Thomson SUPER 12-OPN Super Ball Bushing Linear Bearing

Description:

The Thomson SUPER12-OPN Super Ball Bushing Linear Bearing is used in precision linear motion systems to provide smooth, self-aligning linear travel on 0.750-inch (3/4-inch) Class L continuously supported round shafts. Commonly installed in CNC machines, industrial automation equipment, robotics, packaging machinery, semiconductor equipment, and material handling systems, this open-style adjustable linear bearing features five ball circuits, lightweight construction, and a low-friction design for accurate, repeatable motion. Maintenance teams and system integrators use this part for repair, retrofit, expansion, or replacement of continuously supported round shaft linear guide systems.

Applications:

The Thomson SUPER12-OPN is designed for Class L continuously supported shaft applications requiring precise positioning, automatic self-alignment, and low-friction operation. Its open design accommodates supported shafting while the adjustable bearing plates allow accurate diametrical fit-up, making it ideal for CNC machining centers, robotics, automated assembly equipment, packaging machinery, semiconductor manufacturing, inspection systems, and other high-precision OEM linear motion applications.

Technical Specifications:

• Manufacturer: Thomson Industries
• Manufacturer Part Number (MPN): SUPER12-OPN
• Alternate Part Number: SUPER12OPN
• Product Type: Super Ball Bushing Linear Bearing
• Series: Super Ball Bushing®
• Bearing Style: Open
• Bearing Configuration: Single Linear Bearing
• Material: Steel with Engineered Polymer Retainers
• Bearing Type: Ball Bushing Linear Bearing
• Adjustable: Yes
• Self-Aligning: Yes
• Nominal Bore (ID): 0.750 in (19.05 mm)
• Outer Diameter (OD): 1.250 in (31.75 mm)
• Overall Length: 1.875 in (47.63 mm)
• Number of Ball Circuits: 5
• Compatible Shaft Class: Class L Continuously Supported Shafting
• Slot Opening Width (E): 0.430 in (10.92 mm)
• Retaining Groove Diameter (F): 0.140 in (3.56 mm)
• Retaining Groove Width (G): 0.130 in (3.30 mm)
• Retaining Ring Groove Width (C2): 0.056 in (1.42 mm)
• Dynamic Load Capacity: 470 lbf (2,091 N)
• Maximum Operating Temperature: 185°F (85°C)
• Weight: 0.12 lb (0.054 kg)
• Roll Pack: No
• Food Grade Rated: No
• Corrosion Resistance: Standard (Not Corrosion Resistant)
• Seals: None
• Features: Open design for continuously supported shafts, patented Super Ball Bushing® technology, adjustable preload capability, self-aligning bearing plates, low coefficient of friction, engineered polymer retainers, lightweight construction, reduced operating noise, and long service life. 

Common Replacements:

• Thomson SUPER12-OPN-DD
• Thomson SUPER12OPN-RP
• Thomson SUPER12OPN-NBALLRP