Sprockets for Drop Forged Chains

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.

sprocket for drop forged chain
Product Features

Sizes Available: 102LA, 102NA, 125NA, 142NA, 142LA, 142HA, 150NA, 160NA, 175NA, 200NA, 216NA, 250NA, 260NA

sprockets-line-art
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.

Literature Downloads

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. 

chain

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. 

chain

Contact Details

Chain Conveyor Details

kg/ m3
If existing Conveyor, give details

If you would like to send us a technical drawing or document with your enquiry, please send to 4b-uk@go4b.com.