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Escalator step chains
 
Chain No.
Pitch
Roller
diameter
Width betwe- en inner plates
Beari- ng pin body diamet- er
Inner plate depth
Width over beari- ng pin
UItima- te tensile streng- th

Attachm- ent types

 

Stair dista-nce
Link quantity
Length
p
d1(max)
b1(min)
d2(max)
h2(max)
b4 (max)
Q(min)
 

 

t

mm

kN
  mm
ST66
66.27
25.4
20.6
9.54
30
41.0
88.2
Y
6
400
ST100A
100
25.4
25.4
11.06
32
50.2
117.6
D、Y
4
400
ST100B
100
25.4
25.4
12.67
38
54.0
176.4
D、Y
4
400
ST100C
100
25.4
25.4
14.63
40
53.0
221.5
W
4
400
ST100D
100
34.3
34.3
20.50
50
73.5
254.8
W
4
400
ST100E
100
48.26
45.7
29.23
65
94.1
441.0
W
4
400
ST100F
100
52
27.5
30.00
70.5
58.0
245.0
W
4
400
ST133
133.33
70
27.0
14.63
40.5
54.8
180.0
D
3
400
 
ST67A
67.73
28.0
15.8
11.11
28
40
58.8
Y
6
406.4
ST67B
67.73
28.0
25.4
14.27
38.5
51
148.0
Y
6
406.4
ST67C
67.73
28.0
30.7
14.29
48.26
58
137.2
Y
6
406.4
ST68
68.40
32.0
20.7
14.29
38.5
46
130.0
Y
6
410.4
ST101A
101.60
25.4
22.2
14.27
40
46
177.9
D
4
406.4
ST101B
101.60
38.1
35.8
19.80
50
64
294.0
Y
4
406.4
ST135A
135.46
70.0
27.0
14.63
45.2
53
143.0
D
3
406.4
ST135B
135.46
76.4
24.0
15.00
35
50
90.0
D
3
406.4
ST135C
135.73
76.2
24.0
12.70
35
50
120.9
D
3
407.2

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