Product Description
Welcome to choose KORTON INDUSTRIAL LIMITED.
NO 1. our adwantages
1. 14 years bearing products manufacturing and exporting experiences.
2. OEM order and non-standard bearing order can be accepted.
3. Many sizes of bearing are available. Large quantity bearing can be provided.
4. To respect customers, you can choose the loading port.
5. A certain number of free sample can be provide to support our customer’s after-sale services and warranty.
NO 2. OEM all brand bearing
NO 3. Cylindrical roller bearing Specification:
| Seals Types | OPEN |
| Vibration Level | Z1V1,Z2V2,Z3V3 |
| Clearance | C2,C0,C3,C4,C5 |
| Tolerance Codes | ABEC-1,ABEC-3,ABEC-5 |
| Materral | GCr15-China/AISI52100-USA/Din100Cr6-Germany |
| MOQ | 1Set at least |
| Delivery Time | Stock or 5-15 days after contract |
| Payment Terms | TT/PAPAL/WESTERN UNION |
| Package | Tube package+outer carton+pallets; Single box+outer carton+pallets; Tube packge+middle box+outer carton+pallets; According to your requirement |
NO 3. Rolling Mill Bearing Models and Size:
| Model | D | d | H |
| KR16-PP | 16 | 6 | 28 |
| KR16-SK-PP | 16 | 6 | 28 |
| KR19-PP | 19 | 8 | 32 |
| KR19-SK-PP | 19 | 8 | 32 |
| KR22-PP | 22 | 10 | 36 |
| KR26-PP | 26 | 10 | 36 |
| KR30-PP | 30 | 12 | 40 |
| KR32-PP | 32 | 12 | 40 |
| KR35-PP | 35 | 16 | 52 |
| KR40-PP | 40 | 18 | 58 |
| KR47-PP | 47 | 20 | 66 |
| KR52-PP | 52 | 20 | 66 |
| KR62-PP | 62 | 24 | 80 |
| KR72-PP | 72 | 24 | 80 |
| KR80-PP | 80 | 30 | 100 |
| KR90-PP | 90 | 30 | 100 |
| KR16 | 16 | 6 | 28 |
| KR19 | 19 | 8 | 32 |
| KR22 | 22 | 10 | 36 |
| KR26 | 26 | 10 | 36 |
| KR30 | 30 | 12 | 40 |
| KR32 | 32 | 12 | 40 |
| KR35 | 35 | 16 | 52 |
| KR40 | 40 | 18 | 58 |
| KRE16-PP | 16 | 9 | 28 |
| KRE19-PP | 19 | 11 | 32 |
| KRE22-PP | 22 | 13 | 36 |
| KRE26-PP | 26 | 13 | 36 |
| KRE30-PP | 30 | 15 | 40 |
| KRE32-PP | 32 | 15 | 40 |
| KRE35-PP | 35 | 20 | 52 |
| KRE40-PP | 40 | 22 | 58 |
| KRE47-PP | 47 | 24 | 66 |
| KRE52-PP | 52 | 24 | 66 |
| KRE62-PP | 62 | 28 | 80 |
| KRE72-PP | 72 | 28 | 80 |
| KRE80-PP | 80 | 35 | 100 |
| KRE90-PP | 90 | 35 | 100 |
| KRV16-PP | 16 | 6 | 28 |
| KRV19-PP | 19 | 8 | 32 |
| KRV22-PP | 22 | 10 | 36 |
| KRV26-PP | 26 | 10 | 36 |
| KRV30-PP | 30 | 12 | 40 |
| KRV32-PP | 32 | 12 | 40 |
| KRV35-PP | 35 | 16 | 52 |
| KRV40-PP | 40 | 18 | 58 |
| KRV47-PP | 47 | 20 | 66 |
| KRV52-PP | 52 | 20 | 66 |
| KRV62-PP | 62 | 24 | 80 |
| KRV72-PP | 72 | 24 | 80 |
| KRV80-PP | 80 | 30 | 100 |
| KRV90-PP | 90 | 30 | 100 |
| NUKR35 | 35 | 16 | 52 |
| NUKR40 | 40 | 18 | 58 |
| NUKR47 | 47 | 20 | 66 |
| NUKR52 | 52 | 20 | 66 |
| NUKR62 | 62 | 24 | 80 |
| NUKR72 | 72 | 24 | 80 |
| NUKR80 | 80 | 30 | 100 |
| NUKR90 | 90 | 30 | 100 |
| NUKRE35 | 35 | 20 | 52 |
| NUKRE40 | 40 | 22 | 58 |
| NUKRE47 | 47 | 24 | 66 |
| NUKRE52 | 52 | 24 | 66 |
| NUKRE62 | 62 | 28 | 80 |
| NUKRE72 | 72 | 28 | 80 |
| NUKRE80 | 80 | 35 | 100 |
| NUKRE90 | 90 | 35 | 100 |
| PWKR35-2RS-XL | 35 | 16 | 52 |
| PWKR40-2RS-XL | 40 | 18 | 58 |
| PWKR47-2RS-XL | 47 | 20 | 66 |
| PWKR52-2RS-XL | 52 | 20 | 66 |
| PWKR62-2RS-XL | 62 | 24 | 80 |
| PWKR72-2RS-XL | 72 | 24 | 80 |
| PWKR80-2RS-XL | 80 | 30 | 100 |
| PWKR90-2RS-XL | 90 | 30 | 100 |
| PWKR35-2RS-RR-XL | 35 | 16 | 52 |
| PWKR40-2RS-RR-XL | 40 | 18 | 58 |
| PWKR47-2RS-RR-XL | 47 | 20 | 66 |
| PWKR52-2RS-RR-XL | 52 | 20 | 66 |
| PWKR62-2RS-RR-XL | 62 | 24 | 80 |
| PWKR72-2RS-RR-XL | 72 | 24 | 80 |
| PWKR80-2RS-RR-XL | 80 | 30 | 100 |
| PWKR90-2RS-RR-XL | 90 | 30 | 100 |
| PWKRE35-2RS | 35 | 20 | 52 |
| PWKRE40-2RS | 40 | 22 | 58 |
| PWKRE47-2RS | 47 | 24 | 66 |
| PWKRE52-2RS | 52 | 24 | 66 |
| PWKRE62-2RS | 62 | 28 | 80 |
| PWKRE72-2RS | 72 | 28 | 80 |
| PWKRE80-2RS | 80 | 35 | 100 |
| PWKRE90-2RS | 90 | 35 | 100 |
Why Choose Us:
