Schaefer Marine Series 7 Stand Up Ball Bearing Swivel Block - 2-3/8 inch (60mm)

Series 7 Stand Up Ball Bearing Swivel Block - 2-3/8" 60mm

Single stand up ball bearing block. Stand up spring keeps block upright when not in use. Stainless steel base spreads load out and may be used with 97-49 backing plate. (sold separately) Delrin(tm) ball bearing sheave provides a low-friction high strength sheave. Sheave Dia. 2-2/8" (60 mm), Max Line 1/2" (13 mm), Dia. includes urethane base 3-3/8" (86 mm), Height 4-25/32" (120 mm), H2 2-15/32" (63 mm), Fastener Size (4),1/4" RH (6 mm), C/C 1-11/16" (43 mm), SWL 1700 lbs (771kg), Weight Alum. 11.7 oz (332 g).

The Schaefer Marine Series 7 Stand Up Ball Bearing Swivel Block offers a robust and reliable solution for heavy-duty marine applications. Featuring a stand-up spring mechanism, this block remains upright when not in use, facilitating easy handling and quick deployment. Its stainless steel base distributes load effectively and can be used in conjunction with a compatible backing plate (sold separately), providing versatility for various rigging setups. The Delrin™ ball bearing sheave ensures low-friction operation and high strength, supporting a maximum line diameter of 1/2 inch (13 mm). The sheave diameter measures 2-3/8 inches (60 mm), making it suitable for a range of sailing and industrial tasks. The urethane base adds durability and absorbs shock, while the overall assembly height is approximately 4-25/32 inches (120 mm).

Designed for demanding environments, this swivel block has a safe working load limit of 1,700 lbs (771 kg). The fastener size is 1/4 inch right-hand thread (6 mm), with a center-to-center distance of 1-11/16 inches (43 mm), ensuring secure installation. Weighing just 11.7 ounces (332 grams), it combines strength with lightweight construction, making it ideal for performance-oriented applications. Manufactured by Schaefer Marine, this swivel block is built to withstand the rigors of marine use while providing smooth, reliable operation. Its corrosion-resistant materials and high-quality components make it an excellent choice for sailors and industrial users seeking durability and performance.

Features:

• Stand-up spring keeps the block upright when not in use

• Stainless steel base distributes load and is compatible with backing plates

• Delrin™ ball bearing sheave for low-friction, high-strength operation

• Supports maximum line diameter of 1/2 inch (13 mm)

• Urethane base adds durability and shock absorption

• Safe working load limit of 1,700 lbs (771 kg)

• Lightweight design at 11.7 ounces (332 grams)

• Easy to install with 1/4 inch right-hand fasteners

• Corrosion-resistant construction suitable for marine environments