5	13	6	3	0.6	23	12.6	15.3	2100	15	11	0.5	22
KR 32	98	KRE 32	104	32	12	14	0.6	40	25	6	M12×1.5	13	6	3	0.6	23	6.97	7.06	5500	15	11	0.5	22
KRV 32	100	KRVE 32	106	32	12	14	0.6	40	25	6	M12×1.5	13	6	3	0.6	23	12.6	15.3	2100	15	11	0.5	22
KR 35	169	KRE 35	182	35	16	18	0.6	52	32.5	8	M16×1.5	17	6	3	0.8	27	10.3	14.8	3600	20	14	1	58
KRV 35	171	KRVE 35	184	35	16	18	0.6	52	32.5	8	M16×1.5	17	6	3	0.8	27	19.7	34.8	1600	20	14	1	58
KR 40	247	KRE 40	263	40	18	20	1	58	36.5	8	M18×1.5	19	6	3	0.8	32	18.2	22	2900	22	16	1	87
KRV 40	249	KRVE 40	265	40	18	20	1	58	36.5	8	M18×1.5	19	6	3	0.8	32	31.5	45.3	1400	22	16	1	87
KR 47	386	KRE 47	406	47	20	24	1	66	40.5	9	M20×1.5	21	8	4	0.8	37	22.2	29.9	2400	24	18	1	120
KRV 47	409	KRVE 47	423	47	20	24	1	66	40.5	9	M20×1.5	21	8	4	0.8	37	37.3	59.2	1400	24	18	1	120
KR 52	461	KRE 52	481	52	20	24	1	66	40.5	9	M20×1.5	21	8	4	0.8	37	22.2	29.9	2400	24	18	1	120
KRV 52	484	KRVE 52	504	52	20	24	1	66	40.5	9	M20×1.5	21	8	4	0.8	37	37.3	59.2	1300	24	18	1	120
KR 62	790	KRE 62	818	62	24	29	1	80	49.5	11	M24×1.5	25	8	4	0.8	44	32.8	47.3	1900	28	22	1	220
KRV 62	802	KRVE 62	830	62	24	29	1	80	49.5	11	M24×1.5	25	8	4	0.8	44	53.8	91	1100	28	22	1	220
KR 72	1040	KRE 72	–	72	24	29	1.1	80	49.5	11	M24×1.5	25	8	4	0.8	44	32.8	47.3	1900	28	22	1	220
KRV 72	1045	KRVE 72	–	72	24	29	1.1	80	49.5	11	M24×1.5	25	8	4	0.8	44	53.8	91	1100	28	22	1	220
KR 80	1550	KRE 80	–	80	30	35	1.1	100	63	15	M30×1.5	32	8	4	1	53	48.2	83.9	1300	35	29	1.5	450
KRV 80	1561	KRVE 80	–	80	30	35	1.1	100	63	15	M30×1.5	32	8	4	1	53	74.9	150.3	850	35	29	1.5	450
KR 85	–	KRE 85	–	85	30	35	1.1	100	63	15	M30×1.5	32	8	4	1	53	48.2	83.9	1300	35	29	1.5	450
KRV 85	–	KRVE 85	–	85	30	35	1.1	100	63	15	M30×1.5	32	8	4	1	53	74.9	150.3	850	35	29	1.5	450
KR 90	1950	KRE 90	–	90	30	35	1.1	100	63	15	M30×1.5	32	8	4	1	53	48.2	83.9	1300	35	29	1.5	450
KRV 90	1970	KREV 90	–	90	30	35	1.1	100	63	15	M30×1.5	32	8	4	1	53	74.9	150.3	850	35	29	1.5	450

