Refined title: MBS Mfg B138 Inner Cam Bearing for Harley Single Cam EVO

This listing is for the Inner Cam Bearing compatible with Harley Davidson Single Cam Big Twins. The Bore measures 20.638 mm (0.8125"), the Outside Diameter is 26.998 mm (1.0625"), and the Width is 12.7 mm (0.5"). This is the only cam bearing you should use for your Single Cam, and it is made in the United States.

The manufacturer of this bearing is Koyo, which acquired the Torrington needle bearing division from Timken in 2011. Timken had previously acquired Torrington in 2003. The specific bearing offered is the B-138, which is suitable for Evolution Single Cam models from 1958 to 1999.

This Inner Cam Bearing is designed to be compatible with Harley Davidson's Single Cam Big Twins. The precise specifications of the bearing ensure a perfect fit and reliable performance for your motorcycle. With its American-made quality, you can trust this bearing to provide long-lasting support for your engine's critical components.

Koyo is a renowned manufacturer of high-quality bearings, and their acquisition of the Torrington division has further strengthened their expertise in the field. The B-138 bearing offered here is a testament to their commitment to delivering reliable and durable products for the automotive industry.

Whether you're maintaining your Harley Davidson's single cam engine or upgrading its performance, this Inner Cam Bearing is the perfect choice. Its precise dimensions and superior construction make it the only cam bearing you should consider using for your Single Cam Big Twin. With its made-in-the-USA quality, you can rest assured that this bearing will provide the reliable performance you need for your motorcycle.

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