Thomson SS6U8WW-CR Super Smart Ball Bearing Self Aligning OD 7/8 ID 1/2

Description:

The Thomson SS6U8WW-CR Super Smart Ball Bushing Closed Linear Bearing is used in precision linear motion systems to provide smooth, self-aligning travel on 1/2-inch Thomson Class L shafts. Commonly installed in CNC machines, robotics, packaging equipment, semiconductor systems, medical devices, and factory automation machinery, this corrosion-resistant closed linear bearing features two integral wipers to protect against contaminants while maintaining precise linear motion. Maintenance teams and system integrators use this part for repair, retrofit, expansion, or replacement of end-supported linear shaft systems.

Applications:

The Thomson SS6U8WW-CR is designed for end-supported linear shaft applications requiring corrosion resistance, smooth low-friction motion, and automatic self-alignment. It is widely used in food processing equipment, pharmaceutical machinery, laboratory automation, packaging systems, material handling equipment, inspection systems, and OEM machinery operating in washdown or corrosive industrial environments. Its dual integral wipers help retain lubrication while preventing dirt and debris from entering the bearing.

Technical Specifications:

• Manufacturer: Thomson Industries
• Manufacturer Part Number (MPN): SS6U8WW-CR
• Product Type: Super Smart Ball Bushing Linear Bearing
• Series: Super Smart Ball Bushing®
• Bearing Style: Closed
• Bearing Configuration: Single
• Adjustable: No (Fixed)
• Self-Aligning: Yes
• Corrosion Resistant: Yes
• Nominal Shaft Diameter (ID): 0.500 in (1/2 in / 12.7 mm)
• Outside Diameter (OD): 0.875 in (7/8 in / 22.23 mm)
• Overall Length: 1.230 in (31.24 mm)
• Body Length (C1): 1.032 in (26.21 mm)
• Minimum End Clearance (C2): 0.050 in (1.27 mm)
• Number of Ball Circuits: 6
• Compatible Shaft Class: Thomson Class L Shafting
• Wipers/Seals: Two Integral Wipers (WW)
• Lubrication: Standard Grease Lubrication
• Maximum Operating Temperature: 185°F (85°C)
• Dynamic Load Capacity: 185.5 lbf (825 N)
• Weight: 0.07 lb (0.032 kg)
• Features: Corrosion-resistant construction, patented steel-band design, universal self-alignment, smooth and quiet operation, low drag linear motion, dual integral wipers for contamination protection, extended bearing life compared to conventional linear ball bushings.

Common Replacements:

• Thomson SS6U8WW
• Thomson SS6U8W-CR
• Thomson SS6U8-CR