NUKR… and NUKRE… series

Bearing No.	Weight (g)	Bearing No.	Weight (g)	Dimensions(mm)													Basic Load Rating(KN)				Limiting Speed	Eccentric Collar			Tightening Torque with Nut
Bearing No.	Weight (g)	Bearing No.	Weight (g)	D	d	C	r	B	B1	B2	G	G1	M1	C1	d2	A/F	Cr	Cor	Fr perm	For perm	(RPM)	d1	B3	e	Nm
NUKR 35	164	–	–	35	16	18	0.6	52	32.5	7.8	M16×1.5	17	3	0.8	20	8	22.7	26.2	8.6	16.8	6500	20	12	1	58
–	–	NUKRE 35	177	35	16	18	0.6	52	29.5	7.8	M16×1.5	17	3	3.8	27	8	22.7	26.2	8.6	16.8	6500	20	12	1	58
NUKR 40	242	–	–	40	18	20	1	58	36.5	8	M18×1.5	19	3	0.8	22	8	27.7	32.4	13.1	22.6	5500	22	14	1	87
–	–	NUKRE 40	258	40	18	20	1	58	33.5	8	M18×1.5	19	3	3.8	30	8	27.7	32.4	13.1	22.6	5500	22	14	1	87
NUKR 47	380	NUKRE 47	400	47	20	24	1	66	40.5	9	M20×1.5	21	4	0.8	27	10	39.7	44	16.4	33	4200	24	18	1	120
NUKR 52	450	NUKRE 52	470	52	20	24	1	66	40.5	9	M20×1.5	21	4	0.8	31	10	44.7	55.2	17.3	34.5	3400	24	18	1	120
NUKR 62	795	NUKRE 62	824	62	24	28	1	80	49.5	11	M24×1.5	25	4	1.3	38	14	63.7	89.7	23.5	46.5	2600	28	22	1	220
NUKR 72	1571	NUKRE 72	1050	72	24	28	1.1	80	49.5	11	M24×1.5	25	4	1.3	44	14	74.1	104.6	32	60	2100	28	22	1	220
NUKR 80	1600	NUKRE 80	1670	80	30	35	1.1	100	63	15	M30×1.5	32	4	1	47	14	107	141.4	47.5	96	1800	35	29	1.5	450
NUKR 85	1790	NUKRE 85	1860	85	30	35	1.1	100	63	15	M30×1.5	32	4	1	47	14	107	141.4	–	–	1800	35	29	1.5	450
NUKR 90	1960	NUKRE 90	2571	90	30	35	1.1	100	63	15	M30×1.5	32	4	1	47	14	107	141.4	77	117	1800	35	29	1.5	450

NAST…ZZ series

Bearing No.	Weight (g)	Dimensions(mm)								Basic Load Rating(KN)		Limiting Speed
Bearing No.	Weight (g)	d	D	B	C	d1	a	e	r	Cr	Cor	(RPM)
NAST 6ZZ	24.5	6	19	14	13.8	14	2.5	0.8	0.5	4.1	4.5	17000
NAST 8ZZ	39	8	24	14	13.8	17.5	2.5	0.8	1	5.7	5.9	14000
NAST 10ZZ	65	10	30	16	15.8	23.5	2.5	0.8	1.5	9.48	9.32	12000
NAST 12ZZ	75	12	32	16	15.8	25.5	2.5	0.8	1.5	10	10.4	11000
NAST 15ZZ	83	15	35	16	15.8	29	2.5	0.8	1.5	11.7	13.4	8500
NAST 17ZZ	136	17	40	20	19.8	32.5	3	1	1.5	19.2	23.5	7500
NAST 20ZZ	195	20	47	20	19.8	38	3	1	1.5	20.8	27	7000
NAST 25ZZ	226	25	52	20	19.8	43	3	1	1.5	23	32.5	5500
NAST 30ZZ	402	30	62	25	24.8	50.5	4	1.2	1.5	35.3	55.3	4500
NAST 35ZZ	550	35	72	25	24.8	53.5	4	1.2	1.5	36	58.3	4000
NAST 40ZZ	710	40	80	26	25.8	61.5	4	1.2	2	37.3	64.3	3500
NAST 45ZZ	760	45	85	26	25.8	66.5	4	1.2	2	37.3	66.3	3000
NAST 50ZZ	830	50	90	26	25.8	76	4	1.2	2	38.9	71.6	3000

