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

cam folllow bearing

Can you explain the role of seals and shields in protecting cam follower bearings from contaminants?

Seals and shields play a crucial role in protecting cam follower bearings from contaminants. They act as barriers, preventing the entry of harmful particles, liquids, or gases into the bearing assembly. Let’s explore the role of seals and shields in detail:


Seals are components designed to create a physical barrier between the internal components of the cam follower bearing and the external environment. They help to prevent the ingress of contaminants, such as dust, dirt, moisture, and other foreign substances. The role of seals in protecting cam follower bearings from contaminants includes:

  • Dust and Dirt Protection: Seals act as a shield against airborne dust and dirt particles that can enter the bearing and cause abrasive wear, premature fatigue, or damage to the rolling elements and raceways. They keep the interior of the bearing clean and free from harmful contaminants.
  • Moisture and Liquid Protection: Seals provide a barrier against moisture and liquid ingress, protecting the bearing from corrosion, rust, and lubricant contamination. They help maintain the integrity of the lubricating film and prevent the formation of corrosive substances that can degrade the bearing surfaces.
  • Chemical and Gas Protection: Certain applications may involve exposure to chemicals or gases that can be detrimental to the bearing’s performance and longevity. Seals are designed to resist the penetration of these substances, safeguarding the bearing from chemical attack or degradation.
  • Grease Retention: Seals help retain lubricating grease within the bearing, preventing it from leaking out and ensuring proper lubrication of the rolling elements and raceways. This promotes smooth operation, reduces friction, dissipates heat, and extends the bearing’s service life.


Shields, also known as retainers or covers, are protective components that shield the rolling elements and raceways of the cam follower bearing from external contaminants. They are typically made of metal or plastic and are positioned close to the bearing’s inner ring or stud. The role of shields in protecting cam follower bearings from contaminants includes:

  • Physical Barrier: Shields act as a physical barrier, intercepting solid particles, debris, or larger contaminants that could otherwise come into contact with the rolling elements and raceways. They prevent direct contact, reducing the risk of damage, wear, or premature failure of the bearing.
  • Easy Access for Lubrication: Shields are often designed with small openings or reliefs to allow for easy access to lubrication points. This facilitates the replenishment or relubrication of the bearing without the need for shield removal, ensuring continued protection against contaminants while maintaining proper lubrication.
  • Enhanced Bearing Performance: By protecting the rolling elements and raceways, shields help maintain the precision and performance of the cam follower bearing. They minimize the risk of surface damage, maintain proper geometry, and reduce the potential for increased friction or vibration that could affect the bearing’s accuracy and efficiency.

Both seals and shields are essential in protecting cam follower bearings from contaminants, ensuring reliable operation and extending the bearing’s service life. The specific type and design of seals and shields may vary depending on the application requirements, environmental conditions, and the level of protection needed. It is important to select the appropriate sealing and shielding solutions to match the operating conditions and contaminants present in the application.

cam folllow bearing

What are the signs of wear or damage in cam follower bearings, and when should they be replaced?

Cam follower bearings can exhibit signs of wear or damage over time, which may indicate the need for replacement. Let’s explore the common signs of wear or damage in these bearings and discuss when they should be replaced:

1. Increased Noise: Unusual or excessive noise during operation, such as grinding, squeaking, or rumbling sounds, can be an indication of bearing wear. If the noise becomes noticeably louder or changes in pitch, it is advisable to inspect the bearing for potential damage.

2. Abnormal Vibration: Excessive vibration or noticeable changes in vibration patterns can be a sign of bearing wear or misalignment. Excessive vibration can lead to accelerated wear and potential failure of the bearing if not addressed promptly.

3. Irregular Motion: If the cam follower bearing exhibits irregular or inconsistent motion, such as sticking, jerking, or hesitation, it may indicate wear or damage. This can affect the smooth operation of the machinery and lead to decreased efficiency or performance issues.

4. Increased Friction: If the bearing experiences higher levels of friction, it may result in increased heat generation or uneven wear. Excessive friction can lead to premature wear of the bearing surfaces and compromise the overall performance of the machinery.

5. Visible Damage: Inspect the bearing for any visible signs of damage, such as cracks, pitting, spalling, or deformation. These visual indications may suggest that the bearing has reached its operational limits and requires replacement.

6. Loss of Lubrication: Insufficient lubrication or loss of lubricant film can lead to accelerated wear and damage in cam follower bearings. If there are signs of inadequate lubrication, such as dry or discolored surfaces, it is essential to address the lubrication issue and consider replacing the bearing if necessary.

7. Excessive Play or Clearance: Excessive axial or radial play in the bearing, or an increase in the clearance between the bearing components, can indicate wear or damage. Excessive play can affect the precision of motion and compromise the overall performance of the machinery.

