What are the exact dimensions of this bearing?

This Wiseco top end bearing has an inside diameter of 18mm, an outside diameter of 23mm, and a width of 23.8mm. These dimensions are critical for proper fitment in compatible engines.

Why is a top end bearing important for a two-stroke rebuild?

The top end bearing is essential for the smooth rotation of the crankshaft and connecting rod in a two-stroke engine. A quality bearing ensures proper alignment and reduces friction, which is vital for engine performance and longevity, especially after a rebuild.

Does this bearing come with any hardware for installation?

This product is for the bearing only. Installation hardware, such as seals or circlips, is typically sold separately and should be checked against your vehicle's specific service manual.

Questions? Call Us:631-982-0042

M-F 8AM-4PM ET

Trusted Since 1957

Est. 1957

Wiseco Top End Bearing 18 x 23 x 23.8mm Bearing

1 / 3

Specifications

Brand: Wiseco
Part #: B1002
UPC: 193564104403

Wiseco Top End Bearing 18 x 23 x 23.8mm Bearing

Name: Wiseco Top End Bearing 18 x 23 x 23.8mm Bearing
Brand: Wiseco
Price: 23.54 USD
Availability: InStock

$23.54

On Backorder

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

Wiseco Top End Bearing 18x23x23.8mm. Essential for two-stroke top-end rebuilds.

Key Features

Fits a wide range of two-stroke vehicles.
Measures 18mm ID x 23mm OD x 23.8mm width.
Manufactured by leading bearing suppliers.
Inspected for quality assurance.
Essential component for two-stroke top-end rebuilds.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

Secure CheckoutFast Shipping631-982-0042

Will this fit your vehicle?

Product Details

If you're rebuilding the top end of your two-stroke engine, this Wiseco top end bearing is a crucial part. It's precisely manufactured by leading bearing suppliers and then inspected for quality, ensuring it meets the standards needed for a reliable rebuild. This bearing is a must-have for any two-stroke top-end overhaul, helping to ensure smooth operation and longevity of your engine's critical components.

This bearing measures 18mm on the inside diameter, 23mm on the outside diameter, and has a width of 23.8mm. It's designed to fit a range of popular two-stroke applications, including models like the Polaris Sportsman 400 4x4, Suzuki LT250R QuadRacer, and Suzuki TS250. Having a well-made bearing is key to preventing premature wear and ensuring your engine performs as it should after the rebuild.