Series 55 BB Orbit Block, Cheek RF55151
Cheek block with recessed underside to suit cruved mounting surface
In stock
SKU
RF55151
€52.99
€52.99
Ronstan Series 55 BB Orbit Block, Cheek
Sheave Ø 55 mm
Max. Rope Ø 10 mm
Max. Cable Ø - mm
Pin Ø - mm
M.W.L. 500 kg
B. L. 1000 kg
Weight 70 g
FEATURES
• Ultra LightWeight
• Low friction 2-stage Orbital ball bearing system
• Highest working load in its class
• Low profile and compact
• High performance cleating
• Recessed underside to suit cruved mounting surface
APPLICATIONS
• Mainsheet systems on dinghies, sportsboats and small keelboats to 9m (30ft)
• Halyard, Vang and Backstay application on boats to 8m (26ft)
• Control line applications on larger yachts
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 stabilised, multi-strand impregmented 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
• Frame/Cheeks: Toughened, glass fibre reinforced Nylon
Sheave Ø 55 mm
Max. Rope Ø 10 mm
Max. Cable Ø - mm
Pin Ø - mm
M.W.L. 500 kg
B. L. 1000 kg
Weight 70 g
FEATURES
• Ultra LightWeight
• Low friction 2-stage Orbital ball bearing system
• Highest working load in its class
• Low profile and compact
• High performance cleating
• Recessed underside to suit cruved mounting surface
APPLICATIONS
• Mainsheet systems on dinghies, sportsboats and small keelboats to 9m (30ft)
• Halyard, Vang and Backstay application on boats to 8m (26ft)
• Control line applications on larger yachts
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 stabilised, multi-strand impregmented 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
• Frame/Cheeks: Toughened, glass fibre reinforced Nylon
| Series | Series 55 Orbit |
|---|---|
| Block type | Cheek |
| Number of sheaves | 1 |
| Bearing | Ball bearing |
| Max rope diameter | 10 mm |
| Swivel | No |
| Cam | No |
| Ratchet | No |
| Breaking Strength (kg) | 1000 |
| Safe Working Load (kg) | 500 |
