JIS Plain Linear Bearing FJAC12 12mm Self-Aligning Crown, Compensated ID Open Linear Plain Bearing This Simplicity® bearing uses a

This Simplicity® bearing uses a self-lubricating FrelonGOLD® liner bonded directly to the bore of a sturdy aluminum body

with a 3/16" precision ID (inner diameter) that provides a 0

In contrast

Carriage Only - matching rail part number CR45 sold separately

Variants with closed shells are available with the part number FJC

JIS Plain Linear Bearing FJAC12 12mm Self-Aligning Crown, Compensated ID Open Linear Plain Bearing This Simplicity® bearing uses aJIS plain linear bearing, self aligning, closed, 12mm compensated ID that provides a 0. 0015" running clearance per side for a tighter fit and less play on round shafts. Sized to Japanese Industrial Standards (JIS), the bearing is encased in a crowned outer diameter (OD) cylindrical green anodized aluminum shell. The crown creates a curved contact surface that lets a compatible self aligning housing seat the bearing at a slight angle, helping