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Ball bearing swivel bases feature dual rows of Delrin ball bearings that swivel freely even under high loads. The bases include stand-up springs and a U-adaptor to accept a variety of appropriate blocks. The 144 model is the standard configuration with a tall arm. It is ideal for mounting in the cockpit or for use on larger keelboats and small offshore boats that use 3.00 in (76 mm) plastic blocks.
Bearing System: Dual rows of Delrin ball bearings ensure free swiveling even under high loads.
Mounting Hardware: Includes stand-up springs and a U-adaptor for compatibility with various appropriate blocks.
Model Configuration: The 144 is the standard configuration featuring a tall arm.
Application: Ideal for cockpit mounting or use on larger keelboats and small offshore boats.
Compatibility: Designed for use with 3.00 in (76 mm) plastic blocks.
Specifications
• Brand: Harken
• Reference: 144
• Weight: 369 g
• Maximum line Ø: 12 mm
• Fasteners: 5 FH mm
• Minimum line Ø: 3 mm
• Height: 146 mm
• Fastener spacing: 19 mm
• Use with: 57 mm/75 mm/2.25"/3.00"/ratchets






