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Heavy Duty Chain
H Series


 

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H Series

HT Series

SUPER Series

SUPER-H Series

ULTRA SUPER Series

H Series

g8-logo

H Series chain differs from the ANSI G8 Series chain in the thickness of the link plates. The link plates have the same thickness as the link plates of the next larger pitch size in ANSI G8 Series. The increased thickness of the link plates provides a 9% greater capacity for fatigue strength.

Compared to to the previous series, the wear life of the H Series is doubled by using solid bushes instead of curled bushes.

In short, H Series chains are especially suitable for situations where the load is heavy and operating speed is low (up to 50 m/min) or where operating conditions are severe.

Single Strand Details

heavyduty-h1
Tsubaki ANSI Heavy Duty H Chain
Dimensions in mm
Tsubaki Chain No. Pitch
p		 Roller Diameter
d1		 Inner Width
b1
RS60-H-1 19.05 3/4" 11.91 12.70
RS80-H-1 25.40 1" 15.88 15.88
RS100-H-1 31.75 1 1/4" 19.05 19.05
RS120-H-1 38.10 1 1/2" 22.23 25.40
RS140-H-1 44.45 1 3/4" 25.40 12.71
RS160-H-1 50.80 2" 28.58 31.75
RS200-H-1 63.50 2 1/2" 39.68 38.10
Dimensions in mm
Tsubaki Chain No. Pin Link Plate
Diameter
d2		 Length
L1		 Length
L2		 Thickness
T		 Height
H (max.)
RS60-H-1 5.96 14.80 17.00 3.20 18.10
RS80-H-1 7.94 18.30 20.90 4.00 24.10
RS100-H-1 9.54 21.80 24.50 4.80 30.10
RS120-H-1 11.11 26.95 30.55 5.60 36.20
RS140-H-1 12.71 28.90 33.10 6.40 42.20
RS160-H-1 14.29 33.95 38.45 7.15 48.20
RS200-H-1 19.85 42.90 48.10 9.50 60.30
Dimensions in mm
Tsubaki Chain No. Transverse Pitch
pt		 Av. Tensile Strength acc. to Tsubaki
kN		 Approx. Mass
kg/m
RS60-H-1 - 44.1 1.80
RS80-H-1 - 78.5 3.11
RS100-H-1 - 117.7 4.58
RS120-H-1 - 166.8 6.53
RS140-H-1 - 215.8 8.27
RS160-H-1 - 269.8 10.97
RS200-H-1 - 461.0 18.41
  • Standard ANSI sprockets can be used for single strand chain.
  • Sprockets with low teeth number must have hardened teeth.
  • Steel grade of sprockets must be C45 or higher.
  • The listed sizes are stock items, other chain sizes are available on request

Double Strand Details

heavyduty-h2
Tsubaki ANSI Heavy Duty H Chain
Dimensions in mm
Tsubaki Chain No. Pitch
p		 Roller Diameter
d1		 Inner Width
b1
RS60-H-2 19.05 3/4" 11.91 12.70
RS80-H-2 25.40 1" 15.88 15.88
RS100-H-2 31.75 1 1/4" 19.05 19.05
RS120-H-2 38.10 1 1/2" 22.23 25.40
RS140-H-2 44.45 1 3/4" 25.40 12.71
RS160-H-2 50.80 2" 28.58 31.75
Dimensions in mm
Tsubaki Chain No. Pin Link Plate
Diameter
d2		 Length
L1		 Length
L2		 Thickness
T		 Height
H (max.)
RS60-H-2 5.96 27.80 29.90 3.20 18.10
RS80-H-2 7.94 34.60 37.20 4.00 24.10
RS100-H-2 9.54 41.20 44.10 4.80 30.10
RS120-H-2 11.11 51.40 55.00 5.60 36.20
RS140-H-2 12.71 54.95 59.50 6.40 42.20
RS160-H-2 14.29 64.90 69.60 7.15 48.20
Dimensions in mm
Tsubaki Chain No. Transverse Pitch
pt		 Av. Tensile Strength acc. to Tsubaki
kN		 Approx. Mass
kg/m
RS60-H-2 26.10 88.3 3.59
RS80-H-2 32.60 157.0 6.18
RS100-H-2 39.10 235.4 9.03
RS120-H-2 48.90 319.8 12..90
RS140-H-2 52.20 419.9 16.38
RS160-H-2 61.90 529.7 21.78
  • Multi strand chains need special sprockets, contact Tsubaki for more detailed information.
  • Sprockets with low teeth number must have hardened teeth.
  • Steel grade of sprockets must be C45 or higher.
  • The listed sizes are stock items, other chain sizes are available on request
  • Download the G8 Heavy Duty Chain brochure in PDF, here.