Cage/Retainer: Nylon or Polyamide (to hold the balls in place)
Mechanical Specifications
Shaft Diameter Compatibility: Available in standard sizes, commonly ranging from 3mm to 80mm (e.g., 8mm, 12mm, 16mm, etc.)
Outer Diameter: Varies based on shaft size and specific bearing type
For example, for a shaft diameter of 8mm (LM8UU):
Outer Diameter: 15mm
Length: 24mm
Load Capacity: Depends on the size and type of the bearing. Standard bearings support moderate radial loads with high precision.
Linear Accuracy: Typically in the micron range, providing high precision linear guidance.
Performance Specifications
Operating Speed: Linear motion bearings allow high-speed motion with minimal friction; speeds can vary but typically reach up to 3m/s depending on lubrication and load conditions.
Friction Coefficient: Low, generally around 0.001 – 0.003 when properly lubricated.
Noise Level: Low-noise operation when installed correctly, but noise may increase under high speeds or improper lubrication.
Features
High Precision: Offers smooth, low-friction linear movement, suitable for precision machinery.
Durability: Made from high-grade materials for a long service life, especially in high-cycle applications.
Low Maintenance: Requires lubrication but offers reliable performance with minimal upkeep.
Sealed Design (Optional): Some models come with rubber seals (e.g., LMUU type) to keep out contaminants and reduce maintenance.
Corrosion Resistance: Available in stainless steel for high-corrosion environments.
Lubrication Type: Can use oil or grease, depending on the operating environment.
Sealing Option: Some models are available with rubber seals (like LMUU) to prevent dust and debris from entering, improving longevity and reducing maintenance needs.
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