BS/DIN GT4 Winner

GT4 Winner

Since 1917 Tsubakimoto Chain Company has maintained a line-up of cutting-edge chain products with exceptional quality and performance that help end-users meet their power transmission and conveying requirements.

Tsubaki is proud to introduce the 4th generation, enhanced BS/DIN premium chain. The product is available in chain sizes from RF06B up to RS48B*. Simplex, duplex and triplex executions are at your disposal.
*RF06B curled bush; RS56B/RS72B on request

Single Strand Details

GT4 Winner Standard Roller Chain GT4 Winner Standard Roller Chain
Dimensions-mm
Tsubaki Chain No. Pitch
p
Roller Diameter
d1
Inner Width
b1
RS05B-1 8.00 0.315" 5.00 3.00
RF06B-1 9.525 3/8" 6.35 5.72
RS08B-1 12.70 1/2" 8.51 7.75
RS10B-1 15.875 5/8" 10.16 9.65
RS12B-1 19.05 3/4" 12.07 11.68
RS16B-1 25.40 1" 15.88 17.02
RS20B-1 31.75 1 1/4" 19.05 19.56
RS24B-1 38.10 1 1/2" 25.40 25.40
RS28B-1 44.45 1 3/4" 27.94 30.99
RS32B-1 50.80 2" 29.21 30.99
RS40B-1 63.50 2 1/2" 39.37 38.10
RS48B-1 76.20 3" 48.26 45.72
Dimensions in mm
Tsubaki Chain No. Pin Link Plate
Diameter
d2
Length
L1
Length
L2
Length
L
Thickness
T
Thickness
t
Height
H (max.)
RS05B-1 2.30 3.80 4.70 - 0.75 0.75 7.10
RF06B-1 3.27 6.10 7.70 14.20 1.30 1.00 8.20
RS08B-1 4.45 8.40 10.00 18.40 1.60 1.60 12.00
RS10B-1 5.08 9.55 11.25 21.10 1.50 1.50 14.70
RS12B-1 5.72 11.10 13.00 24.80 1.80 1.80 16.10
RS16B-1 8.28 17.75 19.95 38.90 4.00 3.20 21.00
RS20B-1 10.19 19.90 23.10 46.95 4.40 3.40 26.00
RS24B-1 14.63 26.65 31.85 62.00 6.00 5.60 33.40
RS28B-1 15.90 32.45 37.45 74.50 7.50 6.30 36.40
RS32B-1 17.81 32.10 37.70 73.50 7.00 6.30 42.20
RS40B-1 22.89 39.25 45.05 88.85 8.50 8.00 52.90
RS48B-1 29.23 49.30 58.80 117.70 12.10 10.00 63.80
Dimensions in mm
Tsubaki Chain No. Transverse Pitch
pt
Min. Tensile Strength acc. to ISO 606
kN
Min. Tensile Strength acc. to Tsubaki
kN
Av. Tensile Strength acc. to Tsubaki
kN
Approx. Mass
kg/m
RS05B-1 - 4.4 5.0 5.8 0.18
RF06B-1 - 8.9 9.0 9.9 0.39
RS08B-1 - 17.8 19.0 20.9 0.70
RS10B-1 - 22.2 23.0 25.3 0.95
RS12B-1 - 28.9 31.0 34.1 1.25
RS16B-1 - 60.0 70.0 77.0 2.70
RS20B-1 - 95.0 98.1 108.0 3.85
RS24B-1 - 160.0 167.0 184.0 7.45
RS28B-1 - 200.0 200.0 220.0 9.45
RS32B-1 - 250.0 255.0 281.0 10.25
RS40B-1 - 355.0 373.0 410.0 16.35
RS48B-1 - 560.0 565.0 618.0 25.00

