Balanced Shaft Collar, 2pc, Bore 2.1250", Aluminum, OD 3 1/4" MPN:SPB-34-A

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Brand: RULAND
Part #: SPB-34-A
UPC: 634529302545
SKU
510-G3404487
Regular Price $191.51 Special Price $136.79

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Balanced Shaft Collar, 2pc, Bore 2.1250", Aluminum, OD 3 1/4"

The Ruland Balanced Shaft Collar is a premium solution for high-performance applications requiring precise alignment and load-bearing capabilities. Its two-piece design allows for in-place installation and servicing, minimizing downtime and reducing the risk of damaging adjacent components. The collar's balanced design and tightly controlled face-to-bore perpendicularity ensure optimal performance in high-RPM applications. Ideal for use as a mechanical stop, load-bearing face, or component alignment, this shaft collar is manufactured from high-strength 2025 aluminum and features a fine burr-free finish for increased screw seating torque. Suitable for use in aerospace, medical, and industrial applications where precision and reliability are paramount.

Top product features:

  • The shaft collar does not mar the shaft.
  • The shaft collar is infinitely adjustable.
  • The shaft collar has superior holding power when compared to set screw collars.

Top product applications:

  • Mechanical stop
  • Component alignment
  • Load bearing face
Ruland clamp style shaft collars do not mar the shaft, are infinitely adjustable, and have superior holding power when compared to set screw collars. This two-piece shaft collar has a 2.1250" bore, 3 1/4" OD, and 0.750" width. It has a balanced design for better performance in high RPM applications. Tightly controlled face to bore perpendicularity is maintained (TIR of < 0.002") which is critical when the collar is used as a load bearing face, mechanical stop, or for component alignment. The work surface is identified by one groove on the face allowing the user to easily identify which side is precision faced. The two-piece design allows this collar to be installed or serviced in-place without the need to remove adjacent components. Halves are mated throughout the manufacturing process for precise fit and increased holding power. This collar is stamped with the Ruland name and bore size for ease of identification. It is manufactured from high strength 2025 aluminum to a fine burr-free finish for increased screw seating torque. Hardware tests beyond ANSI standards for maximum holding power. It is RoHS and REACH compliant.

Additional Information

  • Country of Origin: US
  • Drop Ship Item: Yes
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 2 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 10.00
  • Package Width: 8.00
  • Package Height: 1.00
  • Package Weight: 0.36
Product info last updated on January 19, 2026 10:54pm UTC Category: Bearings, V-belts and Power Transmission Equipment
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