Ronstan Series 125 Roller Bearing Block – Upright Lead, Single

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