Trailers for Drop Forged Chains
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.
Product Features
- Sizes Available: 102LA, 102NA, 125NA, 142NA, 142LA, 142HA, 150NA, 160NA, 175NA, 200NA, 216NA, 250NA, 260NA
- Now available: segmental star and self cleaning trailers.
Specifications
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.