PWTR…2RS series

Bearing No.	Weight (g)	Dimensions(mm)							Basic Load Rating(KN)				Limiting Speed
Bearing No.	Weight (g)	d	D	B	C	d1	r	r1	Cr	Cor	Fr perm	For perm	(RPM)
PWTR 15.2RS	99	15	35	19	18	20	0.6	0.3	17.2	18.3	9.4	11.3	6000
PWTR 1542.2RS	158	15	42	19	18	20	0.6	0.3	17.2	18.3	14.1	14.1	6000
PWTR 17.2RS	147	17	40	21	21	22	1	0.5	19.4	20.8	13.8	13.8	5000
PWTR 1747.2RS	220	17	47	21	21	22	1	0.5	19.4	20.8	16.4	16.4	5000
PWTR 20.2RS	245	20	47	25	24	27	1	0.5	30.6	33.6	18.3	25.5	3800
PWTR 2052.2RS	321	20	52	25	24	27	1	0.5	30.6	33.6	29.5	29.5	3800
PWTR 25.2RS	281	25	52	25	24	31	1	0.5	34.4	40.8	19.3	28	3800
PWTR 2562.2RS	450	25	62	25	24	31	1	0.5	34.4	40.8	36	36	3800
PWTR 30.2RS	465	30	62	29	28	38	1	0.5	52.4	69.8	25.5	39.5	2200
PWTR 3072.2RS	697	30	72	29	28	38	1	0.5	52.4	69.8	49	49	2200
PWTR 35.2RS	630	35	72	29	28	44	1.1	0.6	61.8	81.4	34.5	46.5	1800
PWTR 3580.2RS	838	35	80	29	28	44	1.1	0.6	61.8	81.4	55	55	1800
PWTR 40.2RS	816	40	80	32	30	51	1.1	0.6	76	104.9	35	53	1500
PWTR 4090.2RS	1129	40	90	32	30	51	1.1	0.6	76	104.9	66	66	1500
PWTR 45.2RS	883	45	85	32	30	55	1.1	0.6	80.3	115.5	36	55	1300
PWTR 45100.2RS	1396	45	100	32	30	55	1.1	0.6	80.3	115.5	74	74	1300
PWTR 50.2RS	950	50	90	32	30	60	1.1	0.6	81.7	129	37	57	1100
PWTR 50110.2RS	1690	50	110	32	30	60	1.1	0.6	81.7	129	82	82	1100

KR52…NUUP series

Bearing No.	Weight (g)	Dimensions(mm)												Basic Load Rating(KN)		Limiting Speed
Bearing No.	Weight (g)	D	d	B	B1	B2	C	C1	d1	r	G	G1	A/F	Cr	Cor	(RPM)
KR 5201 NUUP	120	35	12	49.2	17	32.5	15.9	0.8	17.1	0.6	M12×1.5	17	6	8.6	5.1	6000
KR 5202 NUUP	190	40	16	53.2	17	36.5	15.9	0.8	20	0.6	M16×1.5	19	8	9.8	6.2	6000
KR 5203 NUUP	290	47	18	58.8	18.5	40.5	17.5	0.8	22.9	0.6	M18×1.5	21	8	12.6	8.2	3800
KR 5204 NUUP	380	52	20	63.6	22.5	41.5	20.6	1.5	26.8	1	M20×1.5	21	10	15.8	10.5	3800
KR 5205 NUUP	580	62	24	70.9	21.5	49.5	20.6	0.8	30.3	1	M24×1.5	25	10	18.5	13	2200
KR 5206 NUUP	800	72	24	74.1	25	49.5	23.8	0.8	37.3	1	M24×1.5	25	10	24.6	17.7	2200
KR 5207 NUUP	1200	80	30	91	28	63	27	1	42.4	1.1	M30×1.5	32	12	30.5	22.4	1800

PWKR…2RS series

Bearing No.	Weight (g)	Bearing No.	Weight (g)	Dimensions(mm)													Basic Load Rating(KN)				Limiting Speed	Eccentric Collar			Tightening Torque with Nut
Bearing No.	Weight (g)	Bearing No.	Weight (g)	D	d	C	r	B	B1	B2	G	G1	M1	C1	d2	A/F	Cr	Cor	Fr pem	For pem	(RPM)	d1	B3	e	Nm
PWKR35.2RS	164	–	–	35	16	18	0.6	52	32.5	7.8	M16×1.5	17	3	0.8	20	8	17.2	18.3	9.4	11.3	6000	20	12	1	58
–	–	PWKRE35.2RS	177	35	16	18	0.6	52	32.5	–	M16×1.5	17	–	0.8	20	8	17.2	18.3	9.4	11.3	6000	20	12	1	58
PWKR40.2RS	242	–	–	40	18	20	1	58	36.5	8	M18×1.5	19	3	0.8	22	8	19.4	20.8	13.8	13.8	5000	22	14	1	87
–	–	PWKRE40.2RS	258	40	18	20	1	58	36.5	–	M18×1.5	19	–	0.8	22	8	19.4	20.8	13.8	13.8	5000	22	14	1	87
PWKR47.2RS	380	PWKRE47.2RS	400	47	20	24	1	66	40.5	9	M20×1.5	21	4	0.8	27	10	30.6	33.6	19.3	25.5	3800	24	18	1	120
PWKR52.2RS	450	PWKRE52.2RS	470	52	20	24	1	66	40.5	9	M20×1.5	21	4	0.8	31	10	34.4	40.8	19.3	28	3800	24	18	1	120
PWKR62.2RS	795	PWKRE62.2RS	824	62	24	28	1	80	49.5	11	M24×1.5	25	4	1.3	38	14	52.4	69.8	25.5	39.5	2200	28	22	1	220
PWKR72.2RS	1571	PWKRE72.2RS	1050	72	24	28	1.1	80	49.5	11	M24×1.5	25	4	1.3	44	14	61.8	81.4	46.5	46.5	2200	28	22	1	220
PWKR80.2RS	1600	PWKRE80.2RS	1670	80	30	35	1.1	100	63	15	M30×1.5	32	4	1	47	14	93.9	118.9	53	70	1800	35	29	1.5	450
PWKR85.2RS	1780	PWKRE85.2RS	1850	85	30	35	1.1	100	63	15	M30×1.5	32	4	1	47	14	93.9	118.9	53	70	1800	35	29	1.5	450
PWKR90.2RS	1960	PWKRE90.2RS	2571	90	30	35	1.1	100	63	15	M30×1.5	32	4	1	47	14	93.9	118.9	82	82	1800	35	29	1.5	450

