2 in. Aluminum Single Belt Motor Pulley

$14.20 - $15.10
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2 in. Aluminum Single Belt Motor Pulley

The 2 in. Aluminum Single Belt Motor Pulley mounts to the drive shaft of a 56 NEMA electric motor. 56F, clawfoot motor, mounts on a flat-plate hoist. The pulley uses a set screw to secure the pulley onto the drive shaft.

Machined from marine grade 6061-T6 US aluminum. The 5/8 in. center bore slides right on the drive shaft. The pulley mounts on every type of 56 electric boat lift motor BH-USA sales. Retail packaging is a clam pack for hanging on store shelves. No packaging is just the pulley without the clam pack.

The Motor key stock is not included with the pulley.


  1. Remove the pulley from the package.
  2. Loosen the set screw on the pulley so it will slide effortlessly on the drive shaft.
    Remember: Set screw should be the closest to the motor frame with the pulley grooves facing the end of the drive shaft.
  3. Slide a key stock into the drive shaft groove, then slide the pulley on the key stock using the pulley’s key stock groove.
  4. Tighten set screw. This will tighten onto the key stock holding both the key stock and pulley into place when the motor is turning.

Dimensions: 2 in. L x 2 in. W x 2 in. H
Material: 6061-T6 US aluminum
Construction: Machined
Fits: 56 (Clawfoot)
Belt Style: Single belt
Bore Type: Center bore
Bore Size: 5/8 in. (.630 in.)
Set Screw: Yes
Set Screw Size: 3/8 in. x 3/8 L
Set Screw Thread: 3/8-16 Coarse
Set Screw Thread Count: 16
Packaging: Clam (Retail)
Manufacturer: BH-USA

Product Overview

  • Provides little-to-no slippage on the pulley
  • Made from machined 6061-T6 US aluminum
  • Mounts to drive shaft of 56 motors
  • Pulley mounts at the end of the motor driveshaft
  • Turns single drive belt
  • Retail packaging is a clam pack for store shelves
  • No packaging is just the pulley without the clam pack