J&T Bearing Co. 6x12x4mm Hybrid Ceramic Ball Bearings (Rubber-Shielded) (10)

J&T Bearing Co. 6x12x4mm Hybrid Ceramic Ball Bearings feature Si3N4 ceramic balls, precision steel races, rubber shields, and a stainless “W” type retainer for smooth, efficient drivetrain performance.

Features

• Si3N4 ceramic balls reduce friction and improve speed
• True ABEC 5 or 7 rating ensures precise tolerances
• Rubber shields provide protection with zero contact drag
• High-speed oil fill supports smooth, fast free-spinning
• Stainless “W” type retainer adds strength and stability
• Designed for low starting torque and maximum efficiency

Includes

• (10) 6x12x4mm Hybrid Ceramic Rubber-Shielded Ball Bearings