RONSTAN Series 50 Ball Bearing Block, Single Pulley

The Ronstan Series 50 Ball Bearing Block (RF50100) is a single sheave, ball bearing block designed for high-load outrigger and dredge applications. Featuring a low-friction 2-stage ball bearing system and Ronstan's Captive Lock™ universal head, this block delivers smooth, reliable performance under serious working loads. The slotted pin shackle eliminates fouled lines, and cheek cut-outs make bearing maintenance easy in the field.

• Low-friction 2-stage ball bearing system
• Captive Lock™ universal head for secure attachment
• Slotted pin shackle eliminates fouled lines
• Cheek cut-outs for easy bearing maintenance
• High static and dynamic load capacity
• Lightweight construction

Specifications:
Pin Ø: 3/16"
Max. Rope Diameter: 1/2"
Sheave Diameter: 2"
M.W.L.: 1,100 lb
Breaking Load: 3,310 lb
Weight: 4.1 oz