RS roller chain 　Major Specifications

RS25-2


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PDF Outline Drawing

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Catalogs ・Instruction Manuals

Major Specifications

Size &
No. of strands 		No. of
strands 		Dimensions
L1
mm		Dimensions
L2
mm		Transverse pitch
C
mm		JIS tensile strength
kN {kgf}		 Min. tensile
strength
kN {kgf}		 Avg. tensile
strength
kN {kgf}		 Max. allowable
tension
kN {kgf}		 Estimated Mass
kg/m		 No. of links
per unit
RS25-2 2 7.07.76.47.0{714} 8.24{840} 9.41{960} 1.08{110} 0.27 160

Notes
　1.Only 2-pitch offset links are available. See the table above for the maximum allowable tension.
　2.Bushed chain without rollers
　3.Stocked unit


Standard prices and delivery time

Type Unit
RP type
Model No. RS25-2-RP-U
Standard Price Contact us for details.
Delivery Contact us for details.

Applicable connecting link

Type Connecting link 2-pitch
offset link
Model No. RS25-2-MCJLRS25-2-2POL
Standard Price Contact us for details. Contact us for details.
Delivery Contact us for details. Contact us for details.

Transmission Capacity Table 　kW　1.7 multiplied multi-strand coefficient

Small
sprocket
no. of teeth
Small sprocket RPM 　r/min
50 100 300 500 700 900 1200 1500 1800 2100 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 8500 9000 10000
Lubrication method AI Lubrication method AII Lubrication method B
9 0.03 0.05 0.14 0.22 0.31 0.39 0.51 0.61 0.73 0.83 0.97 1.14 1.33 1.29 1.09 0.94 0.80 0.70 0.63 0.56 0.51 0.46 0.43 0.39 0.32
10 0.03 0.07 0.17 0.26 0.34 0.44 0.56 0.70 0.82 0.94 1.09 1.29 1.48 1.51 1.28 1.09 0.94 0.83 0.73 0.66 0.60 0.54 0.49 0.44 0.39
11 0.03 0.07 0.19 0.29 0.39 0.48 0.63 0.77 0.90 1.04 1.21 1.43 1.63 1.75 1.46 1.26 1.09 0.95 0.85 0.75 0.68 0.61 0.56 0.51 0.44
12 0.03 0.07 0.20 0.31 0.43 0.53 0.68 0.83 0.99 1.14 1.33 1.56 1.80 1.99 1.67 1.43 1.24 1.09 0.97 0.87 0.78 0.70 0.65 0.60 0.51 Lubrication
method
C
13 0.05 0.09 0.22 0.34 0.46 0.58 0.75 0.92 1.07 1.24 1.45 1.70 1.96 2.21 1.89 1.62 1.39 1.22 1.09 0.97 0.88 0.80 0.73 0.66 0.56
14 0.05 0.09 0.24 0.37 0.49 0.63 0.82 0.99 1.17 1.34 1.56 1.85 2.13 2.40 2.11 1.80 1.56 1.36 1.21 1.09 0.99 0.88 0.82 0.75 0.63
15 0.05 0.09 0.26 0.39 0.54 0.68 0.87 1.07 1.26 1.45 1.68 1.99 2.30 2.58 2.33 1.99 1.73 1.51 1.34 1.21 1.09 0.99 0.90 0.83 0.70
