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ANSI Neptune™ Chain


 

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ANSI Neptune™ Chain

ANSI Neptune™ Chain is a Tsubaki ANSI chain that has undergone a special surface treatment. The link plates, bushes and pins have a special two stage layer applied in order to provide the maximum protection from the operating or environmental conditions. (Spring clips are SUS301). Neptune™ rollers have a special coating designed to resist the corrosive conditions as well as the severe dynamic contact between roller and sprocket.

neptune

Single Strand Details

Tsubaki ANSI N.E.P. Chain
Dimensions-mm
Tsubaki Chain No. Pitch
p
Roller Diameter
d1
Inner Width
b1
RS35-NEP-1 9.525 3/8" 5.08 4.78
RS40-NEP-1 12.70 1/2" 7.92 7.95
RS50-NEP-1 15.875 5/8" 10.16 9.53
RS60-NEP-1 19.05 3/4" 11.91 12.70
RS80-NEP-1 25.40 1" 15.88 15.88
Dimensions in mm
Tsubaki Chain No. Pin Link Plate
Diameter
d2
Length
L1
Length
L2
Length
L
Thickness
T
Height
H (max.)
RS35-NEP-1 3.59 5.85 6.85 13.50 1.25 9.00
RS40-NEP-1 3.97 8.25 9.95 18.00 1.50 12.00
RS50-NEP-1 5.09 10.30 12.00 22.50 2.00 15.00
RS60-NEP-1 5.96 12.85 14.75 28.20 2.40 18.10
RS80-NEP-1 7.94 16.25 19.25 38.20 3.20 24.10
Dimensions in mm
Tsubaki Chain No. Min. Tensile Trength acc. to ANSI
kN
Min. Tensile Strength acc. to Tsubaki
kN
Av. Tensile Strength acc. to Tsubaki
kN
Approx. Mass
kg/m
RS35-NEP-1 8.7 9.8 11.3 0.33
RS40-NEP-1 15.2 17.7 19.1 0.64
RS50-NEP-1 24.0 28.4 31.4 1.04
RS60-NEP-1 34.2 40.2 44.1 1.53
RS80-NEP-1 61.2 71.6 78.5 2.66
  • Connecting links are clip type for sizes RS35-NEP to RS60-NEP, and cotter type for size RS80-NEP.
  • When a single pitch offset link is used, please calculate a 35% reduction of the fatigue strength.
  • For details on corrosion resistance selection, please consult our Corrosion Resistance Guide.
  • The listed sizes are stock items, other chain sizes are available on request.