Harken 40mm Zircon Blocks
HAR-2190
The most efficient small boat blocks Harken has ever made
Low Friction
Ceramic ball bearings
Soft attach
700% stronger than stainless balls
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NEW - 40mm Zircon Blocks from Harken
The most efficient small boat blocks Harken has ever made with industrial ceramic ball bearings mounted inside caged races.
More than 700% stronger in compression than stainless balls.
Ceramic is much harder and smoother than steel or composite.
Sheave and side plates are strong and reliable fibre-reinforced composite construction.
Structural head for soft attachment
| Part No. | Block Type | Sheave Ø | Length | Weight | Optimal line Ø | Maximum Working Load | Breaking Load | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2190 | 40 mm Single | 1 9/16 in | 40mm | 2 3/8 in | 60mm | 0.81 oz | 22.9 | 6mm | 250 lb | 115kg | 750 lb | 340 kg |
| 2191 | 40 mm Single w/becket | 1 9/16 in | 40mm | 2 7/8 in | 73mm | 0.93 oz | 26.5 | 6mm | 250 lb | 115kg | 750 lb | 340 kg |
| 2192 | 40 mm Double | 1 9/16 in | 40mm | 2 3/8 in | 60mm | 1.58 oz | 44.7 | 6mm | 500 lb | 230kg | 1500 lb | 680 kg |
| 2193 | 40 mm Double w/becket | 1 9/16 in | 40mm | 2 7/8 in | 73mm | 1.68 oz | 47.6 | 6mm | 500 lb | 230kg | 1500 lb | 680 kg |
- Block Size - 40 mm
