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440C Stainless Steel LM10 12 16 20UU Linear Ball Bushings for 3D Printer CNC

The type linear bearings outer cylinder is made of stainless steel, which is not easy to rust and has strong corrosion resistance. Steel balls and retainers can be made of stainless steel to further enhance the acid, alkali, moisture, and high-temperature resistance of the products.

Additional information


Stainless Steel Type Linear Ball Bearings


440C Stainless Steel Equivalent


Resin, Stainless Steel

Precision Rating

High Precision


Original Packing, Neutral Packing or Customized Packing


Standard or OEM


Outer Cylinder: 440C Stainless Steel
Balls: 440C Stainless Steel
Retainer: Resin or Stainless Steel
Seal: Nitrile Rubber or Stainless Steel+fluoro rubber
Precision Rating: High Grade
Hardness: 56HRC~
Surface Treatment: None
Ambient Operating Temp: -20~80℃

Certificate: ISO9001:2015
Delivery time: 3-7 days if it is in stock, 15-30 days if not in stock, according to the quantity
Features: Easy to Assemble and Replace; Long life with high quality; High precision, low noise; High-loading by the advanced high-technical design.

LM…UU series linear bearings are widely used in electronic equipment, tensile testing machines and the digital three-dimensional coordinate measuring equipment, precision equipment, and multi-axis machine tools, presses, tool grinder, automatic gas cutting machine, 3D printer, card sorting machine, food packing machines, and other industrial machinery sliding components.

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