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We A rough shaft surface accelerates seal wear. But a finished surface that is too smooth will not support hydrodynamic lubrication of the seal lip. Most oil-seal manufacturers recommend shaft surface roughness between 10 and 20-m in. Ra. China worm and wheel steering gear box also China compact worm gearbox can design and make non-standard products to meet customers’ special requirements.

The use of original equipment manufacturer’s (OEM) part numbers or trademarks , e.g. CASE® and John Deere® are for reference purposes only and for indicating product use and compatibility. Our company and the listed replacement parts contained herein are not sponsored, approved, or manufactured by the OEM.