Product Overview
- All-metal end ring seal design for maximum service life. The industry standard for over 75 years.
- Provides 300% greater lubricant capacity than o-ring style couplings.
- Greater lubricant capacity allows longer periods between scheduled lubrications and longer service life.
- Straight tooth design provides improved load distribution, lower stresses and longer life for the gear teeth.
- Material
- Alloy Steel / Paper
- Bolt Circle
- 10.625 in
- Bolt Type
- Shrouded
- Component Type
- Fastener Set (with gasket)
- Coupling Size
- 4
- Coupling Type
- Gear Coupling
- Fastener Quantity
- 14
- Includes
- Fastener Set (with gasket)
- Lube/Non-Lube
- Lubricated
- Measurement System
- Imperial
- Model
- Waldron
- Outside Diameter (in)
- 12.5 in
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Kop-Flex
- Mfg. Catalog Numberi
- 4 SB FS
- Mfg. Part Numberi
- 1961143
- GDS #i
- GDS-107978
- Categoryi
- Fasteners
- UPCi
- 662384821475
- Seriesi
- Fast, Series H, Waldron
- Country of Origini
- United States of America
Documents & Support
- Catalog PageView
Common Questions
What is the outside diameter of the 4 SB FS?
The 4 SB FS has a outside diameter of 12.5 in. The specification table above lists every published dimension for this part.
Is this a genuine Kop-Flex part?
Yes. GDS Supply supplies the genuine Kop-Flex 4 SB FS, manufacturer article number 1961143. Its UPC is 662384821475.
