The Thomson SPB12OPN Linear Super Pillow Block is a high-performance, self-aligning linear bearing designed to enhance the efficiency and longevity of linear motion systems.
Key Features
- Self-Aligning Capability: Accommodates up to ±0.5° misalignment, compensating for inaccuracies in base flatness or carriage machining.
- Enhanced Load Capacity: Provides three times the load capacity and 27 times the travel life compared to conventional linear bearings.
- High-Speed Performance: Supports travel speeds up to 10 ft/s (3 m/s) without reducing load capacity.
- Low Friction: Features a constant coefficient of friction as low as 0.001, allowing the use of smaller, more cost-effective drive components.
- Durable Construction: Equipped with wear-resistant, engineered polymer retainers and outer sleeves that reduce inertia and noise.
- Adjustable Fit: Radially floating bearing plates allow for precise diametrical fit-up, ensuring accurate and repeatable movement.
Specifications
- Shaft Diameter: 0.75 inches (19.05 mm)
- Center Line to Base: 0.937 inches (23.8 mm)
- Overall Dimensions: Length: 2.75 inches (69.85 mm), Width: 1.88 inches (47.75 mm), Height: 1.56 inches (39.62 mm)
- Dynamic Load Capacity: 470 lbf (2,090.664 N)
- Maximum Speed: 3 m/s (10 ft/s)
- Operating Temperature: Up to 185°F (85°C)
- Housing Material: Aluminum
- Bearing Material: Steel
Applications
Ideal for use in machine tools, packaging machinery, automotive assembly, semiconductor manufacturing, medical devices, and food processing equipment.
Additional Information
- Open Design: Suitable for continuously supported shafting.
- Integral Seals: Comes with double-lip integral wipers to keep out contaminants while retaining lubrication.
- Compatibility: Designed for use with Class L shafting.
The Thomson SPB12OPN Linear Super Pillow Block combines advanced engineering with durable materials to deliver superior performance in demanding linear motion applications.
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