Linear Ball Bearing JP30G-AJ 30mm JIS Metric Adjustable Simplicity Bearing It is self-aligning due to

It is self-aligning due to a crowned bearing shell inside the housing

Double Plain Linear Bearing of 10mm JIS Metric ID with a Square Flange (end-mounted) and a precision running clearance of 0

Nut Type: Triangle Anti-Backlash Nut

and the polymer resin retainer guides ball movement while reducing noise

Linear Ball Bearing JP30G-AJ 30mm JIS Metric Adjustable Simplicity Bearing It is self-aligning due toAdjustable linear ball bearing with a 30mm ID JIS Metric, featuring a flexible slit along the side that provides adaptability for imperfect or worn shafts. A standard sized heat treated alloy steel shell enhances durability and load capacity, especially in cantilevered applications. Double seals add protection, a low coefficient of friction enables higher speeds, and a resin retainer polymer cage reduces noise. JIS Metric (Japanese Industrial