TLILY 8Pcs Series 48X50mm Yellow Silver Nylon Steel Flat Roller Bearing Guide Wheel 6201 M12 Screw for Electric Sliding Door

General description These 8 pieces of 48x50mm yellow silver nylon steel flat roller bearing guide wheels are designed for use with electric sliding doors. They serve multiple functions including as electric door top wheels, pan door nylon clamping wheels, iron door wheels, electric door guide wheels, track wheels, and pulleys. Each wheel is equipped with two 6201 insert bearings, making them great replacements for old or damaged wheels. Technical specifications Size: 48x50mm Material: Nylon Color: Yellow Other information Package Contents: 8 x Guide Wheels Note: Light reflection and different displays may cause the color of the item to differ slightly from the real thing. The measurement allowed error is +/- 1-3 cm.