Overview
The LM10UU 10mm Linear Ball Bearing is an industrial-grade bushing engineered for smooth, low-friction linear translation along hardened steel shafts. Inside its high-carbon chromium steel outer shell, multiple rows of precision steel balls recirculate within a dedicated nylon retainer cage. This ensures highly stable movement, low noise, and minimal play. To extend its operational lifespan, both ends of the bushing are equipped with integrated rubber lip seals to retain internal lubrication while keeping out dust, wood shavings, and flying debris.
Key Features
Dual-Side Lip Seals: Integrated synthetic rubber shields prevent dust ingress and stop grease from leaking during high-speed travel.
Recirculating Ball System: Provides continuous, fluid linear motion along smooth guide rods with negligible sliding resistance.
Heavy-Duty Core: The 10mm bore setup offers vastly superior rigidity over standard 8mm rods, effectively eliminating mid-span axis flexing under heavy carriage assemblies.
Standard Industrial Sizes: Perfectly matches standard SC10UU aluminum pillow blocks and 3D-printed carriage mounts.
Technical Specifications
| Feature | Specification |
| Model | LM10UU |
| Inner Diameter (Bore $d$) | 10mm |
| Outer Diameter (Diameter $D$) | 19mm |
| Length (Width L) | 29mm |
| Material (Outer Shell) | High-Carbon Chromium Steel (GCr15) |
| Ball Circuit Rows | 4 to 5 Rows |
| Dynamic Load Rating ($C$) | \approx 372 N |
| Static Load Rating ($Co$) | \approx 549 N |
Common Applications
3D Printers: Upgraded Z-axis or heavy dual Y-axis linear rails on larger desktop enclosures.
CNC Routers & Laser cutters: Precision alignment blocks for high-speed automated machine tool frames.
Pick-and-Place Machinery: Low-friction horizontal transport gantries.
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