[Load Capacity] - The bearing ball is made of carbon steel.Support up to 66Lbs/30kg each
[Mouting Size] - Type: Bolt-fixing; Body Size: 31x31mm / 1.22x1.22 Inch(DxH); Thread Size: M8X22mm / M8x0.87 Inch(DxL); When installing the ball transfer unit, the ball should be installed upwards
[Function] - According to different bearing requirements, the distribution density of the ball transfer units can be set arbitrarily, and its working orientation could be ball up / angle
[Application] - It is widely used in various transmission systems, feed systems, processing systems,packaging machinery auxiliary equipment, as well as object turning and confluence. Moreover, it works perfectly for drawer, so that you can roll it out with minimal pull.