China Best Sales Cam Followers Stud Type Track/Tracking Needle Roller Bearing Pwtr40-2RS Pwtr45-2RS Pwtr4090-2RS Pwtr50-2RS Pwtr45100-2RS Pwtr50110-2RS with Bolt double row ball bearing

Product Description

Product Description

Our business:
1. Produce and customize various bearing brands. (we can customize your packaging according to your design and laser engrave your brand in the product. All copyright belongs to the customer. We promise not to disclose any information.)
2. Distribute the world famous bearing brands, such as: SKF, NSK, Timken, NTN, IKO,  Nachi, CZPT etc.
Our products include: deep groove ball bearings, tapered roller bearings, cylindrical roller bearings, self-aligning roller bearings, automobile bearings and thousands of other bearing models. We can also customized non-standard bearing according to customers requirements or drawings.

Bolt-type curved rollers are generally full-loaded rollers, and the bolt shaft raceway is quenched. In order to avoid stress concentration, the outer surface of the thick-walled outer ring of the roller is curved. The outer ring has 2 integral ribs, and the axial direction is guided by rollers. The bolt shaft head and the press-fitted side retaining ring provide axial support for the outer ring through rollers.

Product Name Bolt roller bearing
Brand Name BDL
Material Gcr15,Stainless steel,Ceramic
Precision Grade P0,P6,P5,P4,P2(ABEC1, ABEC3, ABEC5, ABEC7, ABEC9)
Greese SRL ,PS2, Alvania R12 ,etc
Certifications ISO 9001
Package Box,Carton,Wooden Box,Plastic Tube or Per buyers requirement .
MOQ Depending on Model
Serice OEM
Sample Available
Payment Term TT or L/C or Western Union
Port HangZhou/HangZhou/ZheJiang /HangZhou/HangZhou


Detailed Photos





Product Parameters

Designation Dimension(mm)
weight eccentric Basic load rating Limits of spped Radial
Cylinder spherical
type surface type
C d
G G1 B
B2 B3  
KR13 KRV13 13 0
9 5 0
M5×0.8 7 10 23 13   0.5 3
0.5 10.5 0.25 280 180 29000 15 CF5
KR16 KRV16 16 11 6 M6×1 8 12.2 28.2 16   0.6 18.5 0.25 270 170 25000 CF6
KR19 KRV19 19 0
11 8 0
M8×1.25 10 12.2 32.2 20   0.6 28.5 0.25 300 210 20000 CF8
KR22 KRV22 22 12 10 M10×1.25 12 13.2 36.2 23   0.6 1 45 0.3 410 320 17000 CF10
KR26 KRV26 26 12 10 M10×1.25 12 13.2 36.2 23   0.6 60 0.3 410 320 17000 CF10-1
KR30 KRV30 30 14 12 M12×1.5 13 15.2 40.2 25 6 0.6 6
1.5 95 0.3 590 450 14000 CF12
KR32 KRV32 32 0
14 12 0
M12×1.5 13 15.2 40.2 25 6 0.6 105 0.3 590 450 14000 20 CF12-1
KR35 KRV35 35 18 16 M16×1.5 17 19.6 52.1 32.5 8 0.8 170 0.35 850 760 10000 CF16
KR40 KRV40 40 20 18 M18×1.5 19 21.6 58.2 36.5 8 0.8 250 0.35 1180 1120 8500 CF18
KR47 KRV47 47 24 20 M20×1.5 21 25.6 66.1 40.5 9 0.8 460 0.35 1630 1690 7000 CF20
KR52 KRV52 52 0
24 20 0
M20×1.5 21 25.6 66.1 40.5 9 0.8 385 0.35 1630 1690 7000 25 CF20-1
KR62 KRV62 62 29 24 M24×1.5 25 30.6 80.1 49.5 11 0.8 815 0.4 2160 2210 6500 CF24
KR72 KRV72 72 29 24 M24×1.5 25 30.6 80.1 49.5 11 0.8 1140 0.4 2160 2210 6500 CF24-1
KR80 KRV80 80 35 30 M30×1.5 32 37 100 63 15 1 2 1870 0.5 2830 3700 5000 CF30
KR85 KRV85 85 0
35 30 0
M30×1.5 32 37 100 63 15 1 2030 0.5 2830 3700 5000 35 CF30-1
KR90 KRV90 90 35 30 M30×1.5 32 37 100 63 15 1 2220 0.5 2830 3700 5000 CF30-2

Packaging & Shipping


Company Profile


Our Advantages

Our Advantages:
1. World-Class Bearing: We provide our customers with all types of indigenous bearing with world-class quality.
2. OEM or Non-Stand Bearings: Any requirement for Nonstandard bearings is Easily Fulfilled by us due to its vast knowledge
    and links in the industry.
3. Genuine products With Excellent Quality: The company has always proved the 100% quality products it provides with genuine intent.
4. After Sales Service and Technical Assistance: The company provides after-sales service and technical assistance as per the
    customer’s requirements and needs.
5. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain. 

