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Submit search Home > Products > Motors Category > Parts & Accessories > Boat Parts > Sailing Hardware & Gear > Sailing Rigging & Fittings > Ronstan Rf35151 Series 30 Ball Bearing Orbit Block Cheek Condition :New Price: $20.54 Sale Price: $17.46 Savings: $3.08 MPN : RF35151 UPC : 9316800404964 Shipping From: Quantity in Stock:4 Order Now & Get it by: Qty: Description Extended Information/Manuals Series 30 Ball Bearing Orbit Block - CheekBall 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:LightweightHighest working load in its classSecure, versatile and secure attachementLow profile and compactApplications: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 yachtsMaterials:Sheave: High compression strength carbon black AcetalBall Bearings: High compression strength AcetalFrame/Cheeks: Toughened, glass fiber reinforced NylonLink: 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:21g(0.7oz) Quick Guide Related Items Harken 469 Micro Cam-Matic Aluminum Cleat Kit Wire Fairlead Harken 225 22Mm Micro Block Becket Ronstan Rf30100 Series 30 Utility Ball Bearing Block Single Swivel Shackle Head Harken 406 16Mm Double Block Sale Price: $42.95 Add to Cart Sale Price: $15.95 Add to Cart Sale Price: $29.46 Add to Cart Sale Price: $36.27 Add to Cart Schaefer Marine 17-59 T-Track Stainless Steel Slider 1" X 1/8" Lined C. Sherman Johnson 27-410 Interlocking Swivel Gate Eye 3/16" Wire Ronstan Rf20332 Series 20 Ball Bearing Block Triple Becket Cam Cleat 2-Axis Harken 407 16Mm Double Block Becket Sale Price: $101.03 Add to Cart Sale Price: $44.33 Add to Cart Sale Price: $87.35 Add to Cart Sale Price: $36.95 Add to Cart