![Ronstan Series 40 Orbit BB Sheave [RF48000]](https://www.greathardwarehub.com/wp-content/uploads/2026/09/ronstan-series-40-orbit-bb-sheave-rf48000.webp)
Series 40 Orbit BB Sheave
Ball Bearing versions incorporate the 2-stage bearing system using ball bearings to minimize friction and a secondary full-contact bearing to maintain low friction across the full working load range.
Specifications:
- Sheave
- Captive BB
- Width: 15.5mm/5/8″
- Sheave Diameter: 40mm/1-9/16″
- Maximum Rope: 10mm/3/8″
- M.W.L.: 400kg/880lbs
- Weight: 30g/1.1oz
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