Built as a direct replacement for Harley-Davidson Part DF07A74CS16 (37906-11), this ceramic bearing upgrade enhances clutch hub performance in Twin Cam applications. High-precision ceramic rolling elements reduce friction and heat buildup, helping the bearing run cooler and deliver longer service life under repeated clutch engagement. By maintaining proper hub alignment and minimizing drag, it supports smoother power transfer and a more consistent clutch feel. Ideal for performance builds and high-mileage riders, this upgrade offers improved durability and reliability over standard steel bearings.
- Direct OEM replacement for 37906-11
- Includes one (1) Clutch Hub bearing
- Installation should be performed by a certified technician, referencing the H-D Factory Service Manual
- Quicker elapsed times and higher MPHs
- Ceramic bearings offer 40% less friction than steel
- Less friction = more horsepower
- 60% less rotating weight
- Low tension, maintenance-free dust seals
- Mobil® Polyrex® lightweight aerospace grease
- Bearing life 3 to 5 times longer than steel
- Lower vibration levels
- Cooler running
- No extra maintenance required
- 2-year warranty
- 100% hand assembled in the USA to exacting specifications
- Why Choose Worldwide Bearings? - Read More
- Worldwide Bearings Ceramic Ball Torture Testing (Video)
The allure of going faster with less energy is appealing to almost anyone, and the latest innovation to make bikes go faster is ceramic bearings. Since the speed of a motorcycle is most determined by the performance of its rotating parts, investing in ceramic bearings by Worldwide Bearings is a logical choice for the serious rider. Look for them in the winner’s circle.
Worldwide Hybrid Ceramic Bearings utilize SAE 52100 high-carbon chromium steel races. This air-melted alloy is clean, hard, and wear-resistant, combined with Grade 5 Silicon Nitride balls. All ceramic bearings come with low-friction removable seals.
All Worldwide Bearings come with a 2-year warranty.