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Rolling Body:	Roller Bearings
The Number of Rows:	Single
Outer Dimension:	Small and Medium-Sized (60-115mm)

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Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

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track bearing

Can you explain the maintenance and lubrication requirements for track bearings?

Maintenance and lubrication are essential aspects of ensuring the optimal performance and longevity of track bearings. Proper maintenance practices and appropriate lubrication help minimize wear, reduce friction, prevent corrosion, and extend the service life of the bearings. Here’s an explanation of the maintenance and lubrication requirements for track bearings:

Maintenance Requirements:

Cleanliness: It is crucial to maintain a clean operating environment for track bearings. Regularly remove dirt, dust, and debris from the track and bearing surfaces to prevent contamination, which can lead to premature wear and damage.
Inspection: Periodically inspect the track bearings for signs of wear, damage, or misalignment. Check for excessive play, noise, or roughness during operation. If any issues are detected, take appropriate measures such as bearing replacement or realignment to ensure optimal performance.
Tightening and Fasteners: Check the tightness of fasteners, such as bolts or screws, that secure the track bearings. Loose fasteners can lead to misalignment or instability. Ensure that all fasteners are properly tightened according to the manufacturer’s specifications.
Track Alignment: Proper track alignment is crucial for smooth and efficient operation of track bearings. Regularly check the alignment of the track or guide rails and make necessary adjustments to maintain proper alignment, minimizing excessive loads and wear on the bearings.
Load Limits: Adhere to the specified load limits for the track bearings. Exceeding the recommended load capacity can cause premature wear and failure. Consider the dynamic and static load ratings of the bearings to ensure they are not subjected to excessive loads that can compromise their performance.

Lubrication Requirements:

Proper Lubricant Selection: Select the appropriate lubricant based on the operating conditions, such as temperature, load, and speed. Consult the manufacturer’s recommendations or seek expert advice to ensure the lubricant’s compatibility with the track bearings and the specific application.
Regular Lubrication: Follow a regular lubrication schedule as recommended by the manufacturer. This may involve applying lubricant at specified intervals or based on the operating hours. Adequate lubrication helps minimize friction, reduce wear, and maintain proper functioning of the track bearings.
Correct Lubrication Method: Apply the lubricant using the appropriate method, whether it’s manual greasing, automatic lubrication systems, or specialized lubrication techniques. Ensure that the lubricant reaches all necessary contact points and provides sufficient coverage to the bearing surfaces.
Monitoring and Replenishment: Monitor the lubricant levels regularly and replenish as needed. In some cases, track bearings may have built-in lubrication systems that require periodic refilling or maintenance. Keep track of the lubricant condition and replace it when it becomes contaminated or degraded.
Environmental Considerations: Consider the operating environment when selecting the lubricant. Extreme temperatures, exposure to moisture, or the presence of chemicals or contaminants may require special lubricants that can withstand these conditions and provide effective protection and lubrication.

It is important to consult the manufacturer’s guidelines and recommendations specific to the track bearings being used. Following the recommended maintenance and lubrication practices ensures optimal performance, reduces the risk of premature failure, and maximizes the overall lifespan of the track bearings.

track bearing

How do track bearings enhance the overall efficiency and functionality of linear motion systems?