Double Strand Details

GT4 Winner Standard Roller Chain GT4 Winner Standard Roller Chain
Dimensions-mm
Tsubaki Chain No. Pitch
p
Roller Diameter
d1
Inner Width
b1
RS05B-2 8.00 0.315" 5.00 3.00
RF06B-2 9.525 3/8" 6.35 5.72
RS08B-2 12.70 1/2" 8.51 7.75
RS10B-2 15.875 5/8" 10.16 9.65
RS12B-2 19.05 3/4" 12.07 11.68
RS16B-2 25.40 1" 15.88 17.02
RS20B-2 31.75 1 1/4" 19.05 19.56
RS24B-2 38.10 1 1/2" 25.40 25.40
RS28B-2 44.45 1 3/4" 27.94 30.99
RS32B-2 50.80 2" 29.21 30.99
RS40B-2 63.50 2 1/2" 39.37 38.10
RS48B-2 76.20 3" 48.26 45.72
Dimensions in mm
Tsubaki Chain No. Pin Link Plate
Diameter
d2
Length
L1
Length
L2
Length
L
Thickness
T
Thickness
t
Height
H (max.)
RS05B-2 2.30 6.65 7.52 - 0.75 0.75 7.10
RF06B-2 3.27 11.43 12.57 - 1.30 1.00 8.20
RS08B-2 4.45 15.30 16.90 33.60 1.60 1.60 12.00
RS10B-2 5.08 17.85 19.55 39.40 1.50 1.50 14.70
RS12B-2 5.72 20.85 22.75 46.30 1.80 1.80 16.10
RS16B-2 8.28 33.55 35.75 73.80 4.00 3.20 21.00
RS20B-2 10.19 38.25 41.45 84.85 4.40 3.40 26.00
RS24B-2 14.63 50.80 56.00 112.95 6.00 5.60 33.40
RS28B-2 15.90 62.15 67.15 136.85 7.50 6.30 36.40
RS32B-2 17.81 61.25 66.85 135.25 7.00 6.30 42.20
RS40B-2 22.89 75.40 81.20 163.55 8.50 8.00 52.90
RS48B-2 29.23 95.00 104.40 209.00 12.10 10.00 63.80
Dimensions in mm
Tsubaki Chain No. Transverse Pitch
pt
Min. Tensile Strength acc. to ISO 606
kN
Min. Tensile Strength acc. to Tsubaki
kN
Av. Tensile Strength acc. to Tsubaki
kN
Approx. Mass
kg/m
RS05B-2 5.64 7.8 7.8 8.9 0.35
RF06B-2 10.24 16.9 17.0 18.7 0.75
RS08B-2 13.92 31.1 32.0 35.2 1.35
RS10B-2 16.59 44.5 44.5 49.0 1.85
RS12B-2 19.46 57.8 61.0 67.1 2.50
RS16B-2 31.88 106.0 128.0 141.0 5.40
RS20B-2 36.45 170.0 197.0 217.0 7.65
RS24B-2 48.36 280 335.0 369.0 14.65
RS28B-2 59.56 360.0 374.0 411.0 18.80
RS32B-2 58.55 450.0 485.0 534.0 21.10
RS40B-2 72.29 630.0 716.0 788.0 32.00
RS48B-2 91.21 1000.0 1000.0 1150.0 50.00

Triple Strand Details

GT4 Winner Standard Roller Chain GT4 Winner Standard Roller Chain
Dimensions-mm
Tsubaki Chain No. Pitch
p
Roller Diameter
d1
Inner Width
b1
RS05B-3 8.00 0.315" 5.00 3.00
RF06B-3 9.525 3/8" 6.35 5.72
RS08B-3 12.70 1/2" 8.51 7.75
RS10B-3 15.875 5/8" 10.16 9.65
RS12B-3 19.05 3/4" 12.07 11.68
RS16B-3 25.40 1" 15.88 17.02
RS20B-3 31.75 1 1/4" 19.05 19.56
RS24B-3 38.10 1 1/2" 25.40 25.40
RS28B-3 44.45 1 3/4" 27.94 30.99
RS32B-3 50.80 2" 29.21 30.99
RS40B-3 63.50 2 1/2" 39.37 38.10
RS48B-3 76.20 3" 48.26 45.72
Dimensions in mm
Tsubaki Chain No. Pin Link Plate
Diameter
d2
Length
L1
Length
L2
Length
L
Thickness
T
Thickness
t
Height
H (max.)
RS05B-3 2.30 9.45 10.34 - 0.75 0.75 7.10
RF06B-3 3.27 16.90 17.50 - 1.30 1.00 8.20
RS08B-3 4.45 22.25 23.85 47.60 1.60 1.60 12.00
RS10B-3 5.08 26.15 27.85 56.10 1.50 1.50 14.70
RS12B-3 5.72 30.60 32.50 66.0 1.80 1.80 16.10
RS16B-3 8.28 49.50 51.70 105.90 4.00 3.20 21.00
RS20B-3 10.19 56.50 59.70 121.35 4.40 3.40 26.00
RS24B-3 14.63 75.10 80.20 161.35 6.00 5.60 33.40
RS28B-3 15.90 91.95 96.95 196.45 7.50 6.30 36.40
RS32B-3 17.81 90.50 96.10 193.80 7.00 6.30 42.20
RS40B-3 22.89 111.50 117.30 235.85 8.50 8.00 52.90
RS48B-3 29.23 140.60 150.00 300.20 12.10 10.00 63.80
Dimensions in mm
Tsubaki Chain No. Transverse Pitch
pt
Min. Tensile Strength acc. to ISO 606
kN
Min. Tensile Strength acc. to Tsubaki
kN
Av. Tensile Strength acc. to Tsubaki
kN
Approx. Mass
kg/m
RS05B-3 5.64 11.1 11.2 12.8 0.53
RF06B-3 10.24 24.9 24.9 27.4 1.11
RS08B-3 13.92 44.5 47.5 52.3 2.00
RS10B-3 16.59 66.6 66.8 73.5 2.80
RS12B-3 19.46 86.7 92.0 101.0 3.80
RS16B-3 31.88 160.0 192.0 211.0 8.00
RS20B-3 36.45 250.0 295.0 325.0 11.45
RS24B-3 48.36 425.0 500.0 550.0 21.75
RS28B-3 59.56 530.0 560.0 616.0 28.20
RS32B-3 58.55 670.0 729.0 802.0 29.90
RS40B-3 72.29 950.0 1080.0 1190.0 47.75
RS48B-3 91.21 1500.0 1520.0 1750.0 75.00