Description
Ronstan Series 75 Single Roller Bearing Upright Lead Block – RF78171
Single, upright lead.
Features:
- High static and dynamic load capacity.
- Keeps lines close to the deck.
- Cheek cut-outs for easy bearing cleaning and maintenance.
- Blocks can be disassembled for servicing.
The self-contained alloy sheave packages provide reliable, low-friction performance at high loads. The high axial loads are carried by Torlon® roller needle bearings, while side thrust loads are taken up by Acetal ball bearings. Block sheave and cheeks are alloy.
Specifications:
| B.L. (kg) | 3980 |
|---|---|
| M.W.L. (kg) | 1990 |
| Max. Rope diameter (mm) | 14 |
| Weight (g) | 352 |
| Fastener Ø (mm) | 1 x 8
2 x 10 |
Applications:
Typically used for halyards at the mast base.
Materials:
- Alloy sheave and housing.
- Torlon® needle rollers.
- Black carbon Acetal ball bearings.
