![Ronstan Series 40 Orbit BB Sheave [RF48000]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/1280x1280/products/17199/21804/97304XL__25109.1758881333.jpg?c=1 "Ronstan Series 40 Orbit BB Sheave [RF48000]")
![Ronstan Series 40 Orbit BB Sheave [RF48000]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/100x100/products/17199/21804/97304XL__25109.1758881333.jpg?c=1 "Ronstan Series 40 Orbit BB Sheave [RF48000]")
Product Description
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
Product Videos
Custom Field
MPN RF48000
![Ronstan Series 40 Orbit BB Sheave [RF48000]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/500x659/products/17199/21804/97304XL__25109.1758881333.jpg?c=1 "Ronstan Series 40 Orbit BB Sheave [RF48000]")
![Ronstan Series 40 Orbit Single BB Single Stand-Up Block [RF48140]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/500x659/products/17200/21805/97310XL__75029.1758881336.jpg?c=1 "Ronstan Series 40 Orbit Single BB Single Stand-Up Block [RF48140]")
![Ronstan Series 40 Orbit BB Quad Block w\/Swivel Shackle [RF48400]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/500x659/products/17202/21807/97318XL__60248.1758881341.jpg?c=1 "Ronstan Series 40 Orbit BB Quad Block w\/Swivel Shackle [RF48400]")
![Ronstan Series 40 Orbit BB Quin Block w\/Swivel Shackle [RF48500]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/500x659/products/17203/21808/97320XL__55596.1758881343.jpg?c=1 "Ronstan Series 40 Orbit BB Quin Block w\/Swivel Shackle [RF48500]")
![Ronstan Series 40 Orbit BB Double Block w\/Becket Swivel Shackle [RF48210]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/500x659/products/17201/21806/97314XL__74214.1758881338.jpg?c=1 "Ronstan Series 40 Orbit BB Double Block w\/Becket Swivel Shackle [RF48210]")
![Ronstan Series 40 Ball Bearing Orbit Block - Cheek [RF45151]](https://cdn11.bigcommerce.com/s-fzexhren17/images/stencil/500x659/products/8506/10161/70626XL__78957.1758858340.jpg?c=1 "Ronstan Series 40 Ball Bearing Orbit Block - Cheek [RF45151]")