Aluminum Sheave Housing

$34.07 - $49.75
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Aluminum Sheave Housing

The Aluminum Sheave Housing slides onto the flange of an aluminum cradle beam. Then the housing secures to the flange with the mounting fasteners. Made from 6061-T6 US aluminum. Features a no-weld design. The size of the web and flange determines which size housing you will need. All three sized housings accept sheaves up to 4 in. in diameter and 3/4 in. width. The beam size is measured by the web height. 6 in. web (4 in. flange), 8 in. web (5 in. flange), and 10 in. web (6 in. flange).

Mounting fasteners, sheaves, or axle bolts are not included.


Web Size: 6 in. 8 in. 10 in.
Flange Size: 4 in. 5 in. 6 in.
Weight: 2.55 lbs. 2.7 lbs. 2.8 lbs.
Dimensions: 4 7/8 in. L x 4 in. W x 5 3/8 in. H
5 7/8 in. L x 4 in. W x 5 3/8 in. H
6 7/8 in. L x 4 in. W x 5 3/8 in. H
Rating: 1.25 ton* 1.75 ton* 2.5 ton*
Fits Sheaves: 4 in. 4 in. 4 in.
Material: 6061-T6 US aluminum 6061-T6 US aluminum 6061-T6 US aluminum
Bearing Type: Bronze bushing Bronze bushing Bronze bushing
Fits Axle Bolt Size: 3/4 in. 3/4 in. 3/4 in.

* – Based on I-Beam Ratings. BH-USA rates the individual blocks based on the rating of the beam that they are designed to fit. BH-USA bases this on structural aluminum I-Beams 4.03#/ 4.70# and 8.64#. Each block is individually rated, multiply this rating by the number of blocks to help determine boat size ie: 4 blocks each at 2,000 lbs lifting 8,000 lbs. combined.

Product Overview

  • Made from 6061-T6 US aluminum
  • Slides onto the flange of the aluminum beam
  • Accepts sheaves up to 4 in. in diameter