Harken 75mm Double Footblock

Harken
SKU:
HK3235
|
UPC:
97653264521
$1,483.06
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TThe entire line of Black Magic® AirBlocks® has been redesigned with a sleek new look. Their unique, performance-packed engineering remains exactly the same.

Carrying some of the highest loads imposed by running rigging, these strong, lightweight blocks feature Torlon® roller bearings housed in a center cage. Rollers stay parallel for low-friction efficiency. Sculpted hardcoat-anodized aluminum sideplates protect sideload ball bearings. Dissimilar metals are isolated to minimize corrosion. Blocks are easily disassembled with a single hex wrench.

Either metric or imperial flathead fasteners may be used for mounting and are not exposed.

Part Number: HK3235

Specifications

Sheave Ø (mm) 75 mm
Sheave Ø (in) 2 15/16 in
Length (mm) 111 mm
Length (in) 4 3/8 in
Height (mm) 57 mm
Height (in) 2 1/4 in
Weight (g) 490 g
Weight (oz) 17.28 oz
Maximum line Ø (mm) 14 mm
Maximum line Ø (in) 9/16 in
Maximum working load (kg) 1572 kg
Maximum working load (lb) 465 lb
Breaking load (kg) 3143 kg
Breaking load (lb) 6930 lb
Number of fasteners 
Fasteners (mm) 8 FH mm
Fasteners (in) 5/16 FH in
A (mm) 10 mm
A (in) 3/8 in
B (mm) 29 mm
B (in) 1 1/8 in
C (mm) 71 mm
C (in) 2 13/16 in
D (mm) 21 mm
D (in) 13/16 in
E (mm) 76 mm
E (in) 3 in
F (mm) 110 mm
F (in) 4 5/16 in
G (mm) 16 mm
G (in) 5/8 in
 

 

Resources/References:

Need help to design your Harken system - take a look here for the Harken System Guides and Drawings

Or perhaps you need some other information (load calculators, block selectors, service instructions or manuals)?   Take a look here for all the official Harken Support Information