Ronstan Series 75 Roller Bearing Block

The Series 75 roller bearing block features durable alloy sheave and housing. It is engineered for high load capacity and smooth rope handling in demanding applications.

Features:

• High static and dynamic load capacity for heavy-duty use
• Upright lead design keeps lines close to the deck for better control
• Cheek cut-outs allow easy access for bearing cleaning and maintenance
• Low-friction sheave with needle and ball bearing combination for smooth operation
• Durable alloy construction ensures long-lasting performance under load

Upright Low Lead Specifications:

• Sheave Diameter: 75 mm (3")
• Breaking Load: 3,980 kg (8770 lbs)
• Maximum Working Load: 1,990 kg (4390 lbs)
• Max Rope Diameter: 14 mm (9/16")
• Weight: 352 g (12.4 oz)
• Fastener Diameter: 10 mm (3/8"), 8 mm (5/16")

Pivoting Low Lead Specifications:

• Sheave Diameter: 75 mm (3")
• Breaking Load: 3500 kg (7720 lbs)
• Maximum Working Load: 1,750 kg (3560 lbs)
• Max Rope Diameter: 14 mm (9/16")
• Weight: 470 g (16.6 oz)
• Fastener Diameter: 6 mm (1/4")