Ronstan
Ronstan Series 25 Ball Bearing Orbit Block™ - Becket & Swivel Shackle
Ronstan Series 25 Ball Bearing Orbit Block™ - Becket & Swivel Shackle
SKU:OM-RONSTAN-SERIES25BALL-RF28100
Low stock: 1 left
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Overview
Set up dinghy sheets and control lines with the Ronstan Series 25 Ball Bearing Orbit Block. This single-sheave version combines a swivel shackle head with a becket hub for attachment and line take-off options on small-boat rigs.
Key features
- Two-stage ball bearings support sheave rotation as the line runs through the block.
- A swivel shackle head provides an attachment that can turn.
- The hollow stainless steel hub allows a through-sheave becket take-off.
- Accepts lines up to 8mm for a range of sheet and control-line arrangements.
- Suitable for cascading vangs, leech lines and cunninghams, as well as sheet turning duties.
Specifications
- Series: 25 Ball Bearing Orbit Block
- Configuration: Single sheave, becket hub and swivel shackle head
- Sheave diameter: 25mm (1 inch)
- Maximum rope diameter: 8mm (5/16 inch)
- Hub lashing capacity: Up to 4mm (5/32 inch)
- Maximum working load: 500 lb
- Breaking load: 990 lb
- Weight: 0.6 oz
- Frame and cheeks: Toughened, glass-fiber-reinforced nylon
- Sheave and balls: High-compression-strength acetal
- Hub material: Stainless steel
Good to know
Listed sheet applications include mainsheet and spinnaker sheet turning on dinghies up to 4m (13 feet).
Specifications
| Brand | Ronstan |
|---|---|
| Manufacturer part # | RF28100 |
| UPC | 9316800661916 |
| Boxed dimensions | 5 x 2 x 1 in |
| Shipping weight | 0.02 lb |
Shipping & returns
Free standard shipping
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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.
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We source from authorized U.S. distributors. Every product is new, genuine and covered by the manufacturer warranty.
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