We are an industrial and trading company.We have our own brand: SFNB .If you interested in our product,I can take you to visit our factory.
Our factory have advanced testing equipment,before the every product leave the factory,we will be testing.We can send samples to you,you can test the quality,and if you accept the sample quality,we can promise: the follow-up orders’ quality will be the same as samples.
About ordinary standard type of bearing ,We have rich inventory,not have MOQ,if your need a product is Non-standard size,need customize,we will according the product size to determine the MOQ.
Our company can accept OEM,you can send sample to me,we can manufacturing products the same as sample.Meanwhile,we also can accept some well-known brands of OEM,
If the amount of money is less,you can pay it by Paypal .Of course you can payment by TT or Western Union etc. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Rolling Body: | Roller Bearings |
|---|---|
| The Number of Rows: | Single |
| Outer Dimension: | Micro(≤26mm) |
| Material: | Bearing Steel |
| Spherical: | Non-Aligning Bearings |
| Load Direction: | Radial Bearing |
| Customization: |
Available
| Customized Request |
|---|

What are the benefits of using self-lubricating or maintenance-free track bearings?
Using self-lubricating or maintenance-free track bearings can offer several significant benefits in terms of convenience, performance, and cost-effectiveness. Let’s explore the advantages of utilizing self-lubricating or maintenance-free track bearings:
- Elimination of External Lubrication: One of the primary advantages of self-lubricating or maintenance-free track bearings is that they eliminate the need for external lubrication. These bearings are pre-lubricated with a solid lubricant or have a built-in lubrication system that provides a continuous supply of lubrication to the bearing surfaces. This eliminates the requirement for manual lubrication or periodic re-lubrication, saving time and effort in maintenance tasks.
- Extended Service Life: Self-lubricating or maintenance-free track bearings are designed to provide long service life. The presence of a solid lubricant or a self-lubricating material within the bearing helps reduce friction, wear, and the risk of surface damage. This results in improved durability and extended service life, reducing the frequency of bearing replacements and downtime for maintenance.
- Reduced Contamination and Cleanliness: External lubricants, such as grease or oil, can attract and accumulate contaminants, such as dust, dirt, or debris. In contrast, self-lubricating or maintenance-free track bearings minimize the risk of contamination since they do not require additional lubricants. This helps maintain a cleaner operating environment and reduces the potential for bearing failure due to contamination-related issues.
- Improved Reliability and Performance: Self-lubricating or maintenance-free track bearings offer consistent and reliable performance throughout their service life. The presence of an effective lubrication system ensures proper lubrication even under demanding operating conditions, such as high temperatures or high loads. This contributes to smoother and more predictable motion, reduced friction, and enhanced overall performance of the machinery or equipment.
- Cost Savings: While self-lubricating or maintenance-free track bearings may have a higher initial cost compared to standard bearings, they can result in cost savings over the long term. The elimination of manual lubrication and the extended service life of these bearings reduce maintenance requirements, labor costs, and the need for lubrication supplies. Additionally, the increased reliability and performance can minimize downtime and associated production losses.
