625zz U Groove POM Sliding Window Wheel Bearing

25zz U Groove POM Sliding Window Wheel Bearing with Chrome steel and cover material POM size 4*24*7.5mm can be used in sliding window



The existing standard bearings can not meet the widely applications ,sliding wheel bearings can slove many needs.We produce sliding sheel bearing with cover material such as POM ,nylon ,or rubber etc on the bearings. sliding wheel bearing pulley can  divided into two types by hardness, one is an outer hard rubber, and the other is soft. Hard rubber is a layer of plastic on the outside of the bearing, mostly engineering plastic nylon, polyoxymethylene, ABS and so on. With cover material, the outside shape will be  flat, U shape ,Vshape ,H shape etc.surface. We can produce sliding wheel bearing pulley with customized service ,you can send eus your drawing or sample to us .

Sliding roller bearing

625zz U Groove POM Sliding Window Wheel Bearing Specification :

Inner size :4mm

Outer size :24mm

Height:7.5mm

Material :Bearing with Chrome steel +Cover Material POM 

For bearing material we also can produce with Stainless steel or Carbon steel 

And Cover material with Plastic, Polyurethane( PU), Rubber, Nylon, Fiberglass , etc.

Your can choose as your application .

sliding pulley bearing


Sliding Window Wheel Bearing Feature: 

1.our bearing all with precision grinding ,with this treatment pulley wheels bearing will have high precision ,low noise and vibration.

2.With heat treatment ,our bearings will be have long working life and well performance

3.We are choose high quality bearing raw material and sliding roller material , with good match up ,our pulley bearings have high load capacity and smooth running.

4.We can do standard and non-standard service .


Sliding Window Rollers Wheels Application :

Our sliding pulley bearing wheels are widely used in high-end sliding window and door rollers ,sliding wardrobe and closet rollers,shower rollers,display shelf rollers ,sports fitness equipment,and intelligent automation machinery and other equipments.

Pulley Bearing application

We Can Produce Many Other Sliding Pulley Window Bearing Such As V Groove Bearing Pulley ,Flat Bearing Pulley etc.




626 V Groove  698 U Groove  H Groove 



Flat Type


Round Type  Non-standard Bearing 

Welcome With Custom Design !








Product Tags u shaped bearing          u shape bearing          700c u shape wheels          u shaped caster wheels          u shaped carbon wheels          carbon u shape wheels          u groove bearing wheels          u groove wheel bearings          wheel bearing slide hammer         

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