



LMF20UU Linear Ball Bearing - 20mm Flanged 4-Hole Mount Linear Motion
UPC: 00193019216217
Type: Linear Ball Bearing
Size: 20mm x 32mm x 42mm
Inner Diameter: 20mm
Outer Diameter: 32mm
LMF20UU Linear Ball Bearing - Flanged 4-Hole Mount
✔️ Works with 20mm Shafts - 20mm ID x 32mm OD x 42mm Length
This LMF20UU is a round flanged linear bearing made to glide smoothly on 20mm shafts. It’s got a 4-hole flange for easy bolt-on mounting, plus rubber seals to keep out the gunk. Great for 3D printers, CNCs, and motion rigs.
✅ Inner diameter: 20mm
✅ Outer diameter: 32mm
✅ Length: 42mm
✅ Flange diameter: 54mm
✅ Built-in rubber seals for clean, low-friction motion
✅ Dynamic load rating: 882 N
✅ Static load rating: 1370 N
✅ Pack size: 1 bearing
Dimension Table (mm):
dr | D | L | t | Dp | X | Y | Z |
---|---|---|---|---|---|---|---|
20 | 32 | 42 | 8 | 43 | 5.5 | 9 | 5.1 |
💡 Why use flanged linear bearings for shaft-based motion systems?
Flanged linear bearings make shaft alignment and mounting a breeze.
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The flange lets you bolt it down without custom housings
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Rubber seals help keep dust and debris out
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Smooth internal ball paths reduce resistance
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Perfect for 3D printers, CNC builds, and linear stages
Need a clean, bolt-on linear solution for 20mm shafts? This one's a smooth operator - add it to your build and glide like a champ!