Ronstan Series 125 Roller Bearing Block - Upright Lead, Single
Ronstan single upright lead. Ball bearing models have Torlon® needle rollers for axial loads, and acetal ball bearings for side thrust loads.
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.
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
Applications
- Typically used for halyards at the mast base
Materials
- Alloy sheave and housing
- Torlon® needle rollers
- Black carbon acetal ball bearings
Part Number | Max Rope Diameter | Fastener Diameter | BL | MWL | Weight |
---|---|---|---|---|---|
RON-RF128171 | 16mm | 10 + 8mm | 7500kg | 3750kg | 777g |