Description

8mm U Groove Ball Bearing 0840UU Groove Guide Pulley Sealed Rail Ball Bearing 8*40*20.7 mm

U type pulley, the internal bearing fine bearing steel. Strong bearing capacity, flexible rotation,
internal upgrade stainless steel bearings, can be used in the wet environment, not rust.

Specifications:

Material: nylon+Bearing
Color: black
Inner diameter: 8mm
Outer diamter: 40mm
Width: 20.7mm

Features:

Load more than 50KG, smooth operation, good mute effect.
Internal lubrication grease , can be used in the wet environment, not rust.
Widely used in doors and windows to track and drive mechanical equipment.