Memkey - M12 48 x 50 mm pp Steel Roller Bearing Guide Wheel with 6201 Bearing Insert for Electric Doors, 2 Pack

General description The M12 48 x 50 mm PP Steel Roller Bearing Guide Wheel is designed for use with electric doors. It serves multiple functions including as a top wheel for electric doors, a nylon flange wheel for placement doors, an iron door wheel, and a guide wheel for tracks and pulleys. Technical specifications Material: PP steel Dimensions: 48 mm diameter x 50 mm width Bearings: Two 6201ZZ bearings included Usage This guide wheel is an excellent replacement for old or damaged bearings, ensuring smooth operation of electric doors.