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ANSI Single Pitch
Curved (CU) Chain


 

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ANSI Single Pitch Curved (CU) Chain

Due to Tsubaki's exclusive pin and bush structure and the wide plate to plate clearance, this roller chain has a large side flex radius. The basic dimensions of this chain are the same as ANSI standard roller chain. The ability to use ANSI standard sprockets makes curved transmission simple. Guides are required at all curved areas.

For more detailed information and to download CAD data about click here

Single Strand Details

tsubaki-cu
tsubaki-ansi-cu-single-strand
Dimensions in mm
Tsubaki Chain No. Pitch (P) Roller Diameter Inner Width
mm Inch R W
RS40-CU 12.70 ½" 7.92 7.95
RS50-CU 15.875 ⅝" 10.16 9.53
RS60-CU 19.05 ¾" 11.91 12.70
RS80-CU 25.40 1" 15.88 15.88
Dimensions in mm
Tsubaki Chain No. Pin Link Plate Min.
Bending
Radius
Approx.
Mass
Diameter Length Thickness Height
D L1 L2 T H r Kg/M
RS40-CU 3.97 8.45 9.75 1.50 12.00 350 0.61
RS50-CU 5.09 10.60 12.40 2.00 15.00 400 1.01
RS60-CU 5.96 13.25 15.05 2.40 18.10 500 1.40
RS80-CU 7.94 16.75 20.05 3.20 24.10 600 2.47
  • Operating temperature range: -10°C to +60°C.
  • Can use RS sprockets.