THOMSON SPB32OPN SUPER PILLOW BLOCK LINEAR BALL BUSHING BEARING

Description:

The Thomson SPB32OPN Super Pillow Block Linear Ball Bushing Bearing is used in precision linear motion systems to provide smooth, self-aligning travel on continuously supported 2-inch precision shafts. Commonly installed in CNC machines, industrial automation equipment, heavy-duty material handling systems, packaging machinery, robotics, and automated manufacturing equipment, this open-type Super Ball Bushing® pillow block features an aluminum housing with a self-aligning recirculating ball bushing for accurate, low-friction linear motion. Maintenance teams and system integrators use this bearing for repair, retrofit, expansion, or replacement of continuously supported linear guide systems.

Applications:

The Thomson SPB32OPN is designed for heavy-duty linear motion applications including CNC machining centers, automated assembly systems, packaging equipment, conveyor systems, robotics, semiconductor manufacturing, inspection equipment, and custom OEM machinery. Its open configuration allows operation on continuously supported shafts, providing greater rigidity, high load capacity, smooth travel, and reliable positioning while compensating for minor shaft misalignment.

Technical Specifications:

• Manufacturer: Thomson Industries
• Manufacturer Part Number (MPN): SPB32OPN
• Product Type: Super Pillow Block Linear Ball Bushing Bearing
• Series: Super Ball Bushing® Bearing Pillow Block
• Bearing Style: Open
• Pillow Block Type: Single, Non-Adjustable
• Bearing Configuration: Single
• Self-Aligning: Yes
• Adjustable: No
• Nominal Shaft Diameter: 2.000 in (50.80 mm)
• Compatible Shaft Class: Thomson Class L / 60 Case® LinearRace® Supported Shafting
• Housing Material: Aluminum
• Bearing Type: Recirculating Linear Ball Bushing
• Overall Width (A): 6.000 in (152.40 mm)
• Overall Length (B): 4.750 in (120.65 mm)
• Body Width (A2): 2.440 in (61.98 mm)
• Shaft Center Height (H): 2.125 in (53.98 mm)
• Overall Height (H1): 3.630 in (92.20 mm)
• Mounting Hole Diameter (N): 0.410 in (10.41 mm)
• Recommended Mounting Bolt Size: 3/8 in
• Mounting Hole Center Distance (E2): 3.250 in (82.55 mm)
• Lubrication Port Thread: 1/4-28 UNF
• Dynamic Load Capacity: 2,350 lbf (10,453 N)
• Maximum Operating Temperature: 185°F (85°C)
• Weight: 6.0 lb (2.72 kg)
• Seals: Integral Double-Acting Seals
• Corrosion Resistance: Standard (Non-Corrosion Resistant)
• Features: Open design for continuously supported shafts, self-aligning bearing plates, lightweight aluminum housing, engineered polymer retainers, low-friction operation, quiet high-speed performance, and precision recirculating ball technology.

Common Replacements:

• Thomson SPB32OPN-LL
• Thomson SPB32OPN-NBADP
• Thomson SPB32OPN-NBLL