The 8 in. Aluminum Cradle Beam is an extruded aluminum I-beam with sheave housing mounted on the ends of the flange. Sheave housings accommodate 4 in. aluminum sheaves with a bronze bushing. Using an axle bolt with washers and a nut holds sheave in place.
Made from marine-grade, extruded 6o61-T6 US aluminum. No weld construction. The sheave housings include the cradle beam mounting fasteners. Measures either 14 ft. L or 16 ft. L x 10 in. web x 6 in. flange. .250 in. web thickness. .410 in. flange thickness. 6.307 lbs. per linear ft.
Ships loose freight only.
4 in. sheave and axle bolt is not included.
6061-T6 Marine-Grade US Aluminum
6061-T6 is an all-around popular grade of aluminum. Commonly used in marine applications. Very good corrosion resistance. Precipitation hardened. These grades, for the most part, have additional chromium and manganese to help protect them from corrosive marine conditions. The aluminum channel falls into this category.
Specifications
Material:
Aluminum
Type:
6061-T6 US
Style:
Marine-grade extruded
Beam Type:
Structural
Web Size (A):
10 in.
Flange Size (B):
6 in.
Web Thickness (C):
.250 in.
Flange Thickness:
.410 in.
Beam Wt./Lin Ft.:
8.646 lbs. (per ft.)
Shipment Type:
Loose freight / Local pickup
Sheave Housing Dimensions:
10 in. web x 6 in. flange
Accepts:
4 in. aluminum sheave
Material:
Aluminum
Sheave Bolt Bore:
3/4 in.
Fasteners Material:
316 stainless steel
Bolt Type:
Hex head
Bolt Amount:
4
Bolt Size:
1/2 in. x 2 1/2 in.
Washer Type:
Lock
Washer Amount:
4
Washer Size:
1/2 in.
Nut Amount:
4
Nut Size:
1/2 in.
All boat cradles, cradle beams, and boat lift ship freight. It is the responsibility of the purchaser to unload the freight from the delivery truck. The purchaser must be present during delivery. For more questions, visit our shipping terms and conditions.
Drilling into the aluminum structural beam compromises the integrity of the aluminum structural beam.
BH-USA will refund your purchase price for eligible items up to 60 days from the purchase date.
Using our easy return system enter your order number or log into your account and if your item is eligible for return a return link will be displayed. Simply follow the link to get a pre-paid UPS label. BH-USA will only accept returns that are processed through the BH-USA easy return system. Items that were not purchased directly through BH-USA are not eligible for returns.