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Chain Product » Conveyor Chain » RF Double Pitch Chain Λ Lambda (C-Λ)
RF Double Pitch Chain Λ Lambda (C-Λ) Tsubaki RF Double Pitch Chain Λ Lambda (C-Λ)
The latest in lube free chain-Tsubaki "Lambda Series" drive chain

Superior wear life without lubrication-more than 14 times longer than standard roller chain (#35, #120, #140, five times longer) 1.5 to 10 times longer than brands of oil sealed chain. 1.2 to 20 times longer than lube free chain.
S Roller
R Roller
A-1 & A-2 Attachment
K-1 & K-2 Attachment
SA-1 & SA-2 Attachment
SK-1 & SK-2 Attachment
EP & GK-1 Attachments
Dimensions-mm
Chain No. Pitch
P
Roller Dia. Width between Roller Link Plates
W
Standard Nickel Plated "S" roller "R" roller
RFC2040-Λ RFC2040NP-Λ 25.40 7.92 15.88 7.95
RFC2050-Λ RFC2050NP-Λ 31.75 10.16 19.05 9.53
RFC2060-Λ RFC2060NP-Λ 38.10 11.91 22.23 12.70
RFC2080-Λ RFC2080NP-Λ 50.80 15.88 28.58 15.88
RFC2100-Λ RFC2100NP-Λ 63.50 19.05 39.69 19.05
Dimensions-mm
Chain No. Pin Link Plate
Standard Nickel Plated Dia.
D
Length Thickness
T
Height
H
L1 L2
RFC2040-Λ RFC2040NP-Λ 3.97 8.25 9.95 1.5 12.0
RFC2050-Λ RFC2050NP-Λ 5.09 10.3 12.0 2.0 15.0
RFC2060-Λ RFC2060NP-Λ 5.96 14.55 16.55 3.2 17.0
RFC2080-Λ RFC2080NP-Λ 7.94 18.3 20.9 4.0 23.0
RFC2100-Λ RFC2100NP-Λ 9.54 21.8 24.5 4.8 28.6
Dimensions-mm
Chain No. Average Tensile Strength
kN {kgf}
Maximum Allowable Load
kN {kgf}
Standard Nickel Plated
RFC2040-Λ RFC2040NP-Λ 15.7 {1,600} 2.65 {270}
RFC2050-Λ RFC2050NP-Λ 25.5 {2,600} 4.31 {440}
RFC2060-Λ RFC2060NP-Λ 37.3 {3,800} 6.28 {640}
RFC2080-Λ RFC2080NP-Λ 63.71 {6,500} 10.7 {1,090}
RFC2100-Λ RFC2100NP-Λ 100 {10,200} 17.1 {1,740}
Dimensions-mm
Chain No. Approx. Mass
kg/m
Number of Links per unit
Standard Nickel Plated "S" roller "R" roller
RFC2040-Λ RFC2040NP-Λ 0.51 0.87 120
RFC2050-Λ RFC2050NP-Λ 0.84 1.30 96
RFC2060-Λ RFC2060NP-Λ 1.51 2.19 80
RFC2080-Λ RFC2080NP-Λ 2.41 3.52 60
RFC2100-Λ RFC2100NP-Λ 3.54 5.80 48
Dimensions-mm
Chain No. Attachment Dimensions
Standard Nickel Plated C C1 C2 K N *O *O1 S T X X2 XS D L3 L4 G
RFC2040-Λ RFC2040NP-Λ 12.7 11.1 13.6 9.5 19.1 3.6 5.2 9.1 1.5 19.3 17.6 19.8 3.97 9.5 16.75 4.1
RFC2050-Λ RFC2050NP-Λ 15.875 14.3 15.9 11.9 23.8 5.2 6.8 11.1 2.0 24.2 22.0 24.6 5.09 11.9 21.0 5.1
RFC2060-Λ RFC2060NP-Λ 21.45 17.5 19.1 14.3 28.6 5.2 8.7 14.7 3.2 31.5 28.2 30.6 5.96 14.3 27.45 6.1
RFC2080-Λ RFC2080NP-Λ 27.8 22.2 25.4 19.1 38.1 6.8 10.3 19.1 4.0 40.7 36.6 40.5 7.94 19.1 35.5 8.1
RFC2100-Λ RFC2100NP-Λ 33.35 28.6 31.8 23.8 47.6 8.7 14.3 23.4 4.8 49.9 44.9 50.4 9.54 23.8 43.4 10.1
Dimensions-mm
Chain No. Additional weight per attachment
kg
Standard Nickel Plated A&SA Att. K&SK Att. EP Att.
RFC2040-Λ RFC2040NP-Λ 0.003 0.006 0.001
RFC2050-Λ RFC2050NP-Λ 0.006 0.012 0.002
RFC2060-Λ RFC2060NP-Λ 0.017 0.034 0.003
RFC2080-Λ RFC2080NP-Λ 0.032 0.064 0.007
RFC2100-Λ RFC2100NP-Λ 0.060 0.120 0.012
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