Thomson SSUPBO8 Super Pillow Block Linear Ball Bushing Bearing

Description:

The Thomson SSUPBO8 Super Smart Ball Bushing Open Pillow Block Linear Bearing is used in precision linear motion systems to provide smooth, self-aligning motion on 1/2-inch precision shafts with continuously supported rail applications. Commonly installed in CNC machines, industrial automation equipment, robotics, packaging machinery, semiconductor equipment, and material handling systems, this open-style adjustable pillow block features a Super Smart Ball Bushing®, precision aluminum housing, and integral double-acting seals for low-friction, high-accuracy linear motion. Maintenance teams and system integrators use this part for repair, retrofit, expansion, or replacement of supported round shaft linear guide systems.

Applications:

The Thomson SSUPBO8 is designed for continuously supported Class L round shaft applications where adjustable preload, automatic self-alignment, and high load capacity are required. It is widely used in CNC routers, automated assembly systems, robotics, semiconductor manufacturing, packaging equipment, inspection systems, medical devices, and custom OEM machinery requiring precise linear guidance and rigid shaft support.

Technical Specifications:

• Manufacturer: Thomson Industries
• Manufacturer Part Number (MPN): SSUPBO8
• Product Type: Super Smart Ball Bushing Open Pillow Block Linear Bearing
• Series: Super Smart Ball Bushing® (SSUPBO)
• Bearing Style: Open
• Bearing Configuration: Single Adjustable Pillow Block
• Housing Material: Aluminum Alloy
• Bearing Type: Super Smart Ball Bushing®
• Adjustable: Yes
• Self-Aligning: Yes
• Nominal Bore (ID): 0.500 in (12.70 mm)
• Compatible Shaft Class: L Inch Shafting (Continuously Supported)
• Overall Height (A): 2.000 in (50.80 mm)
• Overall Length (B): 1.500 in (38.10 mm)
• Mounting Hole Spacing (E1): 1.688 in (42.88 mm)
• Mounting Hole Center Distance (E): 1.000 in (25.40 mm)
• Minimum Mounting Edge Distance (E2): 0.310 in (7.87 mm)
• Housing Width (G): 0.500 in (12.70 mm)
• Housing Height (G1): 0.890 in (22.61 mm)
• Flange Thickness (F1): 0.250 in (6.35 mm)
• Mounting Hole Diameter (N): 0.160 in (4.06 mm)
• Lubrication Fitting: 1/8 in Alemite 1877
• Dynamic Load Capacity: 360 lbf (1,601 N)
• Maximum Operating Temperature: 85°C (185°F)
• Weight: 0.23 lb (0.104 kg)
• Roll Pack: No
• Food Grade Rated: No
• Corrosion Resistance: Standard (Not Corrosion Resistant)
• Features:Patented Super Smart Ball Bushing® technology, adjustable preload, open bearing design for supported shafts, universal self-alignment, integral double-acting seals, precision recirculating ball system, smooth low-friction operation, and extended service life. 

Common Replacements:

• Thomson SSUPBO8-NBA
• Thomson SSUPBO8-DP
• Thomson SSUPBO8-CR