Product Description

P*1A is a normal style of sliding roller, so you can find the profile of this system very easy. Its top wheel is asymmetric, use for the sliding door system which is double track.
The top wheel is without bearing, but you will find it is quiet when it move.
The bottom wheel use **8ZZ bearing, which has a OK quality and low price. It can afford about *0 KG of the door.
It is very easy to set up a sliding door system of P*1A, use the self-tapping YFS to fix the top wheels, use the adjusting YFS to fix the bottom wheels. You can adjust the high of the door system easily according to the adjusting screws.