Thomson Linear Motion 7828131 Ball Spline Assembly

Description:

The Thomson Linear Motion 7828131 Ball Spline Assembly is used in precision linear motion systems to provide smooth linear travel while simultaneously transmitting high torsional loads through a splined shaft. Commonly installed in CNC machine tools, robotic automation systems, material handling equipment, packaging machinery, and industrial positioning systems requiring simultaneous linear and rotary motion. Maintenance teams, OEM machine builders, and system integrators use this ball spline assembly for replacement of worn spline bearings, machine retrofits, motion control upgrades, and restoration of precision linear motion performance. 

Applications:

The Thomson Linear Motion 7828131 Ball Spline Assembly is commonly used in CNC machining centers, robotic transfer systems, automated assembly equipment, semiconductor manufacturing machinery, packaging equipment, indexing systems, inspection machines, and industrial automation applications requiring high-speed, anti-friction linear motion with torque transmission. 

Technical Specifications:

• Manufacturer: Thomson Linear Motion
• Part Number: 7828131
• Product Type: Ball Spline Outer Race Assembly
• Series: Precision Ball Spline
• Configuration: Outer Race Only (No Inner Spline Shaft)
• Spline Nominal Diameter: 1.000 in
• Outside Diameter: 1.906 in
• Overall Length: 2.598 in
• Body Length (L1): 2.068 in
• Root Diameter: 0.800 in
• Number of Active Races: 6
• Ball Diameter: 0.187 in
• Number of Balls: 156
• Keyway Size: 0.250 × 0.125 × 1.625 in
• Preload: Non-Preloaded
• Return Style: End Cap
• Material: Steel
• Dynamic Torque Capacity: 2,600 in-lb
• Static Torque Capacity: 7,800 in-lb
• Maximum Diametral Lash: 0.005 in
• Maximum Operating Temperature: 300°F (149°C)
• Weight: 0.92 lb
• Compatible Inner Race: Thomson 5706084, 1.000 in Ball Spline Shaft
• Application: High-speed linear motion with simultaneous torque transmission in industrial automation systems.

Common Replacements:

• Thomson 5708944
• Thomson 7828130
• Thomson 5706084