Description
Specifications:
Quantity: 10 Pieces;
Color: White;
Roller Diameter: 46mm (about 2″);
Roller Thickness: 12mm (0.5″);
Stem Diameter: 11mm (0.43″);
Overall Length: 120mm (about 5″);
Why are our products good?
The self-owned factory has passed the ISO9002 system certification and has many years of design and processing experience.
The product manufacturing process is excellent, the quality control is stable, and it can mass produce uniform products with high precision.
What are the advantages of the product?
The product adopts high-quality 6200ZZ bearings equipped with nylon rollers, Q195L carbon steel valve stem surface is galvanized, durable and rust-proof;
nylon rollers can effectively reduce noise by more than 80% compared with traditional steel rollers;
Both sides of the precision bearing are closed by an iron cover, assisted by built-in lubricating oil, the rotation is stable, the bearing capacity is high, and the test life under quantitative load exceeds 200,000 times；
it is very suitable for standard garage door rails or most other heavy or wooden automatic door rails, etc.
It is the best choice for new installations or those suffering from noise and need to be replaced.
