MARTIN SPROCKET & GEAR
MARTIN SPROCKET & GEAR 4012 3/4 chain coupling hub
Model4012 3/4
Description
4012 chain coupling hub: 3/4" bore, 1-13/32" hub diameter
Detailed description
Chain coupling hub with 3/4" finished bore, 1-13/32" hub diameter, 2.17" outside diameter, 1-1/8" length through bore, 9/32" gap between shaft ends, compatible with 40 chain, 12 teeth, 1-1/8" width, keyway, steel construction
Specifications
| Brand | MARTIN SPROCKET & GEAR |
|---|---|
| Model | 4012 3/4 |
| Coupling Type | Chain Coupling |
| Component | Hub |
| Hub Type | Shaft |
| Bore Profile | Finished Bore |
| Chain Number | 40 |
| Number of Teeth | 12 |
| Coupling Size or Series | 4012 |
| Bushing Size if bushed | No Bushing |
| Keyway Yes/No | Yes |
| Material | Steel |
| Maximum Speed RPM | 5000 |
| Inch - Metric | Inch |
| Other Features | Components May or May Not Intermix Among Brands | Hardened Teeth | Set Screw |
| Category - BDI | Couplings Chain Hub |
| Product Group - BDI | M02302 |
| Harmonized Tariff Code | 8483.90.80.10 |
| Manufacturer Item Number | 4012 3/4 |
| Manufacturer Internal Number | 4012 3/4 |
| Weight / LBS | 0.36 |
| Width | 1.125 Inch | 28.575 Millimeter |
| Hub Diameter | 1.406 Inch | 35.712 Millimeter |
| Distance Between Shaft Ends | 0.281 Inch | 7.137 Millimeter |
| Outside Diameter | 2.17 Inch | 55.118 Millimeter |
| Bore | 0.75 Inch | 19.05 Millimeter |
| Length Thru Bore | 1.125 Inch | 28.575 Millimeter |
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