Wiseco B1015 Top End Wrist Pin Needle Bearing 12 x 17 x 14.2mm

The Wiseco B1015 is a precision top end wrist pin needle cage bearing measuring 12mm I.D. x 17mm O.D. x 14.2mm length, designed for 2-stroke powersports engines. This bearing fits at the small end of the connecting rod, securing the piston pin (wrist pin) and handling the high-frequency reciprocating loads generated at the top end of the engine.

Key Features:

• Precision needle roller cage bearing construction for reduced friction and heat
• Case-hardened steel for maximum wear resistance and long service life
• Manufactured to OEM specifications for proper fit and reliable performance
• Engineered for smooth operation at high engine speeds
• Direct replacement for Wiseco and compatible OEM pistons
• Sold individually

Specifications:

• Inside Diameter (I.D.): 12mm
• Outside Diameter (O.D.): 17mm
• Length: 14.2mm
• Part Number: B1015

Wiseco top end bearings are a trusted choice for 2-stroke motorcycle, ATV, and snowmobile engine rebuilds, providing the durability needed to withstand demanding performance applications.