Short pitch Transmission precision roller chains (B series):
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12B
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
12B
12B
19.05
12.07
11.68
5.72
1.85
1.85
16.13
16.13
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
12B-1
22.70
24.35
11.35
13.00
25.05
19.46
30.30
28.90
1.28
12B-2
42.20
43.80
21.10
22.70
46.50
60.30
57.80
2.56
12B-3
61.70
63.30
30.85
32.45
66.20
91.00
86.70
3.89
