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SI ...ES Series  
Bearing No.
Boundary dimensions(mm)
Mass
d
B
dk
C1
d2
G
h1
l3
l4
l5
W
d3
d4
rs
α°
Kg
max
max
6H
min
max
max
max
max
min
≈
≈
SI15ES
15
12
22
10.5
40
M14
61
21
81
8
21
21
26
0.3
8
0.162
SI17ES
17
14
25
11.5
46
M16
67
24
90
10
27
25
29
0.3
10
0.233
SI20ES
20
16
29
13.5
53
M20×1.5
77
30
103.5
10
30
28
34
0.3
9
0.324
SI25ES
25
20
35.5
18
64
M24×2
94
36
126
12
36
35
42
0.6
7
0.625
SI30ES
30
22
40.7
20
73
M30×2
110
45
146.5
15
46
42
50
0.6
6
0.976
SI35ES
35
25
47
22
82
M36×3
125
60
166
15
55
48
58
0.6
6
1.52
SI40ES
40
28
53
24
92
M39×3
142
65
188
18
60
52
65
0.6
7
2.06
SI45ES
45
32
60
28
102
M42×3
145
65
196
20
65
58
70
0.6
7
2.72
SI50ES
50
35
66
31
112
M45×3
160
68
216
20
70
62
75
0.6
6
3.57
SI60ES
60
44
80
39
135
M52×3
175
70
242.5
20
80
70
88
1
6
5.63
SI70ES
70
49
92
43
160
M56×4
200
80
280
20
85
80
98
1
6
8.33
SI80ES
80
55
105
48
180
M64×4
230
85
320
25
95
95
110
1
6
13.04
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