Kop-Flex Gear Coupling - Style FASTS - Size 3.5 - Rough Bore - 3 1/2F EB FR
Part #:2280535
Catalog #:3 1/2F EB FR
KEY 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.
How can we improve our Product Information?
Talk to one of our expert sales professionals about how this brand can efficiently power your business.
Product Specifications
Technical Specifications
| Bolt Circle: | 9.5 in | Bolt Type: | Exposed |
| Bore Size Max (in): | 3.75 in | Bore Type: | Rough Bore |
| Compatible Bore Size [Min] (in): | 0 in | Compatible Bore Size Flex Hub [Min] (in): | 0 in |
| Compatible Bore Size Rigid Hub [Min] (in): | 2.25 in | Configuration: | Flex Rigid |
| Coupling Size: | 3.5 | Coupling Type: | Gear Coupling |
| Fastener Quantity: | 8 | Fastener Size: | 3/4 x 3 3/8 |
| Features: | Exposed Bolt / Flex Rigid Coupling | Hub Diameter (in): | 7.75 in |
| Includes: | Hubs (1) Sleeve (1) Rigid (1) Seal (2) | Length Through Bore (in): | 4.03125 in |
| Lube/Non-Lube: | Lubricated | Material: | Medium Carbon Steel |
| Max Bore w/standard key for Flex Hub: | 3.75 in | Maximum Operating Angular Misalignment: | 0.5 ° |
| Measurement System: | Imperial | Model Name: | 1-5-7_FR |
| Outside Diameter (in): | 11 in | Overall Length (in): | 8.5 in |
| Performance: | Lubrication Hole | Rating HP @ 100 RPM: | 235 |
| Sleeve Type: | Flanged | Speed Max (rpm): | 6,000 rpm |
| Style: | FASTS | Temperature Range: | -40 to +190 °F |
| Tooth Profile: | Straight Faced Involute Hub tooth | Torque [Max] (in-lb): | 296,000 in/lbs |
| Torque Rating (in-lb): | 148,000 in/lbs |
General Specifications
| UPC: | 662384010312 | Weight: | 127.34 LB |