HARKEN 40MM ZIRCON BLOCK

Harken SKU: 28-2190
Harken 40 mm Zircon Block Murrays Part# 28-2190 ​Zircon blocks help trimmers match sail shapes to new conditions immediately. At the core of the Zircon performance are industrial ceramic ball bearings mounted inside caged races. The cages keep these bearings separated so they don’t bunch, touch, and stop each other. The result is the most efficient small boat block Harken has ever made. Zircon blocks are available in 40- and 57-mm sheaves in single and double blocks, with or without beckets.

HARKEN 40MM ZIRCON BLOCK

Harken SKU: 28-2190
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Harken 40mm Zircon Block

Murrays Part# 28-2190


​Zircon blocks help trimmers match sail shapes to new conditions immediately. At the core of the Zircon performance are industrial ceramic ball bearings mounted inside caged races. The cages keep these bearings separated so they don’t bunch, touch, and stop each other. The result is the most efficient small boat block Harken has ever made. Zircon blocks are available in 40- and 57-mm sheaves in single and double blocks, with or without beckets.

Specifications:

  • Maximum working load (kg) 115 kg
  • Maximum working load (lb.) 250 lb.
  • Maximum line Ø (mm) 8 mm
  • Maximum line Ø (in) 5/16 in
  • Sheave Ø (mm) 40 mm
  • Sheave Ø (in) 1 9/16 in

Harken Part# 2190

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