A
Anonymous
Apr 17, 2026
Rating: 5/5
Durable
Been running for months without noise. The LUU seals keep the dust out effectively.
Description
Extended Square Flange Linear Bearing LMK6/8/10/12/13/16/20/25/30/35/40/50/LUU
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Series Model | LMK Extended Flange |
| Seal Type | LUU Double Seals |
| Material | GCr15 Bearing Steel |
| Bore Diameter Options | 6mm, 8mm, 10mm, 12mm, 13mm, 16mm, 20mm, 25mm, 30mm, 35mm, 40mm, 50mm |
| Cage Material | Nylon Resin |
| Surface Hardness | HRC 60-64 |
| Precision Grade | Standard ISO |
| Lubrication | Pre-lubricated with Grease |
| Max Operating Speed | 120 m/min |
| Common Applications | CNC Machines, 3D Printers, Automation Equipment |
5 reviews
A
Anonymous
Mar 13, 2026
Rating: 5/5
Fast Shipping
Arrived well packaged and protected from rust. Exactly what I needed for my project.
A
Anonymous
Mar 04, 2026
Rating: 4/5
Good but tight
Quality is high, but needed a little break-in time before it felt completely smooth.
A
Anonymous
Feb 22, 2026
Rating: 5/5
Exact Specifications
Measured perfectly with calipers. Fits my 12mm shafts without any forcing required.
A
Anonymous
Feb 16, 2026
Rating: 5/5
Smooth Operation
Works great on my gantry system. The motion is very smooth and there is no play in the bearing.
5 FAQ
Q: Do these come pre-lubricated?
A: Yes, all LMK series bearings are pre-lubricated with standard lithium grease before shipping.
Q: What shaft hardness is recommended for these bearings?
A: We recommend using hardened shafts with a hardness of HRC 60 or higher for optimal lifespan.
Q: Can I use these in a dusty environment?
A: The LUU seals provide good protection against dust, but regular maintenance is advised in harsh conditions.
Q: Do you sell matching linear shafts?
A: Yes, please check our Linear Shaings category for hardened rods compatible with this series.
Q: Are these metric or imperial sizes?
A: All bore diameters listed in this series are metric measurements.
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