On request
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MARTIN SPROCKET & GEAR
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MARTIN SPROCKET & GEAR 3020 2 7/8
#3020 2 7/8
On request
Taper-Lock Bushing - 3020 Series, 2.8750 in Bore, Finished with Keyway, 3/4 x 3/8 in Keyway
Price on request — a consultant will confirm lead time and terms.
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MARTIN SPROCKET & GEAR — MARTIN SPROCKET & GEAR 3020 2 7/8
- Tapered non- flanged split bushings utilize screws to tighten on the shaft, providing excellent clamping force
- Used on sprockets, sheaves and pulleys to increase clamping force over standard bored-to-size product that only utilizes a keyway and setscrew to lock onto the shaft
- Their small size and the convenience and advantages of tapered construction make them of great value on many devices for use on shafts
Specifications
| Brand | MARTIN SPROCKET & GEAR |
| Category | TAPER LOCKING BUSHINGS |
| Bore diameter | 2.875 in |
| Maximum hub outside diameter | 5-5/8 (Steel) , 6-1/4 (Class 30 Gray Iron) , 7 (Class 20 Gray Iron) in |
| Outside diameter | 4-1/4 in |
| Bolt circle diameter | 4 in |
| Length through bore | 2 in |
| Number of bolt holes | 2 |
| Bushing size | 3020 |
| Screw thread size | 5/8-11 in |
| Bore type | Finished w/ Keyway |
| Screw length | 1-1/4 in |
| Keyway size | 3/4 x 3/8 in |
| Screw torque | 800 in-lbs |
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