Custom Cam Follower Bearings KR Series KR30 KR22 Track Roller Bearing KR CF Stud Bolt Type
Product Overview
This custom CF12 KR30 cam follower bearing is a stud-type needle roller bearing engineered for precision motion transmission. Made of premium GCr15 bearing steel (HRC 60-65) with a crowned outer ring and double-sided seal, it features key dimensions: 12mm stud diameter × 30mm outer diameter × 40mm total length (thread: M12x1.5). The integrated cage design ensures stable operation, while customizable specifications adapt to special application needs, delivering high load capacity and low friction for automated machinery and cam drive systems.
Product Advantages
- High Load Capacity: Needle roller structure maximizes contact area, handling heavy radial loads and shock impacts.
- Flexible Customization: Tailorable dimensions, seal type, and material finishes to match specific application requirements.
- Sealed Protection: Double-sided seals block dust and debris, preventing lubricant leakage for long-term reliability.
- Easy Installation: M12x1.5 threaded stud with hexagonal groove enables quick, secure mounting without extra tools.
- Wear-Resistant Durability: GCr15 steel with precision heat treatment ensures excellent hardness and wear resistance, extending service life.
Applicable Industries
- Industrial automation & robotics
- CNC machine tools & precision equipment
- Automotive engine valve systems
- Packaging & printing machinery
- Conveyor & material handling equipment
Technical Parameters
| Item |
Details |
| Product Series |
Custom Cam Follower Bearings CF12 KR30 |
| Type |
Stud-Type Needle Roller Cam Follower |
| Key Dimensions |
Stud diameter: 12mm; Outer diameter: 30mm; Total length: 40mm; Thread: M12x1.5 |
| Material |
Premium GCr15 Bearing Steel (Hardness: HRC 60-65) |
| Core Features |
Crowned outer ring, double-sided seal, integrated cage, customizable specifications |
| Application |
Cam drives, linear guides, precision motion transmission systems |
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Bearing photos:


Related Products
| Model |
Stud diameter (mm) |
Outer diameter (mm) |
Total length (mm) |
Weight (g) |
| CF10 KR22 |
10 |
22 |
36 |
45 |
| CF12 KR30 |
12 |
30 |
40 |
95 |
| CF16 KR35 |
16 |
35 |
52 |
170 |
| CF18 KR40 |
18 |
40 |
58 |
250 |
| CF20 KR47 |
20 |
47 |
66 |
386 |
Company Information
Wuxi GQZ Bearing is a professional manufacturer and supplier of precision bearings. Endowed with robust in-house manufacturing capacity, we boast full coverage of standard and custom bearing models to cater to diverse application needs.
Our strict quality control protocols run through the entire production cycle—from raw material selection to finished product inspection. This ensures every bearing delivers consistent high quality, ultra-low noise operation and extended service life.
Tailored OEM customization services are also available to meet your specific requirements.
Please click the "Chat Now" button to contact us!



FAQ
- Q: What’s the core function of CF12 KR30 cam follower bearing?
A: It converts rotational motion to linear/oscillating motion, delivering precise load transmission for cam and guide systems.
- Q: What customizations are available for this bearing?
A: Customizable dimensions (diameter, length), seal types, and surface treatments to fit special application needs.
- Q: When should I replace the CF12 KR30 bearing?
A: Replace if there’s abnormal noise, uneven wear on the outer ring, or reduced motion precision.
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