Nippon Bearing SMA8GUU Slide Bushing 8mm

Nippon Bearing SMA8GUU is a compact slide bushing linear bearing unit designed for smooth and precise linear motion on 8 mm shafts, commonly used in miniature automation and motion control applications. Manufacturer: Nippon Bearing (NB Corporation) Country of Manufacture: Japan Product Type: Slide Bushing Linear Bearing Unit Model: SMA8GUU Bearing Type: Linear motion ball bushing Bore Size: 8 mm Shaft Compatibility: 8 mm linear shaft Housing Type: Aluminum pillow block style housing Bearing Design: Recirculating ball linear bearing insert Number of Ball Circuits: Multiple internal recirculating ball tracks (typical NB design) Mounting Type: Two-bolt flange/pillow block mount Mounting Hole Configuration: Dual mounting holes on top surface Housing Material: Aluminum alloy Bearing Material: Hardened steel raceways with steel balls Surface Finish: Machined aluminum block with anodized or natural finish Sealing Type: Integrated seals on bearing insert for contamination protection Lubrication: Grease lubricated, relubrication possible Motion Type: Linear sliding motion with low friction Coefficient of Friction: Low due to ball recirculation design Load Capacity: Suitable for light to medium loads (exact rating depends on application) Precision: High precision linear guidance Operating Temperature: Typically −20°C to +80°C (depending on lubrication) Alignment: Designed for parallel shaft alignment systems Application Type: Linear motion component Typical Use: CNC machines, 3D printers, automation equipment, small machinery, robotics Construction: Compact aluminum housing with pressed-in linear ball bushing and mounting holes Maintenance: Periodic lubrication recommended for optimal performance Approximate Dimensions: Compact unit approx. 30–50 mm length, 20–40 mm width, 15–30 mm height Approximate Weight: 0.05–0.2 kg