4B sprockets and trailing wheels 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…
4B sprockets and trailing wheels 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.
| Brand | 4B |
|---|
| Max Shaft Dia | Pitch Circle Dia. | Hub Width Dia - Smooth | Hub Width Dia - Segmental | Rim Width Dia. | ||
| Dia. A (mm) | Dia PCD (mm) | WB2 (mm) | WB3 (mm) | T (mm) | ||
| . | ||||||
| 4B102NA | 65 | 204 | 57 | 83 | 35 | |
| 4B102NA | 65 | 235.1 | 57 | 83 | 35 | |
| 4B102NA | 65 | 266.5 | 57 | 83 | 35 | |
| 4B102NA | 65 | 298.2 | 57 | 83 | 35 | |
| 4B102NA | 65 | 330.1 | 57 | 83 | 35 | |
| . | ||||||
| 4B142NA | 85 | 284 | 74 | 112 | 45 | |
| 4B142NA | 85 | 327.3 | 74 | 112 | 45 | |
| 4B142NA | 85 | 371.1 | 77 | 127 | 45 | |
| 4B142NA | 115 | 415.2 | 77 | 127 | 45 | |
| 4B142NA | 115 | 459.5 | 77 | 127 | 45 | |
| 4B142NA | 115 | 504 | 105 | 150 | 45 | |
| 4B142NA | 115 | 548.6 | 105 | 150 | 45 | |
| 4B142NA | 115 | 593.4 | 120 | 150 | 45 | |
| 4B142NA | 115 | 638.1 | 120 | 150 | 45 | |
| . | ||||||
| 4B142HA | 115 | 327.3 | 110 | 127 | 75 | |
| 4B142HA | 115 | 371.1 | 110 | 150 | 75 | |
| 4B142HA | 115 | 415.2 | 110 | 150 | 75 | |
| 4B142HA | 115 | 495.5 | 120 | 150 | 75 | |
| 4B142HA | 140 | 504 | 120 | 150 | 75 | |
| 4B142HA | 140 | 548.6 | 120 | 150 | 75 | |
| 4B142HA | 140 | 593.4 | 120 | 150 | 75 | |
| 4B142HA | 140 | 638.1 | 140 | 150 | 75 |
*Smooth and segmental trailers have different hub widths as noted (WB2 & WB3).
**Symmetric smooth trailers on demand.
4B offers any bore size to suit your requirements; consult with our engineers for recommended shaft diametre.
216NA and 260NA sizes are available; contact 4B for more information.
Tell us your quantity and requirements — we reply within one business day.
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