Jaw Coupling Hub, 3/8in., Aluminum MPN:JSC21-6-A

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Brand: RULAND
Part #: JSC21-6-A
UPC: 634529113387
SKU
510-G7905475
$99.58 for Order Qty of 2
Regular Price $69.71 Special Price $49.79

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Jaw Coupling Hub, 3/8in., Aluminum

This Jaw Coupling Hub from RULAND is a reliable and durable solution for connecting shafts in a variety of applications. With a maximum speed of 8,000 RPM, it's ideal for high-speed machinery and equipment. The aluminum construction provides a lightweight and corrosion-resistant option, making it suitable for use in harsh environments. The hub's curved jaw profile ensures secure and precise alignment, while the set screw locking mechanism provides easy installation and adjustment. Suitable for use in industrial, aerospace, and automotive applications, this coupling hub offers fail-safe operation and full bearing support, ensuring smooth and efficient power transmission.

Top product features:

  • Curved jaw profile for smooth engagement and reduced wear
  • Round bore with keyway for secure key installation and easy shaft alignment
  • Set screw shaft locking for secure and reliable shaft retention

Top product applications:

  • Power transmission in precision machinery
  • Automotive and aerospace applications requiring high-speed connections
  • Precision machinery and equipment where fail-safe operation is critical
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 3/64 in, Keyway Width 3/32 in, Bore Diameter 3/8 in, Shaft Locking Type Set Screw, Bore Type Round Bore with Keyway, 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: 1.30
  • Package Weight: 0.08
Product info last updated on February 24, 2026 6:22am UTC Category: Bearings, V-belts and Power Transmission Equipment
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In stock