57mm Aluminum Footblock

Part No. 3220

Sheave Ø (mm) 57 mm

Sheave Ø (in) 2 1/4 in

Maximum line Ø (mm) 12 mm

Maximum line Ø (in) 7/16 in

Maximum working load (kg) 1134 kg

Maximum working load (lb) 2500 lb

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Use footblocks to redirect lines on the deck. Footblocks with lockoffs temporarily secure sheets. Either metric or imperial flathead fasteners may be used for mounting and are not exposed. Sideplates and sheaves Hard Lube-anodized for maximum UV protection and a smooth surface. Center cage keeps Torlon® roller bearings separated and parallel to reduce friction. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.

Specifications Resources Spare Parts

Sheave Ø (mm)	57 mm
Sheave Ø (in)	2 1/4 in
Length (mm)	84 mm
Length (in)	3 5/16 in
Height (mm)	25 mm
Height (in)	1 in
Weight (g)	122 g
Weight (oz)	4.29 oz
Maximum line Ø (mm)	12 mm
Maximum line Ø (in)	7/16 in
Maximum working load (kg)	1134 kg
Maximum working load (lb)	2500 lb
Breaking load (kg)	2268 kg
Breaking load (lb)	5000 lb
Number of fasteners	4
Fasteners (mm)	6 FH mm
Fasteners (in)	1/4 FH in
A (mm)	9.5 mm
A (in)	3/8 in
B (mm)	22.5 mm
B (in)	7/8 in
C (mm)	51.5 mm
C (in)	2 1/32 in
D (mm)	16 mm
D (in)	5/8 in
E (mm)	59 mm
E (in)	2 5/16 in
F (mm)	84 mm
F (in)	3 5/16 in
G (mm)	13 mm
G (in)	1/2 in

Drawing - DXF 3220.DXF.zip 0.06 MB Drawing - DWG 3220.DWG.zip 0.07 MB 3D drawing - IGS 3220.IGS.zip 0.59 MB Manual 4546.pdf 1.22 MB Photo - EPS 3220.eps.zip 1.45 MB Photo - JPG 3220.jpg 0.11 MB

ID BOM	Qty		Price
HFS796	3	more info	$0.32	Add to cart
Fastener - M4 x .7 x 12mm Socket Head Cap Screw, Black Fasten with M4 hex wrench.
HBB85	1	more info	$29.95	Add to cart
Roller Cage Assembly - 57mm Black Magic Block Center cage keeps Torlon® roller bearings separated and parallel to reduce friction.
H-34389A	1	more info	$28.05	Add to cart
Sheave Assembly - 57mm Black Magic Block Sheaves are Hard Lube-anodized for maximum UV protection and a smooth surface. Captive Delrin® ball bearings carry side loads.
AL-3715	1	more info	$83.45	Add to cart
Top Plate with Isolators - 57mm Black Magic Footblock Sideplates are Hard Lube-anodized for maximum UV protection and a smooth surface.
AL-3716	1	more info	$89.90	Add to cart
Bottom Plate with Helicoils - 57mm Black Magic Footblock Sideplates are Hard Lube-anodized for maximum UV protection and a smooth surface. Dissimilar metals isolated to prevent corrosion.