What is the material of this bearing inner race?

This inner race is constructed from hardened steel. This material is chosen for its ability to withstand the high loads and stresses encountered within an engine's rotating assembly.

What are the dimensions of this bearing inner race?

The inner race has outer dimensions of 1.25 inches by 1.65 inches, with an inner bore diameter of 1.120 inches. These measurements ensure a precise fit for the corresponding shaft.

Is this bearing sold individually or as a set?

This product listing is for the right main bearing inner race only. If a set is available, it will be listed separately. Always check the product description and included parts to confirm.

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Trusted Since 1957

Est. 1957

S&S Cycle 99-17 BT Right Main Bearing Inner Race

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Specifications

Brand: S&S Cycle
Part #: 340-0077
UPC: 340-0077

S&S Cycle 99-17 BT Right Main Bearing Inner Race

Name: S&S Cycle 99-17 BT Right Main Bearing Inner Race
Brand: S&S Cycle
Price: 66.64 USD
Availability: InStock

$66.64

On Backorder — Expected to ship by May 7, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

S&S Cycle right main bearing inner race for 1999-2017 Harley-Davidson Big Twin engines.

Key Features

Fits 1999-2017 Harley-Davidson Big Twin models.
Hardened steel construction for durability.
Measures 1.25" x 1.65" with a 1.120" bore.
Direct replacement for the right main bearing inner race.

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Will this fit your vehicle?

Product Details

When you're rebuilding the engine on your Harley-Davidson Big Twin from 1999 to 2017, getting the right internal components is key. This right main bearing inner race from S&S Cycle is a well-built replacement part designed to keep your engine running smoothly.

This inner race is made from hardened steel, which is important for handling the loads and stresses inside the engine. It measures 1.25 inches by 1.65 inches with a 1.120-inch bore, fitting precisely where it needs to go. Using a solid, well-made bearing like this helps ensure consistent performance and longevity for your engine rebuild.

This part is designed to fit a wide range of Harley-Davidson Big Twin models, including popular bikes like the Road King, Street Glide, and Heritage Softail. Make sure to check the full fitment list to confirm it's the right piece for your specific motorcycle.