120 General Dimensions Short pitch Transmission precision roller chains(A series)

120 General Dimensions                                          Unit:mm
ISO Chain
NO.
ANSI Chain
NO.

Pitch
Bush Diameter
max
Width Between Inner Plates
min
Pin Diameter
max
Plate Thickness
max
Inner
Plate Depth
max
Outer
Plate Depth max
P
Dr
W
D
T1
T2
H
h
24A
120
38.10
22.23
25.22
11.11
4.80
4.80
36.20
31.24

Dimensions of strands

Chain NO.
Pin Length
Transverse Pitch
Average
Tensile Strength
Tensile Strength
min
Weigtht Per Meter
L
max
Lc
max
L1
max
L2
max
L3
max
C
KN
KN
Kg/m
120-1
50.80
54.30
25.40
28.90
56.30
45.44
157.20
124.60
5.95
120-2
96.30
99.75
48.15
51.60
103.55
314.40
249.10
11.73
120-3
141.70
145.25
70.85
74.40
149.05
471.60
373.70
17.55
120-4
187.20
190.70
93.60
97.10
194.50
628.80
--
23.40
120-5
232.70
236.20
116.35
119.85
240.00
786.20
--
29.20
120-6
278.20
281.65
139.10
142.55
285.45
943.20
--
35.00



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