Description

B Bushing With 38mm Bore

Precision-machined B Bushing with 38mm bore designed for high-torque industrial drive systems, including belt pulleys, sprockets, and synchronous drives. As a standard Quick-Disconnect (QD) bushing, it features a tapered design with a continuous split through the flange and taper, ensuring exceptional clamping force and easy installation on drive shafts.

Manufactured from high-grade steel, our 38mm QD bushings are fully interchangeable with major industry brands. They provide reliable retention, minimal maintenance, and extreme durability under demanding operating conditions in power transmission and agricultural machinery.

B Bushing 38mm Bore Dimensions & Specifications

B Bushing 38mm Dimensions Diagram

Bushing Type B Series (Quick-Disconnect)
Bore Size 38 mm
Overall Length (L) 1-15/16″
Flange Thickness (U) 1/2″
Set Screw Centerline (T) 1-7/16″
Large End Diameter (D) 2.625″
Small End Diameter (D) 2.557″
Bolt Circle Diameter (H) 3-11/16″
Flange Diameter (V) 3-1/8″
Dimension W 1/2″
Dimension X 13/16″
Dimension Y 7/32″
Dimension R 1/4″
Dimension S 1/4″
Cap Screw Quantity 3
Cap Screw Size 5/16″ x 1-1/4″
Average Weight 1.8 lbs
Wrench Torque 192 lbs-in

Installation & Removal Instructions

Installation:

  1. Ensure the shaft, bushing cone, and hub bore are clean and free of lubricants or anti-seize compounds.
  2. Insert the bushing into the matching hub or sprocket.
  3. Align cap screws loosely into the pull-up holes to allow a slip fit onto the shaft.
  4. Position the unit on the shaft using the keyway, then incrementally tighten cap screws in a cross pattern to 192 lbs-in torque. Maintain a slight gap between the flange and hub.

Removal:

  1. Loosen and completely remove all cap screws.
  2. Insert cap screws into the threaded removal holes on the flange.
  3. Tighten the screws evenly in sequence until the bushing releases its grip on the tapered shaft.

QD Bushing Installation Structure

Explore More QD Bushings & Hubs Specs →

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