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Ronstan "Orbit" Ball Bearing Upright Lead Block - 55mm

Ronstan "Orbit" Ball Bearing Upright Lead Block - 55mm

SKU: 504600

$57.80 / EA

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Orbit™ Upright Lead Block

Series 55 Ball Bearing

Kilogram for kilogram of working load, Ball Bearing Orbit Blocks™ are the world's lightest. The unique orbital design allows the bearing to be only in the active areas of the floating sheave. Weight and bulk are further reduced in the different block configurations.


Features:


  • Ultra lightweight
  • Low friction 2-stage Orbital ball bearing system
  • Highest working load in its class
  • Low profile and compact
  • High-performance cleating

Materials:

  • Ball Bearings - High compression strength carbon black Acetal
  • Stage 2 Bearing - Glass fibre reinforced, PTFE-impregnated nylon
  • Frame/Cheeks - Toughened, glass-fibre-reinforced nylon
  • Sheave - Carbon fibre reinforced, PTFE-impregnated nylon

Applications:

  • Halyard, vang & backstay applications on boats to 26 ft. (8m)
  • Control line applications on larger yachts

Specifications:

  • Sheave Diameter - 2-5/32" (55mm)
  • Max Rope Diameter - 3/8" (10mm)

Mfg No. RF55171

Description Upright lead block

Max Working Load 1,100 Lbs (500kg)

Breaking Load 2,200 Lbs (1,000kg)

Weight 3.2 oz. (91g)

MSRP
$57.80
U/M
/ EA
Price
$57.80
Part Number
RF55171
Manufacturer
RONSTAN INTERNATIONAL
Quantity Available
2
Quantity On Order
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