Overview
Keep rope moving through a sailing block with the Ronstan Series 40 Orbit BB Sheave. Its two-stage bearing arrangement uses ball bearings and a secondary full-contact bearing to maintain low friction across the working load range.
Key features
- Ball bearings reduce friction as the sheave turns.
- A secondary full-contact bearing helps maintain low friction as the load changes.
- Accepts rope up to 10 mm (3/8 inch), giving you a clear size limit when choosing line.
Specifications
- Brand: Ronstan
- Series: 40 Orbit
- Sheave type: Captive ball bearing
- Width: 15.5 mm / 5/8 inch
- Sheave diameter: 40 mm / 1-9/16 inches
- Maximum rope diameter: 10 mm / 3/8 inch
- Maximum working load: 400 kg / 880 lb
- Weight: 30 g / 1.1 oz
Specifications
| Brand | Ronstan |
|---|---|
| Manufacturer part # | RF48000 |
| UPC | 9316800644797 |
| Boxed dimensions | 3 x 2 x 1 in |
| Shipping weight | 0.1 lb |
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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