China excellent quality Track roller bearing NATR5PP,support rollers

NATR5PP is metric series yoke type track rollers ( support rollers),which is based on a needle roller and a cage assembly.

NATR series support rollers have the outer ring axially guided by pressed-on flange rings,forming a gap-type seal,which are also available with a lip seal fitted on both sides.( designation suffix pp)

The effect of pp lip seal:

1, protecting against coarse contaminants

2, retaining grease

3, improving lubrication conditions,keep friction and friction heat low,and extending grease life. 

Powerlong track roller bearings are available with or without flange rings,they have a thick-walled outer ring, and support rollers with a cylindrical running surface are also available.