What is the main function of a main bearing?

Main bearings support the crankshaft within the engine's crankcase. They allow the crankshaft to rotate smoothly and maintain proper alignment, which is crucial for the engine's overall operation and efficiency.

What does 'inspected for accuracy, function, and cleanliness' mean for this bearing?

It means each bearing undergoes checks to ensure it meets precise specifications, operates correctly, and is free from contaminants. This process helps guarantee efficient and reliable performance once installed in your engine.

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Specifications

Brand: Wiseco
Part #: B5041
UPC: 193564103970

Wiseco 30 x 62 x 16mm Main Bearing

Name: Wiseco 30 x 62 x 16mm Main Bearing
Brand: Wiseco
Price: 24.49 USD
Availability: InStock

$24.49

On Backorder

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

Fits 2004-2017 Kawasaki KX250F. Wiseco 30 x 62 x 16mm Main Bearing. Manufactured by OEM suppliers for reliable service.

Key Features

Fits 2004-2017 Kawasaki KX250F and 2004-2006 Suzuki RMZ250.
Main bearing measures 30mm inner diameter, 62mm outer diameter, and 16mm width.
Manufactured by the same suppliers to OEMs, including leading Japanese manufacturers.
Precision machined and finished with high-quality materials.
Inspected for accuracy, function, and cleanliness for reliable service.

⚠️ 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

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Fits these vehicles

Kawasaki KX250F 2004-2017
Suzuki RMZ250 2004-2006

Product Details

This is a Wiseco main bearing, measuring 30 x 62 x 16mm, designed for your 2004-2017 Kawasaki KX250F. Main bearings are critical components in your engine's bottom end, supporting the crankshaft and ensuring it spins smoothly within the crankcase. When it's time to rebuild or replace worn parts in your engine, a well-made main bearing is essential for proper function and longevity.

Wiseco sources these bearings from many of the same suppliers that provide parts to original equipment manufacturers, including leading Japanese companies. Each bearing is precision machined and finished using high-quality materials. Before they leave the factory, they're thoroughly inspected for accuracy, function, and cleanliness. This attention to detail helps ensure efficient and reliable service for your engine.