Material: 45# carbon steel (high-frequency quenching and hardening)
Surface Treatment: Chromed
Plating thickness: 0.02-0.03
Surface hardness: 50-55
Surface finish: 0.3-0.5
Straightness: 0.15/1000mm
Roundness: 《0.01
Diameter: 5/6/7/8/10/12/13/14/15/16/17/18/20/22/24/25/28/30/32/35/40/45/50 mm
Length: 100/150/200/250/300/400/500/600/700/800/900/1000 mm
Purpose: Can Be Used As Linear Rail, Often Used In CNC Milling 3D PrintersProduct Name: Deep Groove Ball Bearing