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Specialty Roller Chains

Pin Gear Attachment Chain

For straight drive and large-radius turning operations, a chain gear is used by the drive
source (motor, etc.) through a reducer. This can result in cost issues and so on, as the
chain requires a great deal of space, and precision processing is required for the gears.
Pin Gears are perfect in this situation.

An Attachment Chain is use around the outside of the drum in place of a gear drive wheel,
and a specially-processed sprocket is used for the pinion gear. For linear operation, an
Attachment Chain is installed horizontally in place of the rack. Be sure to use heat-treated
installation bolts.

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Leaf Chains

TSUBAKI
Chain Number
Pitch
P
Plate
Configuration
Plates Pins Maximum Tensile
Strength
kN{kgf}
Approximate
Mass
kg/m
H T D L1 L2
AL422 12..70 2 x 2 10.4 1.5 3.97 4.20 5.30 16.7{ 1700} 0.38
AL444 4 x 4 7.43 8.52 33.3{ 3400} 0.74
AL466 6 x 6 10.65 11.75 50.5{ 5100} 1.10
AL522 15.875 2 x 2 13.0 2.0 5.08 5.43 6.97 27.5{ 2800} 0.62
AL544 4 x 4 9.68 11.22 54.9{ 5600} 1.22
AL566 6 x 6 13.90 15.45 82.4{ 8400} 1.81
AL622 19.05 2 x 2 15.6 2.4 5.94 6.33 8.22 38.2{ 3900} 0.87
AL644 4 x 4 11.28 13.17 76.5{ 7800} 1.71
AL666 6 x 6 16.23 18.12 115{11700} 2.54
AL822 25.40 2 x 2 20.8 3.2 7.90 8.18 10.97 64.7{ 6600} 1.51
AL844 4 x 4 14.90 17.70 129{13200} 2.98
AL866 6 x 6 21.60 24.40 194{19800} 4.44
AL1022 31.75 2 x 2 26.0 4.0 9.48 10.03 13.22 98.1{10000} 2.96
AL1044 4 x 4 18.35 21.55 196{20000} 5.31
AL1066 6 x 6 26.65 29.85 294{30000} 7.93
AL1222 38.10 2 x 2 31.2 4.8 11.04 12.10 15.80 141{14400} 3.57
AL1244 4 x 4 22.00 25.70 282{28800} 7.07
AL1266 6 x 6 31.93 35.62 424{43200} 10.56
AL1444 44.45 4 x 4 36.4 5.6 12.64 25.65 30.15 373{38000} 10.34
AL1466 6 x 6 37.28 41.77 559{57000} 15.16
AL1644 50.80 4 x 4 41.6 6.4 14.21 29.03 34.02 471{48000} 12.98
AL1666 6 x 6 42.23 47.22 706{72000} 19.41

BL Type

TSUBAKI
Chain Number
Pitch
P
Plate
Configuration
Plates Pins Maximum Tensile
Strength
kN{kgf}
Approximate
Mass
kg/m
H T D L1 L2
BL423 12..70 2 x 3 12.0 2.0 5.08 6.48 8.02 23.5{ 2400} 0.84
BL434 3 x 4 8.60 10.15 35.3{ 3600} 1.13
BL446 4 x 6 11.80 13.35 47.1{ 4800} 1.65
BL523 15.875 2 x 3 15.0 2.4 5.94 7.55 9.45 39.2{ 4000} 1.27
BL534 3 x 4 10.05 11.95 58.8{ 6000} 1.69
BL546 4 x 6 13.75 15.65 78.5{ 8000} 2.40
BL623 19.05 2 x 3 18.1 3.2 7.90 9.88 12.67 63.7{ 6500} 2.04
BL634 3 x 4 13.23 16.02 95.6{ 9750} 2.83
BL646 4 x 6 18.25 21.05 127{13000} 4.01
BL823 25.40 2 x 3 24.1 4.0 9.48 12.10 15.30 103{10500} 3.20
BL834 3 x 4 16.28 19.47 155{15800} 4.44
BL846 4 x 6 22.50 25.70 206{21000} 6.32
BL1023 31.75 2 x 3 30.1 4.8 11.04 14.45 18.15 141{14400} 4.69
BL1034 3 x 4 19.43 23.12 216{22000} 6.55
BL1046 4 x 6 26.85 30.55 282{28800} 9.29
BL1223 38.10 2 x 3 36.2 5.6 12.64 16.95 21.45 186{19000} 6.54
BL1234 3 x 4 22.75 27.25 299{30500} 9.10
BL1246 4 x 6 31.48 35.97 373{38000} 12.01
BL1423 44.45 2 x 3 42.2 6.4 14.21 19.10 24.10 235{24000} 9.06
BL1434 3 x 4 25.70 30.70 387{39500} 11.32
BL1446 4 x 6 35.63 40.62 471{48000} 18.00
BL1623 50.80 2 x 3 48.2 7.2 17.38 21.63 28.22 353{36000} 12.16
BL1634 3 x 4 29.20 35.80 554{56500} 16.95
BL1646 4 x 6 40.53 47.12 706{72000} 24.09
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Curved Stainless Steel Roller Chains

These roller chains have a wide sideflex due to its original pin / bush construction and the large
clearance between its plates. Curved transmission is easy using RS-type standard sprockets.

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Curved Roller Chain

TSUBAKI
Chain Number
Pitch
P
Roller
Diameter
R
Inner Width of
Inner Link
W
Plates Pins Tightest lateral Average Tensile Maximum Approximate  Number of
Links Per Unit
Thickness Height Height Diameter L1 + L2 L1 L2 bend diameter  Strength Allowable Load Mass
T H h r  kN{kgf}  kN{kgf} kg/m
RS40-CU-1 12.70 7.92 7.95 1.5 12.0 10.4 3.97 18.2 8.45 9.75 350 15.5{1580} 1.86{190} 0.61 240
RS50-CU-1 15.875 10.16 9.53 2.0 15.0 13.0 5.09 23.0 10.6 12.4 400 24.1{2460} 2.84{290} 1.01 192
RS60-CU-1 19.05 11.91 12.70 2.4 18.1 15.6 5.96 28.3 13.25 15.05 500 34.9{3560} 4.02{410} 1.40 160
RS80-CU-1 25.40 15.88 15.88 3.2 24.1 20.8 7.94 36.8 16.75 20.05 600 61.6{6280} 6.96{710} 2.47 120
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