USA Standard uses the latest designs and manufacturing techniques to provide a gear that is strong and easy to set up. All USA Standard Ring & Pinion sets come standard with a one-year warranty.
These ring and pinions use the 10.50" style inner pinion bearing.
TIMKEN / KOYO / National #
• NP504493 Bearing • HM807010 Cone
If you need a complete install kit for this ring and pinion, use ZKF10.5-A
