Jaw Coupling Hub, 5/8in., Aluminum MPN:JS21-10-A

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Brand: RULAND
Part #: JS21-10-A
UPC: 634529068717
SKU
510-G7957817
$95.58 for Order Qty of 2
Regular Price $66.91 Special Price $47.79

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Jaw Coupling Hub, 5/8in., Aluminum

The RULAND Jaw Coupling Hub is a versatile and reliable component designed to connect shafts in demanding applications. With a maximum speed of 8,000 RPM, this aluminum hub is ideal for use in high-speed machinery, such as conveyor systems, pumps, and gearboxes. Its curved jaw profile provides secure engagement and disengagement, while the set screw shaft locking mechanism ensures a rigid connection. Suitable for use in a variety of industries, including aerospace, automotive, and industrial manufacturing, this hub offers fail-safe operation and full bearing support, making it an excellent choice for applications requiring precision and reliability.

Top product features:

  • Curved jaw profile for improved grip and alignment of connected shafts
  • Set screw shaft locking for secure and easy installation
  • Round bore diameter with a tolerance of +0.002/-0.000 in for precise fit and reduced vibration

Top product applications:

  • Power transmission in low-speed applications
  • Pneumatic and hydraulic systems
  • Gearbox and motor shaft connection
Jaw Coupling Hub, Coupling Size JS21, Outside Diameter 1 5/16 in, Coupling Overall Length 1 3/4 in, System of Measurement Inch, Hub Material Aluminum, Maximum Speed 8,000 RPM, Keyway Depth Not Applicable, Keyway Width Not Applicable, Bore Diameter 5/8 in, Shaft Locking Type Set Screw, Bore Type Round Bore, Jaw Profile Curved, Screw Thread Size M4, Bore Tolerance +0.002/-0.000 in, Fail Safe Yes, Shaft Tolerance +0.0000/-0.0005 in, Full Bearing Support Required Yes, Hub Diameter 1 5/16 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: 1.40
  • Package Weight: 0.08
Product info last updated on February 16, 2026 4:01pm UTC Category: Bearings, V-belts and Power Transmission Equipment
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