Ronstan
Ronstan Series 30 Ball Bearing Orbit Block™ - Cheek
Ronstan Series 30 Ball Bearing Orbit Block™ - Cheek
SKU:OM-RONSTAN-SERIES30BALL-RF35151
Low stock: 2 left
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Overview
Keep sailing control lines moving with the Ronstan Series 30 Ball Bearing Orbit Block in cheek configuration. Its compact, lightweight construction suits dinghy sheet systems, small-boat rig controls and control lines on larger yachts.
Key features
- Ball bearings reduce friction as the rope runs through the block.
- Composite construction keeps the block's weight to 21g.
- A compact, low-profile shape helps accommodate installations with limited space.
- Glass-fiber-reinforced nylon cheeks provide a toughened supporting frame.
Specifications
- Configuration: Cheek
- Sheave diameter: 30mm (1-3/16")
- Maximum rope diameter: 8mm (5/16")
- Maximum working load: 300kg (660lbs)
- Breaking load: 600kg (1,320lbs)
- Weight: 21g (0.7oz)
- Sheave material: High-compression-strength carbon black acetal
- Ball bearing material: High-compression-strength acetal
- Frame/cheek material: Toughened, glass-fiber-reinforced nylon
- Link material: UV-stabilized, multi-strand impregnated SK75 Dyneema
Good to know
Listed applications include mainsheets and spinnaker sheets on dinghies up to 5m (16'), halyard, vang and backstay systems on boats up to 5m (16'), and control lines on larger yachts.
Specifications
| Brand | Ronstan |
|---|---|
| Manufacturer part # | RF35151 |
| UPC | 9316800404964 |
| Boxed dimensions | 4 x 2 x 1 in |
| Shipping weight | 0.1 lb |
| Country of origin | INDONESIA |
Manuals & documents
Shipping & returns
Free standard shipping
Standard shipping is free on every U.S. order — no minimum. Need it faster? Faster delivery options are available at checkout for qualifying orders. In-stock orders ship quickly with tracking; oversized and freight items may ship separately and can take a little longer. International rates are calculated at checkout.
30-day returns
Request a return within 30 days of delivery. Authorized returns are subject to a 15% restocking fee. Return shipping is paid by the buyer; items must be new and in original packaging. See our refund policy.
Genuine products
We source from authorized U.S. distributors. Every product is new, genuine and covered by the manufacturer warranty.
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