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

The Series 7 Stand Up Ball Bearing Swivel Block is specifically designed for marine and boating applications, offering exceptional durability and reliable performance in demanding maritime environments. Its robust construction and innovative features ensure smooth operation and longevity, making it an essential component for your vessel's rigging system.

Key Features

• Single stand up ball bearing block ensures smooth and efficient swiveling
• Integrated stand up spring maintains upright position when not in use, preventing tangling and reducing wear
• Stainless steel base distributes load evenly, enhancing stability and strength
• Compatible with the 97-49 backing plate (sold separately) for versatile installation options
• Delrin™ ball bearing sheave provides low friction and high strength for optimal performance

Technical Specifications

Sheave Diameter	2-3/8" (60 mm)
Maximum Line Size	1/2" (13 mm)
Including Urethane Base	3-3/8" (86 mm)
Height	4-25/32" (120 mm)
H2	2-15/32" (63 mm)
Fastener Size	1/4" RH (6 mm)
Center to Center	1-11/16" (43 mm)
Safe Working Load (SWL)	1700 lbs (771 kg)
Weight	Aluminum 11.7 oz (332 g)

Installation Instructions

Installing the Series 7 Stand Up Ball Bearing Swivel Block is straightforward. Follow these steps to ensure a secure and efficient setup:

1. Attach the stainless steel base to your desired mounting location using appropriate fasteners. Ensure the surface is clean and free from debris for optimal adhesion.
2. Secure the swivel block onto the base, aligning the fastener holes for a tight fit.
3. If using the 97-49 backing plate, position it accordingly to enhance load distribution and stability.
4. Test the swivel mechanism to ensure smooth operation and proper alignment.
5. Connect your rigging lines, ensuring they are properly seated within the Delrin™ sheave for minimal friction and maximum strength.

Durability and Performance

Crafted from high-grade stainless steel and Delrin™, the Series 7 Stand Up Ball Bearing Swivel Block is built to withstand the harsh conditions of marine environments. The stainless steel components resist corrosion from saltwater exposure, while the Delrin™ sheave reduces wear and tear, ensuring long-lasting performance. The stand up spring mechanism effectively keeps the block upright when not in use, preventing unnecessary strain on your gear and enhancing the overall longevity of the block.

Applications

Ideal for a variety of marine and boating uses, including:

• Boat rigging systems
• Docking equipment
• Sailing sail management
• Mooring and anchoring setups
• Fishing gear systems

Why Choose Series 7 Stand Up Swivel Block?

Choosing the Series 7 Stand Up Ball Bearing Swivel Block ensures you receive a high-quality, durable product tailored for the unique demands of marine and boating environments. Its superior construction, combined with easy installation and maintenance, makes it a reliable choice for both amateur boaters and professional mariners alike.

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.