Ronstan Series 30 Ball Bearing Orbit Block Single Becket Swivel Shackle Head RF35100

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Ronstan

Ronstan Series 30 Ball Bearing Orbit Block - Single - Becket - Swivel Shackle Head [RF35100]

$24.54

$28.87

(120)

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Series 30 Ball Bearing Orbit Block - Single - Becket - Swivel Shackle Head

Ball Bearing Orbit Blocks boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options.
Their precision design provides the optimum number of ball bearings for minimum friction while weight reduction is achieved through the use of fiber-reinforced composites in the block head, cleat arms and beckets.

Features:

Lightweight
Highest working load in its class
Secure, versatile and secure attachement
Low profile and compact
Ultra low profile thru-sheave becket
Low friction 2-stage ball bearing system provides consistent performance over the full working load range

Applications:

Mainsheet systems and spinnaker sheets on dinghies to 5M(16')
Halyard, vang and backstay applications on boats to 5M(16')
Control line applications on larger yachts

Materials:

Sheave: High compression strength carbon black Acetal
Ball Bearings: High compression strength Acetal
Frame/Cheeks: Toughened, glass fiber reinforced Nylon
Link: UV stabilized, multi-strand impregnated SK75 Dyneema®

Specifications:
Sheave Ø: 30mm(1-3/16")
Max. Rope Ø: 8mm(5/16")
M.W.L.: 300kg(660lbs)
B. L.: 600kg(1,320lbs)
Weight: 32g(1.1oz)

Quick Guide (pdf)