Track bearings play a crucial role in enhancing the overall efficiency and functionality of linear motion systems. They offer several benefits that contribute to improved performance, increased reliability, and enhanced functionality. Here’s a detailed explanation:

Reduced Friction: Track bearings are designed to minimize friction between moving components, allowing for smoother and more efficient linear motion. By reducing friction, they help to optimize the efficiency of the system, reducing energy consumption and minimizing wear on the components.
Precision and Stability: Track bearings provide precise guidance and stability to the linear motion system. They ensure accurate and repeatable motion along the intended path, allowing for precise positioning and control. This is particularly important in applications that require high accuracy, such as CNC machines, robotics, and automated assembly lines.
Load Distribution: Track bearings distribute the load evenly along their length, allowing for efficient load transfer and reducing the concentration of forces on specific components. This helps to prevent excessive wear, deformation, and premature failure of the system, improving overall reliability and longevity.
Handling Heavy Loads: Track bearings are specifically designed to handle heavy loads in linear motion systems. They offer high load capacities and robust construction, enabling them to support and move heavy objects with ease. This capability is essential in industries such as material handling, construction, and transportation.
Smooth and Quiet Operation: Track bearings are engineered to provide smooth and quiet operation, minimizing noise and vibrations in the linear motion system. This is especially important in applications where noise reduction and comfort are critical, such as in medical equipment, office automation, and consumer electronics.
Versatility and Adaptability: Track bearings come in various designs, sizes, and configurations to accommodate different linear motion system requirements. They can be easily integrated into existing systems or customized to fit specific applications. This versatility allows for greater flexibility and adaptability in designing and implementing linear motion solutions.
Maintenance and Serviceability: Track bearings are designed for ease of maintenance and serviceability. They often feature removable components, such as seals or shields, that allow for inspection, cleaning, and lubrication. This simplifies maintenance tasks and reduces downtime, contributing to improved overall system efficiency and uptime.

By incorporating track bearings into linear motion systems, industries can benefit from increased efficiency, improved performance, and enhanced functionality. Whether it’s achieving precise positioning, handling heavy loads, reducing friction, or ensuring smooth operation, track bearings play a vital role in optimizing the overall efficiency and functionality of linear motion systems.

track bearing

Are there specific materials commonly used in the construction of track bearings?

Yes, specific materials are commonly used in the construction of track bearings to ensure their durability, load-carrying capacity, and resistance to various operating conditions. Let’s discuss the materials commonly used for different components of track bearings:

Outer and Inner Rings: The outer and inner rings of track bearings are typically made from high-quality bearing steels such as chrome steel (e.g., AISI 52100) or stainless steel. These materials offer excellent strength, hardness, and wear resistance. Chrome steel is the most commonly used material due to its favorable combination of mechanical properties and cost-effectiveness. In some cases, specialized alloys or heat-treated steels may be used to enhance specific properties like corrosion resistance or high-temperature performance.
Rolling Elements: The rolling elements in track bearings are commonly made from bearing-grade steel or ceramic materials. Bearing-grade steel, similar to the materials used for the outer and inner rings, offers high strength and wear resistance. Ceramic materials, such as silicon nitride (Si3N4) or zirconia (ZrO2), are also used in certain applications where their advantages, such as high hardness, low density, and resistance to corrosion and high temperatures, are desired.
Cage: The cage in track bearings is typically made from materials such as steel, brass, or engineered polymers. Steel cages are commonly used due to their strength and durability. Brass cages offer good corrosion resistance and are suitable for certain operating environments. Engineered polymers, such as polyamide (nylon), are used in applications where low friction, noise reduction, or lightweight design is desired.
Seals or Shields: The seals or shields used in track bearings are made from various materials depending on the specific requirements. Common materials include rubber or synthetic elastomers for seals, and steel or stainless steel for shields. These materials provide effective protection against contaminants while maintaining proper lubrication within the bearing assembly.
Lubrication: Lubricants used in track bearings can vary depending on the application and operating conditions. Common lubrication options include mineral oils, synthetic oils, and greases. The lubricant’s formulation is carefully chosen to provide adequate lubrication, reduce friction and wear, and protect against corrosion and contamination.

Overall, the choice of materials for track bearings is influenced by factors such as load requirements, operating conditions (including temperature and moisture levels), desired lifespan, and cost considerations. By selecting appropriate materials for each component, track bearings can deliver reliable performance and extended service life in a wide range of industrial and mechanical applications.

China OEM Yoke Type Track Roller Bearing Supporting Roller Bearing Cam Follower wheel bearing
editor by CX 2024-04-03