Railway: anodized aluminium alloy body with two chrome-plated steel shafts
Carriage :
Anodized aluminium alloy plate
4 pieces double row balls bearings(rollers)
2 pieces concentric bolts and 2 pieces eccentric bolts
2 pieces plastic lubrication cover with oil soaked felt wipers
Feature
1.High speed, low friction and low noise
2.Clearance/preload is adjustable
3.Sealed and lubricated
Saibo standard industry package
