Jaw Coupling Hub, 20mm, Aluminum MPN:MJS57-20-A

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Brand: RULAND
Part #: MJS57-20-A
UPC: 634529068274
SKU
510-G7996886
Regular Price $166.31 Special Price $118.79

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Jaw Coupling Hub, 20mm, Aluminum

The RULAND Jaw Coupling Hub is a reliable and efficient solution for connecting shafts in industrial applications. Its aluminum construction provides a lightweight and corrosion-resistant option for high-speed operations up to 8,000 RPM. The curved jaw profile and set screw shaft locking ensure secure and precise alignment, while the fail-safe design prevents damage in case of misalignment. Suitable for applications in robotics, material handling, and packaging, this hub offers full bearing support and is ideal for use in environments where precision and reliability are paramount. Its compact size and easy installation make it a versatile choice for a variety of industries.

Top product features:

  • Curved jaw profile for secure engagement with mating components
  • Round bore for smooth shaft rotation
  • Set screw shaft locking for secure attachment to shafts

Top product applications:

  • Power transmission applications where a high RPM and precise alignment are required
  • Conveying systems that need to transfer power between two shafts with a curved jaw profile
  • High-speed machinery that requires a fail-safe jaw coupling hub with a bore diameter of 20 mm
Jaw Coupling Hub, Coupling Size MJS57, Outside Diameter 57.2 mm, Coupling Overall Length 80 mm, System of Measurement Metric, Hub Material Aluminum, Maximum Speed 8,000 RPM, Keyway Depth Not Applicable, Keyway Width Not Applicable, Bore Diameter 20 mm, Shaft Locking Type Set Screw, Bore Type Round Bore, Jaw Profile Curved, Screw Thread Size M8, Bore Tolerance +0.05/-0.00 mm, Fail Safe Yes, Shaft Tolerance +0.000/-0.013 mm, Full Bearing Support Required Yes, Hub Diameter 57.2 mm

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: 2.30
  • Package Weight: 0.49
Product info last updated on February 28, 2026 11:10pm UTC Category: Bearings, V-belts and Power Transmission Equipment
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