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