Description:

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

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

Quantity: 1pc

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.

Package Included:

1 x wheel bearing

More Details: