Wiseco BK5059 Main Bearing Kit 30x62x16mm Powersports Crankshaft Bearings (2-Pack)

The Wiseco BK5059 is a crankshaft main bearing kit designed for powersports engine bottom-end rebuilds. This kit includes two (2) precision ball bearings measuring 30 x 62 x 16mm, engineered to support the crankshaft with reliable, long-lasting performance.

Key Features:

• Bearing Size: 30mm bore x 62mm outer diameter x 16mm width (per bearing)
• Kit Includes: Two (2) matched main bearings
• Manufactured by the same OEM suppliers used by leading Japanese powersports manufacturers
• Each bearing is case-hardened for maximum service life and smooth operation at high RPM
• Precision machined and finished to tight tolerances for accurate fit and reliable function
• Inspected for accuracy, function, and cleanliness prior to packaging
• Engineered to meet or exceed original equipment manufacturer (OEM) specifications
• Compatible with Wiseco crankshafts and designed to restore factory-level performance

Wiseco main bearing kits are a trusted choice for powersports engine rebuilds, delivering the same quality and precision found in OEM applications. The BK5059 is ideal for dirt bike, ATV, or UTV crankshaft service where 30x62x16mm main bearings are required.