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Alternate Products
- Size 4F Gear Coupling Flex Hub
- RSB
- Bore Range 1/2" to 4 1/4"
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] | 4 1/4 in |
| Hub Dia. | 5.75 in |
| Component Type | Flex Hub |
| Configuration | Gear |
| Material | Carbon Steel |
| HP @ RPM | 375 hp @ 100 rpm |
| RPM [Max] | 5260 rpm |
| Tooth Profile | Straight |
| Bore Dia. [Min] | 1/2 in |
| Inch/Metric | Inch |
| Input Bore Range | 1/2" to 4 1/4" |
| Coupling Size | 4 |
| Length Through Bore | 4.75 in, 146.05 mm |
| Speed [Max] | 5260 rpm |
| Coupling Type | Gear |
| O.D. | 12.5 in |
| Lubricated | Yes |
| Torque Rating [Max] | 236000 in lb |
| Torque Rating | 236000 in-lb |
| Bore Type | Rough |
| Bore Size [Max] | 4.25 |
| Sleeve O.D. | 12.5 in |
| Model | Fasts |
| Bore with Standard Key [Max] | 4.25 |
| Weight | 46.465 LB |
| EAN or UPC | 662384104097 |