1. Samples quantity: 1-10 PCS are available. 
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to
    pay samples charge and shipping cost. 
3. It’s better to start your order with Trade Assurance to get full protection for your samples order. 

The customized LOGO or drawing is acceptable for us. 

1. MOQ: 10 PCS standard bearings. 
2. MOQ: 1000 PCS customized your brand bearings. 

1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield. 
2. We can custom your packaging according to your design
3. All copyright own by clients and we promised don’t disclose any info.


1.What is the minimum order quantity for this product?
    Can be negotiated, we will try our best to meet customer needs.Our company is mainly based
    on wholesale sales,most customers’orders are more than 1 ton.
2.What is your latest delivery time?
    Most orders will be shipped within 7-15 days of payment being received.
3.Does your company have quality assurance?
    Yes, for 1 years.
4.What is the competitiveness of your company’s products compared to other companies?
    High precision, high speed, low noise.
5.What are the advantages of your company’s services compared to other companies?
    Answer questions online 24 hours a day, reply in a timely manner, and provide various documents
    required by customers for customs clearance or sales. 100% after-sales service.
6.Which payment method does your company support?
    Do our best to meet customer needs, negotiable.
7.How to contact us quickly?
    Please send us an inquiry or message and leave your other contact information, such as phone number,
     account or account, we will contact you as soon as possible and provide
    the detailed information you need.
       Please feel free to contact us, if you have any other question

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Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel
Precision Rating: P0 P6 P5 P4
Vibration Level: Z1 Z2 Z3 Z4
Feature: Long Life, High Speed, Low Noise
US$ 10/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

track bearing

What are the considerations for selecting the right track bearings for a particular application?

Selecting the right track bearings for a particular application requires careful consideration of various factors to ensure optimal performance, reliability, and longevity. Here are the key considerations to keep in mind:

  • Load Requirements: Assess the expected load conditions in the application. Consider both the static and dynamic loads that the track bearings will need to support. Determine the maximum load capacity required to ensure that the selected bearings can handle the anticipated loads without premature failure or excessive wear.
  • Speed and Acceleration: Evaluate the speed and acceleration requirements of the application. Higher speeds and rapid accelerations can impose additional stresses on the track bearings. Choose bearings with suitable speed and acceleration ratings to ensure they can operate effectively within the desired range without compromising performance or causing premature wear.
  • Environmental Factors: Consider the operating environment of the application. Evaluate factors such as temperature extremes, moisture, dust, chemicals, and potential exposure to corrosive substances. Select track bearings that are designed to withstand the specific environmental conditions to ensure optimal performance and longevity.
  • Track and Rail Compatibility: Assess the compatibility of the track bearings with the existing track or rail system. Consider factors such as track geometry, dimensional requirements, and mounting options. Ensure that the selected bearings are suitable for the specific track or rail design to facilitate proper installation, alignment, and smooth operation.
  • Maintenance and Lubrication: Evaluate the maintenance and lubrication requirements of the track bearings. Consider factors such as the need for regular maintenance, lubrication intervals, and the availability of suitable lubricants. Choose bearings that align with the desired maintenance practices and provide appropriate lubrication options based on the application’s operational demands.
  • Expected Lifespan and Reliability: Determine the desired lifespan and reliability expectations for the track bearings. Consider factors such as the projected operating hours, duty cycles, and the criticality of the application. Select bearings from reputable manufacturers known for producing high-quality, reliable products that align with the expected lifespan and reliability requirements.
  • Cost Considerations: Evaluate the cost-effectiveness of the track bearings. Consider the initial purchase cost as well as the long-term costs associated with maintenance, replacement, and potential downtime. Strive for a balance between the upfront investment and the overall value provided by the bearings in terms of performance, reliability, and longevity.

It is essential to consult with bearing manufacturers or industry experts who can provide guidance and recommendations based on the specific application requirements. By considering these factors and seeking expert advice, you can select the right track bearings that best meet the needs of your particular application.

track bearing

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.

track bearing

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.

China Best Sales Cam Followers Stud Type Track/Tracking Needle Roller Bearing Pwtr40-2RS Pwtr45-2RS Pwtr4090-2RS Pwtr50-2RS Pwtr45100-2RS Pwtr50110-2RS with Bolt   double row ball bearingChina Best Sales Cam Followers Stud Type Track/Tracking Needle Roller Bearing Pwtr40-2RS Pwtr45-2RS Pwtr4090-2RS Pwtr50-2RS Pwtr45100-2RS Pwtr50110-2RS with Bolt   double row ball bearing
editor by CX 2024-04-02

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