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: