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4B sprockets and trailers are manufactured from high grade heat treated steel to a minimum hardness of 57 HRC. Each piece is machined to size with appropriate bore and keyway specific to each customer’s application. Most sizes are in stock and ready to ship from 4B’s extensive inventory.
Sizes Available: 102LA, 102NA, 125NA, 142NA, 142LA, 142HA, 150NA, 160NA, 175NA, 200NA, 216NA, 250NA, 260NA
Specifications
| No of teeth | Dia. PS | Dia. P1 | Dia. A | Dia. B | Dia. C | Dia. D | No of holes | T | X | WB | ||
| (mm) | (mm) | (mm) | (mm) | (mm) max. | (mm) | (mm) | (mm) | (mm) | ||||
| . | ||||||||||||
| 4B102NA | 6 | 204 | 105 | 135 | 70 | 0 | 30 | 10 | 83 | |||
| 4B102NA | 7 | 235.1 | 146 | 108 | 173 | 70 | M12 | 6 | 30 | 10 | 83 | |
| 4B102NA | 8 | 266.5 | 170 | 144 | 196 | 85 | M12 | 6 | 30 | 10 | 83 | |
| 4B102NA | 9 | 298.2 | 200 | 174 | 232 | 105 | M12 | 6 | 30 | 10 | 83 | |
| 4B102NA | 10 | 330.1 | 241.3 | 179 | 264 | 105 | M12 | 8 | 30 | 10 | 83 | |
| . | ||||||||||||
| 4B142NA | 6 | 284 | 168.3 | 136.5 | 190.5 | 85 | M12 | 6 | 46 | 16 | 112 | |
| 4B142NA | 7 | 327.3 | 200 | 162 | 234 | 105 | M16 | 6 | 46 | 16 | 112 | |
| 4B142NA | 8 | 371.1 | 241.3 | 187.3 | 282 | 115 | M20 | 8 | 46 | 16 | 127 | |
| 4B142NA | 9 | 415.2 | 285.8 | 240 | 330 | 150 | M20 | 8 | 46 | 16 | 127 | |
| 4B142NA | 10 | 459.5 | 285.8 | 240 | 330 | 150 | M20 | 8 | 46 | 16 | 127 | |
| 4B142NA | 11 | 504 | 368.3 | 310 | 419 | 170 | M20 | 8 | 46 | 16 | 150 | |
| 4B142NA | 12 | 548.6 | 415 | 345 | 465 | 170 | M20 | 8 | 46 | 16 | 150 | |
| 4B142NA | 13 | 593.4 | 450 | 380 | 521 | 170 | M20 | 8 | 46 | 16 | 150 | |
| 4B142NA | 14 | 638.1 | 470 | 380 | 546 | 170 | M20 | 10 | 46 | 16 | 150 | |
| . | ||||||||||||
| 4B142HA | 7 | 327.3 | 200 | 162 | 234 | 105 | M16 | 6 | 69 | 19 | 127 | |
| 4B142HA | 8 | 371.1 | 241.3 | 187.3 | 282 | 115 | M20 | 8 | 69 | 19 | 150 | |
| 4B142HA | 9 | 415.2 | 285.8 | 240 | 330 | 150 | M20 | 8 | 69 | 19 | 150 | |
| 4B142HA | 10 | 495.5 | 285.8 | 240 | 330 | 150 | M20 | 8 | 69 | 19 | 150 | |
| 4B142HA | 11 | 504 | 368.3 | 310 | 419 | 170 | M20 | 8 | 69 | 19 | 150 | |
| 4B142HA | 12 | 548.6 | 415 | 345 | 465 | 170 | M20 | 8 | 69 | 19 | 150 | |
| 4B142HA | 13 | 593.4 | 450 | 380 | 520 | 170 | M20 | 8 | 69 | 19 | 180 | |
| 4B142HA | 14 | 638.1 | 470 | 380 | 546 | 170 | M20 | 10 | 69 | 19 | 180 |
** We offer many various types / styles for above and all our chain range. Please consult us on request.
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Design Services
Chain Conveyor Design Service
Chain Conveyor Design Service
Take advantage of our free design service for chain conveyors.
Whether you want a new chain conveyor or you want to optimize an existing chain conveyor, our engineers at 4B can help you.
To get a free chain conveyor calculation
Please fill this form in as accurately as possible to allow us to deal with your enquiry more effectively.
Take advantage of our free design service for chain conveyors.
Whether you want a new chain conveyor or you want to optimize an existing chain conveyor, our engineers at 4B can help you.
To get a free chain conveyor calculation
Please fill this form in as accurately as possible to allow us to deal with your enquiry more effectively.