Find a Service Center
Alternate Products
- Size 3F Gear Coupling Flex Hub
- RSB
- Bore Range 1/2" to 3 1/8"
applications
- Motors
- Pumps
- Gearboxes
- Runout tables
- Overhead cranes
- Main drives
- Refiners
- Rolling mills
- Barkers
features
- 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.
| Bore Dia. [Max] | 3 1/8 in |
| Bore Dia. [Min] | 1/2 in |
| O.D. | 9.438 in |
| Material | Carbon Steel |
| Component Type | Flex Hub |
| Torque Rating [Max] | 101000 in lb |
| Coupling Type | Gear |
| Lubricated | Yes |
| RPM [Max] | 6800 rpm |
| Bore Size [Max] | 3.125 |
| HP @ RPM | 160 hp @ 100 rpm |
| Inch/Metric | Inch |
| Length Through Bore | 4.25 in, 107.95 mm |
| Input Bore Range | 1/2" to 3 1/8" |
| Coupling Size | 3 |
| Hub Dia. | 4 1/4 in |
| Bore with Standard Key [Max] | 3.125 |
| Model | Fasts |
| Weight | 20.375 LB |
| EAN or UPC | 662384103090 |