- Ease of Installation: Self-lubricating or maintenance-free track bearings are typically designed for easy installation. They often come pre-assembled, pre-lubricated, or with integral lubrication systems, simplifying the installation process. This can save time and effort during initial setup or replacement of bearings in machinery or equipment.
Overall, self-lubricating or maintenance-free track bearings offer the advantages of reduced maintenance, extended service life, improved reliability, and cost savings. These bearings are particularly beneficial in applications where regular lubrication is challenging, time-consuming, or not feasible, or in environments where contamination control is critical.

Can track bearings be used in both light-duty and heavy-duty machinery applications?
Yes, track bearings can be used in both light-duty and heavy-duty machinery applications. They are versatile components that offer reliable support for linear motion in a wide range of industrial settings. Here’s a detailed explanation:
1. Light-Duty Machinery Applications:
In light-duty machinery applications, track bearings provide cost-effective and efficient solutions for various tasks. Light-duty track bearings are designed to handle lower loads and are commonly used in applications such as:
- Office automation equipment
- Consumer electronics
- Printing machinery
- Small conveyors and material handling systems
- Automated vending machines
- Textile machinery
These applications typically involve lighter loads and lower operating speeds, making light-duty track bearings suitable for providing smooth and reliable linear motion.
2. Heavy-Duty Machinery Applications:
Track bearings are also widely used in heavy-duty machinery applications that require robust components capable of handling substantial loads and challenging operating conditions. Heavy-duty track bearings are designed to withstand higher loads and offer increased durability. They are commonly employed in applications such as:
- Material handling equipment
- Construction machinery
- Mining equipment
- Transportation systems
- Industrial automation
- Large-scale conveyors
- Steel mills
These applications often involve heavy loads, high operating speeds, and demanding environments. Track bearings in heavy-duty machinery applications are engineered to provide reliable performance, extended service life, and resistance to factors such as contamination, shock, and vibration.
Track bearings are available in various sizes, designs, and load capacities, allowing them to be tailored to the specific requirements of both light-duty and heavy-duty machinery applications. Manufacturers offer a range of options to accommodate different load capacities, operating conditions, and performance specifications.
It is important to consider the specific requirements and operating conditions of the machinery application when selecting track bearings. Consulting with bearing manufacturers or industry experts can help ensure the appropriate track bearings are chosen for optimal performance and reliability in both light-duty and heavy-duty machinery applications.

What are the components of a track bearing assembly and their functions?
A track bearing assembly consists of several components that work together to facilitate smooth and controlled motion along a track or guide rail. Let’s explore the components of a typical track bearing assembly and their functions:
- Outer Ring: The outer ring is the outermost component of a track bearing assembly. It provides structural support and houses the rolling elements. The outer ring is designed with a track or guide surface that interfaces with the track or rail, allowing the bearing to move along the desired path.
- Inner Ring: The inner ring is located inside the outer ring and provides a mounting surface for the bearing assembly. It may have a stud or shaft for attaching the bearing to the application. The inner ring helps in aligning and positioning the bearing assembly.
- Rolling Elements: The rolling elements are the components that enable smooth rolling motion between the inner and outer rings. In track bearings, the rolling elements are typically in the form of rollers or needles. They are designed to minimize friction and distribute the load evenly along the track surface.
- Cage: The cage, also known as a retainer, is a component that holds the rolling elements in position and maintains proper spacing between them. The cage prevents the rolling elements from contacting each other, reducing friction and wear. It also helps in guiding the rolling elements during operation.
- Seals or Shields: Track bearings often incorporate seals or shields to protect the internal components from contaminants such as dirt, dust, and moisture. Seals provide a physical barrier between the bearing and the external environment, while shields offer partial protection while allowing some lubrication to reach the rolling elements.
- Lubrication: Proper lubrication is crucial for the smooth operation and longevity of track bearings. Lubrication reduces friction, dissipates heat, and prevents wear between the rolling elements and raceways. Lubricants can be applied through grease fittings or oil ports, ensuring that the rolling elements roll smoothly along the track surface.
- Mounting Hardware: Depending on the specific design and application requirements, track bearing assemblies may include mounting hardware such as studs, bolts, or fasteners. These components are used to securely attach the bearing assembly to the application, ensuring proper alignment and stability.
By combining these components, a track bearing assembly provides reliable and controlled motion along a track or guide rail. The outer and inner rings, along with the rolling elements and cage, enable smooth rolling motion, while seals or shields protect the internal components from contaminants. Proper lubrication and mounting hardware ensure optimal performance and longevity of the track bearing assembly.


editor by CX 2024-02-06