Key Features Dust and liquid proof seal for long service life. Made of high-quality steel, sturdy and durable. Can be used for high-speed turning, suitable for lathes. Packaged in a plastic case, convenient for storage and carry. Precision sealed triple bearing system for high accuracy and long service life. Specifications Material: Alloy Steel Radial load: 200KGLimit rotational speed: 5000Weight: 565gAccuracy: 0.005DO: 31.267