Lambda Chain BS/DIN standard 　Major Specifications

RS20B-LM-2


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Catalogs ・Instruction Manuals

Major Specifications

Size & Specification & No. of strands JIS no. No. of
strands 		Min. tensile strength
kN {kgf}		 Estimated Mass
kg/m		 No. of links
per unit 		Allowable speed
m/min		 Operating
temperature
range
RS20B-LM-2 20B 2 170{17300} 7.65 96 80 -10℃～150℃

Notes
　1.Minimum tensile strength of attachment chain differs from the above. Contact us.
　2.Made to order


Principal dimensions 　mm

Pitch
P		 Roller dia.
R		 Inner link inner width
W		 Plate Pin Transverse pitch
C
mm
T1 T2 H h D L1 L2 L
31.75 19.05 19.56 3.4 4.4 26.4 26.0 10.19 38.25 41.45 84.6 36.45

Notes
　1.Cotter pins are used for offset links.
　2.Connecting links are cotter pin type.


Applicable connecting link

Type Connecting link Offset link
Model No. RS20B-LM-2-MWJLRS20B-LM-2-OL
Standard Price Contact us for details. Contact us for details.
Delivery Contact us for details. Contact us for details.

Notes for use

　1.Operating Temperature: -10℃ to 150℃
　2.Sprocket: Use sprockets for BS Roller Chain (ISO B Series).
　3.Compatibility: Compatible with single-strand BS/DIN Standard RS Roller Chain, but the transmission capacity and allowable speeds are different.


Transmission Capacity Table 　kW　1.7 multiplied multi-strand coefficient

Small
sprocket
no. of teeth
Small sprocket RPM 　r/min
10 25 50 100 150 200 275
9 0.92 2.09 3.91 7.31 10.5 13.6 18.2
10 1.04 2.35 4.39 8.19 11.8 15.3
11 1.14 2.60 4.86 9.08 13.1 16.9
12 1.26 2.86 5.34 9.98 14.4 18.5
13 1.38 3.13 5.83 10.9 15.7
14 1.48 3.38 6.31 11.8 17.0
15 1.60 3.64 6.80 12.7 18.4
16 1.72 3.91 7.29 13.6 19.6
17 1.84 4.17 7.79 14.5
18 1.94 4.44 8.28 15.5
19 2.06 4.71 8.77 16.4
20 2.18 4.96 9.28 17.3
21 2.30 5.24 9.78 18.2
22 2.41 5.51 10.3 19.2
23 2.53 5.78 10.8 20.1
24 2.65 6.05 11.3 21.1
25 2.77 6.32 11.8 22.1
26 2.89 6.60 12.3

Notes
　1.kW ratings when using a 1-pitch offset link (OL) are 80% of the above.
　2.The kW rating table is different from that of RS Roller Chain.