Description
Ronstan Series 55 BB Ball Bearing Orbit Block - Upright Lead
Manufacturer's Part Number: RF55171
Series 55 BB Ball Bearing Orbit Block - Upright Lead
Applications:
- Mainsheet systems on dinghies, sports boats and small keelboats to 9m (30ft)
- Halyard, Vang and Backstay application on boats to 8m (26ft)
- Control line applications on larger yachts
Features:
- Ultra Lightweight
- Low friction 2-stage Orbital ball bearing system
- Highest working load in its class
- Low profile and compact
- High performance cleating
Specifications:
- Sheave: 2-5/32"
- Max Rope: 3/8"
- MWL: 1100lb
- BL: 2200lb
- Weight: 3.2oz
Materials:
- Ball bearings - High compression strength carbon black Acetal
- Stage 2 bearing - Carbon fibre reinforced, PTFE impregnated Nylon
- Frame/Cheeks - Toughened, glass fibre reinforced Nylon
- Rope Link: UV stabilized, multi-strand impregnated SK75 Dyneema®
- Sheave: Carbon fibre reinforced, PTFE impregnated Nylon
- Ball Bearings: High compression strength carbon black Acetal
- Stage 2 Bearing: Carbon fibre reinforced, PTFE impregnated Nylon
Disclaimer: Descriptions and pictures are provided by the manufacturer and may be used for multiple variations or parts.
Manatee Max ships from multiple locations across the United States.
