ANSI G7 Standard Roller Chain

ANSI G7 Standard Roller Chain

Tsubaki's 7th model upgrade, celebrating 90 years of quality. Pursuing the ultimate in quality, Tsubaki has created the world's highest standard of roller chain.

Single Strand Details

ANSI G7 Standard Roller Chain ANSI G7 Standard Roller Chain
Dimensions-mm
Tsubaki Chain No. Pitch
p
Roller Diameter
d1
Inner Width
b1
RS25-1 6.35 1/4" 3.30 3.18
RS35-1 9.525 3/8" 5.08 4.78
RS37-1 12.70 1/2" 7.80 3.40
RS38-1 12.70 1/2" 7.80 4.80
RS41-1 12.70 1/2" 7.77 6.38
RS40-1 12.70 1/2" 7.92 7.95
RS50-1 15.875 5/8" 10.16 9.53
RS60-1 19.05 3/4" 11.91 12.70
RS80-1 25.40 1" 15.88 15.88
RS100-1 31.75 1 1/4" 19.05 19.05
RS120-1 38.10 1 1/2" 22.23 25.40
RS140-1 44.45 1 3/4" 25.40 25.40
RS160-1 50.80 2" 28.58 31.75
RS180-1 57.15 2 1/4" 35.71 35.72
RS200-1 63.50 2 1/2" 39.68 38.10
RS240-1 76.20 3" 47.63 47.63
Dimensions in mm
Tsubaki Chain No. Pin Link Plate
Diameter
d2
Length
L1
Length
L2
Length
L
Thickness
T
Height
H (max.)
RS25-1 2.31 3.80 4.50 - 0.74 5.84
RS35-1 3.59 5.85 6.85 13.50 1.25 9.00
RS37-1 3.63 5.10 5.90 12.45 1.00 9.80
RS38-1 3.63 6.00 7.10 14.10 1.10 9.80
RS41-1 3.59 6.75 7.95 15.10 1.25 9.80
RS40-1 3.97 8.25 9.95 17.90 1.50 12.00
RS50-1 5.09 10.30 11.90 22.50 2.00 15.00
RS60-1 5.96 12.85 14.75 28.20 2.40 18.10
RS80-1 7.94 16.25 19.25 36.60 3.20 24.10
RS100-1 9.54 19.75 22.85 43.70 4.00 30.10
RS120-1 11.11 24.90 28.90 55.00 4.80 36.20
RS140-1 12.71 26.90 31.70 59.50 5.60 42.20
RS160-1 14.29 31.85 36.85 70.20 6.40 48.20
RS180-1 17.46 35.65 42.45 80.60 7.15 54.20
RS200-1 19.85 39.00 44.80 87.30 8.00 60.30
RS240-1 23.81 47.90 55.50 106.70 9.50 72.40
Dimensions in mm
Tsubaki Chain No. Transverse Pitch
pt
Min. Tensile Strength acc. to ISO 606
kN
Min. Tensile Strength acc. to Tsubaki
kN
Approx. Mass
kg/m
RS25-1 - 3.6 4.1 0.14
RS35-1 - 8.7 9.8 0.33
RS37-1 - - 8.1 0.29
RS38-1 - - 8.1 0.35
RS41-1 - 7.4 10.3 0.41
RS40-1 - 15.2 17.7 0.64
RS50-1 - 24.0 28.4 1.04
RS60-1 - 34.2 40.2 1.53
RS80-1 - 61.2 71.6 2.66
RS100-1 - 95.4 107.0 3.99
RS120-1 - 137.1 148.0 5.93
RS140-1 - 185.9 193.0 7.49
RS160-1 - 244.6 255.0 10.10
RS180-1 - 308.2 336.0 13.45
RS200-1 - 381.7 427.0 16.49
RS240-1 - 550.4 623.0 24.50

