BS Lambda Lube Free
Roller Chain


 

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BS Lambda Lube Free Roller Chain

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Tsubaki's Lambda Chains were the first in the industry to use a special oil-impregnated bush. Since their launch in 1988, they have been adopted for diverse industries and applications, and their performance has been highly rated. Tsubaki has a wide line-up of lube-free, long life products that help customers reduce costs.

Single Strand Details

bs-lambda tsubaki-rs-bs-lm.jpg
Dimensions in mm
Tsubaki Chain No. Pitch (P) Roller Diameter Inner Width
mm Inch R W
RF06B-LM-1 9.525 ⅜" 6.35 5.72
RS08B-LM-1 12.70 ½" 8.51 7.75
RS10B-LM-1 15.875 ⅝" 10.16 9.65
RS12B-LM-1 19.05 ¾" 12.07 11.68
RS16B-LM-1 25.40 1" 15.88 17.02
RS20B-LM-1 31.75 1¼" 19.05 19.56
RS24B-LM-1 38.10 1½" 25.40 25.40
Dimensions in mm
Tsubaki Chain No. Pin Link Plate
Diameter Length Offset Pin
Length
Thickness Height
D L1 L2 L T1 T2 H
RF06B-LM-1 3.28 6.10 7.70 15.10 1.00 1.30 8.20
RS08B-LM-1 4.45 8.40 10.00 18.60 1.60 1.60 11.80
RS10B-LM-1 5.08 9.55 11.25 20.80 1.50 1.50 14.70
RS12B-LM-1 5.72 11.10 13.00 24.40 1.80 1.80 16.10
RS16B-LM-1 8.28 17.75 19.95 39.30 3.20 4.00 21.00
RS20B-LM-1 10.19 19.90 23.10 46.60 3.40 4.40 26.40
RS24B-LM-1 14.63 26.65 31.85 61.70 5.60 6.00 33.40
Dimensions in mm
Tsubaki Chain No. Transvere Pitch
C
Min. Tensile Strength
kN
Approx. Mass
Kg/m
Number of links
per unit
RF06B-LM-1 - 8.90 0.39 160
RS08B-LM-1 - 17.80 0.70 150
RS10B-LM-1 - 22.20 0.95 192
RS12B-LM-1 - 28.90 1.25 160
RS16B-LM-1 - 60.00 2.70 120
RS20B-LM-1 - 95.00 3.85 96
RS24B-LM-1 - 160.0 7.45 80
  • Connecting links are clip type for sizes up to RS16B-LM, and cotter type for sizes RS20B-LM to RS24B-LM.
  • RF06B-LM chain has flat shaped link plates.
  • Center sink riveting is applied for RS08B-LM-1 to RS16B-LM-1. Double stake riveting is applied to all other sizes including multi-strand chain.
  • When a single pitch offset link is used, please calculate a 35% reduction of the fatigue strength.
  • Also available in Neptune™ specification.

Double Strand Details

bs-lambda2 tsubaki-rs-bs-lm.jpg
Dimensions in mm
Tsubaki Chain No. Pitch (P) Roller Diameter Inner Width
mm Inch R W
RF06B-LM-2 9.525 ⅜" 6.35 5.72
RS08B-LM-2 12.70 ½" 8.51 7.75
RS10B-LM-2 15.875 ⅝" 10.16 9.65
RS12B-LM-2 19.05 ¾" 12.07 11.68
RS16B-LM-2 25.40 1" 15.88 17.02
RS20B-LM-2 31.75 1¼" 19.05 19.56
RS24B-LM-2 38.10 1½" 25.40 25.40
Dimensions in mm
Tsubaki Chain No. Pin Link Plate
Diameter Length Offset Pin
Length
Thickness Height
D L1 L2 L T1 T2 H
RF06B-LM-2 3.28 11.20 12.80 25.90 1.30 1.00 8.20
RS08B-LM-2 4.45 15.30 16.90 34.50 1.60 1.60 11.80
RS10B-LM-2 5.08 17.85 19.55 39.40 1.50 1.50 14.70
RS12B-LM-2 5.72 20.85 22.75 45.90 1.80 1.80 16.10
RS16B-LM-2 8.28 33.55 35.75 75.20 3.20 4.00 21.00
RS20B-LM-2 10.19 38.25 41.45 84.60 3.40 4.40 26.40
RS24B-LM-2 14.63 50.80 56.00 112.80 5.60 6.00 33.40
Dimensions in mm
Tsubaki Chain No. Transvere Pitch
C
Min. Tensile Strength
kN
Approx. Mass
Kg/m
Number of links
per unit
RF06B-LM-2 10.24 16.9 0.75 320
RS08B-LM-2 13.92 31.10 1.35 240
RS10B-LM-2 16.59 44.50 1.85 192
RS12B-LM-2 19.46 57.80 2.50 160
RS16B-LM-2 31.88 106.0 5.40 120
RS20B-LM-2 36.45 170.0 7.65 96
RS24B-LM-2 48.36 280.0 14.65 80
  • Connecting links are clip type for sizes up to RS16B-LM, and cotter type for sizes RS20B-LM to RS24B-LM.
  • RF06B-LM chain has flat shaped link plates.
  • Intermediate plate of RF06B-LM-2 and RS08B-LM-2 is a solid plate.
  • Centre sink riveting is applied for RS08B-LM-1 to RS16B-LM-1. Double stake riveting is applied to all other sizes including multi-strand chain.
  • When a single pitch offset link is used, please calculate a 35% reduction of the fatigue strength.
  • Also available in Neptune™ specification.

Download the Lambda catalogue in PDF here.