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Ronstan Series 100 RB Block, Single Upright Lead

Item #

RF108171

Usually ships within 1-3 days

Product Description

Ronstan Series 100 RB Block, Single Upright Lead
 
Product Information
 
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
Specifications
  • Sheave Ø - 4 in.
  • Max. Rope Ø - 9/16 in.
  • Fastener Ø - 3/8 + 5/16 in.
  • M.W.L. - 4850 lb.
  • B.L. - 9700 lb.
  • Weight - 18.2 oz.

Applications

  • Typically used for halyards at the mast base.

Materials

  • Alloy sheave and housing
  • Torlon® needle rollers
  • Black carbon Acetal ball bearings