Double Strand Details

ANSI G7Standard Roller Chain ANSI G7 Standard Roller Chain
Dimensions-mm
Tsubaki Chain No. Pitch
p
Roller Diameter
d1
Inner Width
b1
RS25-2 6.35 1/4" 3.30 3.18
RS35-2 9.525 3/8" 5.08 4.78
RS40-2 12.70 1/2" 7.92 7.95
RS50-2 15.875 5/8" 10.16 9.53
RS60-2 19.05 3/4" 11.91 12.70
RS80-2 25.40 1" 15.88 15.88
RS100-2 31.75 1 1/4" 19.05 19.05
RS120-2 38.10 1 1/2" 22.23 25.40
RS140-2 44.45 1 3/4" 25.40 25.40
RS160-2 50.80 2" 28.58 31.75
RS180-2 57.15 2 1/4" 35.71 35.72
RS200-2 63.50 2 1/2" 39.68 38.10
RS240-2 76.20 3" 47.63 47.63
Dimensions in mm
Tsubaki Chain No. Pin Link Plate
Diameter
d2
Length
L1
Length
L2
Length
L
Thickness
T
Height
H (max.)
RS25-2 2.31 6.95 7.75 - 0.74 5.84
RS35-2 3.59 10.90 11.90 24.50 1.25 9.00
RS40-2 3.97 15.45 17.15 33.50 1.50 12.00
RS50-2 5.09 19.35 21.15 41.80 2.00 15.00
RS60-2 5.96 24.25 26.25 52.60 2.40 18.10
RS80-2 7.94 30.90 33.90 67.50 3.20 24.10
RS100-2 9.54 37.70 40.80 81.50 4.00 30.10
RS120-2 11.11 47.60 51.60 103.20 4.80 36.20
RS140-2 12.71 51.35 56.15 112.30 5.60 42.20
RS160-2 14.29 61.15 66.15 132.20 6.40 48.20
RS180-2 17.46 68.75 75.35 151.10 7.15 54.20
RS200-2 19.85 74.85 80.65 161.20 8.00 60.30
RS240-2 23.81 91.90 99.40 198.40 9.50 72.40
Dimensions in mm
Tsubaki Chain No. Transverse Pitch
pt
Min. Tensile Strength acc. to ISO 606
kN
Min. Tensile Strength acc. to Tsubaki
kN
Approx. Mass
kg/m
RS25-2 6.40 7.2 8.2 0.27
RS35-2 10.10 17.4 19.6 0.69
RS40-2 14.40 30.4 35.3 1.27
RS50-2 18.10 48.0 56.9 2.07
RS60-2 22.80 68.4 80.4 3.04
RS80-2 29.30 122.4 143.0 5.27
RS100-2 35.80 190.8 214.0 7.85
RS120-2 45.40 274.2 296.0 11.70
RS140-2 48.90 371.8 386.0 14.83
RS160-2 58.50 489.2 510.0 20.04
RS180-2 65.80 616.4 673.0 26.52
RS200-2 71.60 763.4 853.0 32.63
RS240-2 87.80 1100.8 1250.0 48.10

