Ronstan Series 50 Ball Bearing Block – Single Loop Top, Low-Friction Pulley for Marine Rigging

Description

Series 50 Ball Bearing Block – Single Loop Top

Sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range.

Features:

• Low friction, 2-stage ball bearing system
• High static and dynamic load capacity
• Lightweight
• Cheek cut-outs for easy bearing maintenance

Specifications:

• Max. Rope diameter (in): 1/2″
• M.W.L. (lb): 1100lbs
• Sheave diameter (in): 2″
• B.L. (lb): 3310lbs
• Weight (oz): 3.4oz

Materials:

• Acetal ball bearings
• UV-stabilized acetal sheave
• Grade 316 stainless steel load strap and head fitting
• Impact and UV-resistant, fiber-reinforced nylon cheeks

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