Introducing Tsubaki Neptune Chain
Tsubaki Launches 100th Anniversary Model G8 Series Tsubaki proudly presents the worldwide release of Surface Treated Neptune Chain, our solution...
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BS/DIN 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
| 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 |
| 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 |
| 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 |
- RF06B chain has flat-shaped link plates.
- Connecting links are clip type for sizes up to RS16B, and cotter type for sizes RS20B to RS48B.
- Center sink riveting is applied to RS08B-1 to RS16B-1 single strand chain.
- Double stake riveting is applied to all other sizes including multi-strand chain.
- The listed sizes are stock items, other chain sizes are available on request.
Double Strand Details
| 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 |
| 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 |
| 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 |
- RF06B chain has flat-shaped link plates.
- Connecting links are clip type for sizes up to RS16B, and cotter type for sizes RS20B to RS48B.
- Intermediate plate of multi strand RF06B and RS08B chain is a solid plate.
- Double stake riveting is applied to all other sizes including multi-strand chain.
- The listed sizes are stock items, other chain sizes are available on request.
Triple Strand Details
| 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 |
| 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 |
| 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 |
- RF06B chain has flat-shaped link plates.
- Intermediate plate of multi strand RF06B and RS08B chain is a solid plate.
- Connecting links are clip type for sizes up to RS16B, and cotter type for sizes RS20B to RS48B.
- Double stake riveting is applied to all other sizes including multi-strand chain.
- The listed sizes are stock items, other chain sizes are available on request.
- To download a catalogues for GT4 Winner in PDF, click here