Triple Strand Details

ANSI G7 Standard Roller Chain ANSI G7 Standard Roller Chain
Dimensions-mm
Tsubaki Chain No. Pitch
p
Roller Diameter
d1
Inner Width
b1
RS25-3 6.35 1/4" 3.30 3.18
RS35-3 9.525 3/8" 5.08 4.78
RS40-3 12.70 1/2" 7.92 7.95
RS50-3 15.875 5/8" 10.16 9.53
RS60-3 19.05 3/4" 11.91 12.70
RS80-3 25.40 1" 15.88 15.88
RS100-3 31.75 1 1/4" 19.05 19.05
RS120-3 38.10 1 1/2" 22.23 25.40
RS140-3 44.45 1 3/4" 25.40 25.40
RS160-3 50.80 2" 28.58 31.75
RS180-3 57.15 2 1/4" 35.71 35.72
RS200-3 63.50 2 1/2" 39.68 38.10
Dimensions in mm
Tsubaki Chain No. Pin Link Plate
Diameter
d2
Length
L1
Length
L2
Length
L
Thickness
T
Height
H (max.)
RS25-3 2.31 10.15 10.95 - 0.74 5.84
RS35-3 3.59 16.00 16.90 34.60 1.25 9.00
RS40-3 3.97 22.65 24.15 47.90 1.50 12.00
RS50-3 5.09 28.40 30.20 59.90 2.00 15.00
RS60-3 5.96 35.65 38.15 75.50 2.40 18.10
RS80-3 7.94 45.60 48.50 96.90 3.20 24.10
RS100-3 9.54 55.65 58.75 117.30 4.00 30.10
RS120-3 11.11 70.40 74.40 148.60 4.80 36.20
RS140-3 12.71 75.85 80.75 161.30 5.60 42.20
RS160-3 14.29 90.45 95.45 190.70 6.40 48.20
RS180-3 17.46 101.70 108.50 216.90 7.15 54.20
RS200-3 19.85 110.75 116.45 233.00 8.00 60.30
Dimensions in mm
Tsubaki Chain No. Transverse Pitch
pt
Min. Tensile Strength acc. to ISO 606
kN
Min. Tensile Strength acc. to Tsubaki
kN
Approx. Mass
kg/m
RS25-3 6.40 10.8 12.4 0.42
RS35-3 10.10 26.1 29.4 1.05
RS40-3 14.40 45.6 53.0 1.90
RS50-3 18.10 72.0 85.3 3.09
RS60-3 22.80 102.6 121.0 4.54
RS80-3 29.30 183.6 215.0 7.89
RS100-3 35.80 286.2 321.0 11.77
RS120-3 45.40 411.3 444.0 17.53
RS140-3 48.90 557.7 580.0 22.20
RS160-3 58.50 733.8 765.0 30.02
RS180-3 65.80 924.6 1010.0 38.22
RS200-3 71.60 1145.1 1280.0 49.02

Quadruple Strand Details

ANSI G7 Standard Roller Chain ANSI G7 Standard Roller Chain
Dimensions-mm
Tsubaki Chain No. Pitch
p
Roller Diameter
d1
Inner Width
b1
RS35-4 9.525 3/8" 5.08 4.78
RS40-4 12.70 1/2" 7.92 7.95
RS50-4 15.875 5/8" 10.16 9.53
RS60-4 19.05 3/4" 11.91 12.70
RS80-4 25.40 1" 15.88 15.88
RS100-4 31.75 1 1/4" 19.05 19.05
RS120-4 38.10 1 1/2" 22.23 25.40
Dimensions in mm
Tsubaki Chain No. Pin Link Plate
Diameter
d2
Length
L1
Length
L2
Length
L
Thickness
T
Height
H (max.)
RS35-4 3.59 21.05 21.95 44.70 1.25 9.00
RS40-4 3.97 29.90 31.30 62.30 1.50 12.00
RS50-4 5.09 37.45 39.25 78.10 2.00 15.00
RS60-4 5.96 47.05 49.55 98.30 2.40 18.10
RS80-4 7.94 60.25 63.25 126.30 3.20 24.10
RS100-4 9.54 73.55 76.65 153.10 4.00 30.10
RS120-4 11.11 93.10 97.10 194.00 4.80 36.20
Dimensions in mm
Tsubaki Chain No. Transverse Pitch
pt
Min. Tensile Strength acc. to ISO 606
kN
Min. Tensile Strength acc. to Tsubaki
kN
Approx. Mass
kg/m
RS35-4 10.10 - 39.2 1.41
RS40-4 14.40 - 70.6 2.53
RS50-4 18.10 - 114.0 4.11
RS60-4 22.80 - 161.0 6.04
RS80-4 29.30 - 286.0 10.50
RS100-4 35.80 - 428.0 15.70
RS120-4 45.40 - 592.0 23.36