Ronstan Series 50 Single Loop Top Ball Bearing Block

This high-performance block features sheaves that run on Acetal or Torlon® ball bearings, delivering exceptional efficiency and minimal friction. The innovative 2-stage ball bearing system ensures reliable performance across varying load conditions.

Key Features:

• Enhanced low friction with a 2-stage ball bearing system
• Impressive static and dynamic load capacity for demanding applications
• Compact and lightweight design for easy handling
• Cheek cut-outs simplify bearing maintenance

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