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Drop Forged Chain Links
4B Standard Chain Links
4B102LA, 4B102NA, 4B125NA, 4B142LA, 4B142NA, 4B142HA, 4B150NA, 4B160NA, 4B175NA, 4B200NA, 4B216NA, 4B250NA, 4B260NA

Drop forged chain is either supplied with welded flights or with bolt-on flights (Bolt 'N' Go system). 4B drop forged chains have three main styles: standard, double and triple links.

4b drop forged conveyor chains
Product Features
  • Ultimate Strengths
  • 180Kn (15300kg) to 700Kn (71400kg)
  • Case hardened links and pins. -Precision machined driving face for long life
  • Case hardness: Rockwell C57-C62
  • Core hardness: Rockwell C40
  • Chain pitches available: 102LA, 102NA, 125NA, 142NA, 142LA, 142HA, 150NA, 160NA, 175NA, 200NA, 216NA, 250NA, 260NA
  • Large range of non-stock chain
  • Stainless steel links and pins - available on request
Product Datasheet
Full Line Catalogue
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4B standard forged chain link drawing
Min. Breaking Load Case Depth Weight/Link P H T W M D
(kN) (lb) (kg) (mm) (mm) (mm) (mm) (mm) (mm)
4B102LA 150 33750 0.5 mm 0.35 kg 102 36 6 25 8 14
4B102NA 180 40400 0.5 mm 0.35 kg 102 36 7 28 12 14
4B125NA 200 44900 0.6 mm 0.60 kg 125 35 10 36 15 16
4B142LA 250 56250 0.7mm 0.69 kg 142 40 10 31 14 18.2
4B142NA 300 67500 0.7 mm 1.12 kg 142 50 12 42 18.7 25
4B142HA 450 101000 0.7 mm 1.70 kg 142 50 16.5 62 28.5 25
4B150NA 300 67500 0.7 mm 1.16 kg 150 49 13 36 15 25
4B160NA 350 78700 0.8 mm 1.19 kg 160 44.5 13 42 19.5 20
4B175NA 520 117500 1.0 mm 2.73 kg 175 60 16 72 22 30
4B200NA 600 135000 1.0 mm 2.90 kg 200 60 18 68 30 30
4B216NA 600 135000 1.0 mm 3.70 kg 216 75 19 59 26 35
4B250NA 700 158000 1.0 mm 4.26 kg 250 75 18 70 32 32
4B260NA 700 158000 1.0 mm 5.00 kg 260 75 21 71 31 32

Case hardness:  Rockwell C57-C62
Core hardness:  Rockwell C40