The LMK 12UU Linear Motion Bearing is a high-quality square flange linear ball bearing designed for smooth and precise linear motion on 12 mm hardened shafts. It is widely used in CNC machines, 3D printers, automation equipment, packaging machines, and industrial motion systems where stable and low-friction movement is required.
The square flange design allows easy and secure mounting on machine frames or plates, ensuring proper alignment and strong support. The internal recirculating ball system reduces friction and provides smooth sliding motion, high accuracy, and long operational life.
Manufactured from premium hardened bearing steel, the LMK 12UU offers excellent durability, wear resistance, and reliable performance even in continuous industrial use.
LMK 12UU Linear Bearing Dimensions
Parameter
Dimension
Inner Diameter (d)
12 mm
Outer Diameter (D)
21 mm
Length (L)
30 mm
Flange Size (B × C)
42 × 42 mm
Mounting Hole Distance
32 mm
Mounting Hole Diameter
5 mm
Number of Mounting Holes
4
Key Features
Suitable for 12 mm linear shafts
Square flange (LMK series) for secure mounting
Smooth and precise linear motion
Low friction recirculating ball design
High durability and load capacity
Easy installation and maintenance
Applications
CNC routers and engraving machines
3D printers and DIY motion systems
Industrial automation systems
Laser cutting machines
Packaging and printing machinery