Schaefer Marine 706-62 Stand Up Ball Bearing Swivel Block 60mm

The Schaefer Marine Series 7 Stand Up Ball Bearing Swivel Block features a spring-loaded design that keeps the block upright when not in use, making it ideal for applications where the block needs to remain accessible and ready for line attachment. The stainless steel base distributes loads evenly across the mounting surface and is compatible with Schaefer 97-49 backing plate (sold separately) for additional reinforcement.

Key Features:

• Delrin ball bearing sheave provides smooth, low-friction operation with exceptional strength
• Aluminum side plates reduce weight while maintaining durability
• Stand-up spring mechanism keeps block vertical and ready for use
• Stainless steel base plate spreads mounting loads and prevents deck damage
• Swivel design allows 360-degree rotation for optimal line routing

Specifications:

• Sheave diameter: 2-3/8" (60mm)
• Maximum line diameter: 1/2" (13mm)
• Overall height: 4-25/32" (120mm)
• Base diameter (including urethane): 3-3/8" (86mm)
• Center-to-center fastener spacing: 1-11/16" (43mm)
• Fastener size: Four 1/4" (6mm) fasteners required
• Safe working load: 1,700 lbs (771 kg)
• Weight: 11.7 oz (332g)

This versatile marine block is designed for sailboats and powerboats where reliable, smooth operation is essential for control lines, halyards, and other running rigging applications.