Coupling, 4 Beam Set Screw, 1/2inx 5/16in MPN:PSR20-8-5-A

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Brand: RULAND
Part #: PSR20-8-5-A
UPC: 634529034262
SKU
510-G8058732
Regular Price $124.59 Special Price $88.99

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Coupling, 4 Beam Set Screw, 1/2inx 5/16in

This Ruland coupling is a high-performance motion control solution ideal for applications requiring precise angular misalignment, such as robotics, CNC machines, and precision assembly equipment. Its four-beam design and aluminum construction provide a high level of torsional stiffness and resistance to fatigue, ensuring reliable operation even at high speeds of up to 6,000 RPM. With a maximum torque of 52 in-lb and axial motion of 0.01 in, this coupling is suitable for a wide range of applications, including precision positioning, vibration damping, and high-speed synchronization. Its compact size and versatility make it an excellent choice for many industries.

Top product features:

  • Angular misalignment of 3 degrees
  • Maximum speed of 6,000 RPM
  • Torsional stiffness of 8.33 in-lb/Deg

Top product applications:

  • Power transmission in small robotic arms
  • Positioning systems in medical equipment
  • High-speed CNC machinery
Motion Control Coupling, Angular Misalignment 3 Degrees , Bore Diameter 1 1/2 in, Bore Diameter 2 5/16 in, Coupling Material Aluminum, Coupling Outside Diameter 1 1/4 in, Maximum Speed 6,000 RPM, Maximum Torque 52 in-lb, Axial Motion 0.01 in, Overall Length 1 1/2 in, Parallel Misalignment 0.015 in, System of Measurement Inch, Different Bore Sizes Yes, Torsional Stiffness 8.33 in-lb/Deg, Bore Type Round, Shaft Locking Type Set Screw, Number of Beams 4, Length Through Bore 2 0.7 in

Additional Information

  • Country of Origin: US
  • Drop Ship Item: Yes
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 5 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 6.00
  • Package Width: 4.00
  • Package Height: 1.30
  • Package Weight: 0.60
Product info last updated on February 6, 2026 6:44pm UTC Category: Bearings, V-belts and Power Transmission Equipment
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