When to Replace Cam Follower Bearings:

The exact timing for bearing replacement depends on various factors, including the severity of wear or damage, the criticality of the application, and the manufacturer’s guidelines. However, as a general guideline, cam follower bearings should be replaced under the following circumstances:

  • When any of the above-mentioned signs of wear or damage are observed.
  • If the bearing is approaching or has exceeded its predicted service life based on the manufacturer’s recommendations.
  • When routine inspections reveal significant wear or damage that may compromise the bearing’s performance or safety.
  • During scheduled maintenance or overhaul of the machinery, as part of a proactive replacement strategy.

It is crucial to consult the manufacturer’s guidelines, maintenance manuals, or seek the advice of a qualified engineer or technician to determine the appropriate timing for cam follower bearing replacement in specific applications.

By monitoring the signs of wear or damage, and addressing them promptly, the performance, reliability, and safety of the machinery can be maintained, minimizing the risk of unexpected failures or production disruptions.

cam folllow bearing

What are cam follower bearings and how are they used in various mechanical applications?

Cam follower bearings, also known as track followers, are specialized rolling element bearings designed to follow the contour or profile of a cam. They are commonly used in various mechanical applications where linear or rotational motion needs to be translated into a different direction or type of motion. Cam follower bearings consist of a stud or shaft with a roller or needle bearing mounted on it, allowing the bearing to roll along the surface of a cam. Here’s a detailed look at cam follower bearings and their applications in mechanical systems:

  • Design and Working Principle:
  • Cam follower bearings typically consist of three main components: a stud or shaft, a bearing or roller assembly, and a cage or retainer. The stud or shaft provides the mounting point for the bearing and is often equipped with a threaded end for easy installation. The bearing assembly, which can be a roller or needle bearing, is designed to roll or slide along the surface of a cam. The cage or retainer holds the rolling elements in place and ensures smooth operation. As the cam rotates or moves, the cam follower bearing follows the cam’s profile, converting the motion into linear or oscillating movement.

  • Types of Cam Follower Bearings:
  • There are several types of cam follower bearings available, each designed to suit specific applications and operating conditions. Some common types include:

    • Stud-type cam followers: These have a stud or bolt for mounting and are used in applications where the cam follower needs to be attached to a structure.
    • Yoke-type cam followers: These have a yoke or integral flange for mounting and are commonly used in applications where the cam follower needs to be guided or supported.
    • Heavy-duty cam followers: These are designed to handle higher loads and provide increased durability in demanding applications.
    • Needle roller cam followers: These use needle rollers instead of cylindrical rollers, offering high load-carrying capacity and compact design.
  • Applications of Cam Follower Bearings:
  • Cam follower bearings find applications in a wide range of mechanical systems and industries. Some common uses include:

    • Machinery and Equipment: Cam follower bearings are widely used in machinery and equipment, such as conveyors, packaging machines, printing presses, textile machinery, and woodworking machinery. They are used to convert rotary motion into linear or oscillating motion, enabling the precise and controlled movement of components.
    • Automotive Industry: Cam follower bearings are employed in automotive applications, including engines, valve trains, fuel injection systems, and suspension systems. They help control valve timing, provide smooth movement of components, and support high-speed rotation.
    • Robotics and Automation: Cam follower bearings play a crucial role in robotics and automation systems, where they are used for guiding and supporting linear and rotational movements. They are commonly found in robotic arms, pick-and-place mechanisms, and automated assembly lines.
    • Aerospace and Defense: Cam follower bearings are utilized in aerospace and defense applications, such as aircraft landing gear systems, control surfaces, and missile guidance systems. They provide reliable motion control and support in demanding environments.
    • Material Handling: Cam follower bearings are used in material handling equipment, such as forklifts, cranes, and hoists. They facilitate smooth and controlled movement of loads, ensuring efficient and safe operation.

In summary, cam follower bearings are specialized bearings that follow the profile of a cam to convert rotary motion into linear or oscillating motion. They are used in various mechanical applications across industries, providing precise motion control, support, and guidance. Whether in machinery, automotive systems, robotics, aerospace, or material handling equipment, cam follower bearings play a crucial role in enabling efficient and reliable operation.

China OEM Cam Followers Stud Type Track/Tracking Needle Roller Bearing Natr5 Natr6 Natr8 Natr10 Natr12 Natr15 Natr17 Natr20 Natr25 Natr30 with Bolt   bearing distributorsChina OEM Cam Followers Stud Type Track/Tracking Needle Roller Bearing Natr5 Natr6 Natr8 Natr10 Natr12 Natr15 Natr17 Natr20 Natr25 Natr30 with Bolt   bearing distributors
editor by CX 2024-05-16