16 0.05 0.10 0.27 0.43 0.58 0.73 0.94 1.14 1.34 1.55 1.82 2.14 2.45 2.77 2.57 2.19 1.90 1.67 1.48 1.33 1.19 1.09 0.99 0.92 0.78
17 0.05 0.10 0.29 0.46 0.61 0.77 1.00 1.22 1.45 1.65 1.94 2.28 2.62 2.96 2.82 2.41 2.09 1.84 1.62 1.45 1.31 1.19 1.09 1.00 0.85
18 0.07 0.12 0.31 0.48 0.66 0.82 1.07 1.29 1.53 1.77 2.06 2.43 2.79 3.15 3.08 2.62 2.28 1.99 1.77 1.58 1.43 1.29 1.19 1.09 0.94
19 0.07 0.12 0.32 0.51 0.70 0.87 1.12 1.38 1.63 1.87 2.18 2.57 2.96 3.33 3.33 2.84 2.47 2.16 1.92 1.72 1.55 1.41 1.28 1.17 1.00
20 0.07 0.12 0.34 0.54 0.73 0.92 1.19 1.46 1.72 1.97 2.31 2.72 3.13 3.52 3.59 3.08 2.67 2.33 2.07 1.85 1.67 1.51 1.38 1.28 1.09
21 0.07 0.14 0.36 0.58 0.77 0.97 1.26 1.53 1.80 2.07 2.43 2.87 3.30 3.71 3.88 3.30 2.86 2.52 2.23 1.99 1.80 1.63 1.50 1.36 1.17
22 0.07 0.14 0.37 0.60 0.82 1.02 1.33 1.62 1.90 2.19 2.55 3.01 3.47 3.91 4.15 3.54 3.08 2.69 2.40 2.14 1.92 1.75 1.60 1.46 1.26
23 0.09 0.15 0.39 0.63 0.85 1.07 1.39 1.70 1.99 2.30 2.69 3.16 3.64 4.10 4.44 3.79 3.28 2.87 2.55 2.28 2.06 1.87 1.70 1.56 1.34
24 0.09 0.15 0.43 0.66 0.90 1.12 1.45 1.77 2.09 2.40 2.81 3.32 3.81 4.28 4.73 4.03 3.50 3.08 2.72 2.43 2.19 1.99 1.82 1.67 1.43
25 0.09 0.17 0.44 0.70 0.94 1.17 1.51 1.85 2.18 2.52 2.94 3.45 3.98 4.49 4.98 4.28 3.72 3.26 2.89 2.58 2.33 2.13 1.94 1.77 1.51
26 0.09 0.17 0.46 0.71 0.97 1.22 1.58 1.94 2.28 2.62 3.06 3.60 4.15 4.68 5.20 4.56 3.94 3.47 3.08 2.75 2.48 2.24 2.06 1.89 1.62
28 0.10 0.19 0.49 0.78 1.05 1.33 1.72 2.09 2.47 2.84 3.32 3.91 4.49 5.07 5.63 5.08 4.40 3.88 3.43 3.08 2.77 2.52 2.30 2.11 1.80
30 0.10 0.20 0.53 0.83 1.14 1.43 1.85 2.26 2.65 3.06 3.57 4.22 4.85 5.46 6.07 5.64 4.90 4.28 3.81 3.40 3.08 2.79 2.55 2.33 1.99
32 0.12 0.20 0.56 0.90 1.22 1.53 1.97 2.41 2.86 3.28 3.83 4.52 5.19 5.85 6.51 6.21 5.39 4.73 4.20 3.76 3.38 3.08 2.81 2.57 2.19
35 0.12 0.24 0.63 0.99 1.34 1.68 2.18 2.67 3.15 3.60 4.22 4.98 5.71 6.44 7.16 7.11 6.15 5.41 4.79 4.28 3.88 3.52 3.21 2.94 2.52
40 0.14 0.27 0.73 1.14 1.55 1.94 2.52 3.08 3.62 4.17 4.88 5.75 6.60 7.45 8.28 8.69 7.53 6.61 5.87 5.24 4.73 4.28 3.91 3.59 3.08
45 0.17 0.31 0.82 1.31 1.77 2.21 2.86 3.50 4.11 4.73 5.54 6.53 7.50 8.45 9.40 10.3 8.98 7.89 6.99 6.26 5.64 5.12 4.68 4.28 3.66

Notes
　1.Contact us if you use at the kW ratings colored in gray.

Lubrication method AI AII B C

More details

Method Manual lubrication Drip lubrication Oil bath or slinger disc Forced lubrication