Installation and Operational Instructions for
ROBA
®
-ES Couplings Type 94_._ _ _._ Sizes 14
– 65
(B.9.6.EN)
11/03/2022 TK/GH/GC/MD
Chr. Mayr GmbH + Co. KG
Eichenstraße 1, D-87665 Mauerstetten, Germany
Phone: +49 8341 804-0, Fax: +49 8341 804-421
Page 10 of 29
Table 7: Technical Data for Design with Expansion Hub (Item 4 / Fig. 1)
Size
14
19
24
28
Diameter, expansion hub
[mm]
12
20
25
35
Maximum speed
[rpm]
12600
9300
7000
5600
Tensioning screw thread
M5
M6
M8
M10
Tensioning screw tightening torques
[Nm]
5.8
10.1
24
48
Size
Clamping diameter on expansion hubs and respective frictionally-locking transmittable torques T
R
[Nm]
Suitable for H7 / h7
(with larger fit clearance, the transmittable torque is reduced)
Ø 12
Ø 20
Ø 25
Ø 35
14
15
-
-
-
19
-
36
-
-
24
-
-
84
-
28
-
-
-
188
Table 8: Technical Data for Design with Clamping Hub Compact (Item 5 / Fig. 1)
Size
14
19
24
28
38
Minimum bore
[mm]
5
8
10
14
15
Maximum bore
[mm]
16
25
32
36
45
Maximum speed
[rpm]
12600
9300
7000
5600
4700
Clamping screw thread
M4
M6 (M5)
4)
M6
M8
M10
Clamping screw tightening torques [Nm]
3
10 (8)
4)
10
25
48
4)
Values in brackets valid for bore > 20 mm (screw property class 12.9)
Size
Bores on clamping hubs Compact and respective frictionally-locking transmittable torques T
R
[Nm]
Suitable for F7 / k6
(with larger fit clearance, the transmittable torque is reduced)
Ø 5
Ø 6
Ø 7
Ø 8
Ø 9
Ø 10
Ø 11
Ø 12
Ø 14
Ø 15
Ø 16
Ø 18
Ø 19
14
5
6
7
8
9
10
11
12
13
14
15
-
-
19
-
-
-
18
20
23
25
27
32
34
36
41
43
24
-
-
-
-
-
23
25
27
32
34
36
41
43
28
-
-
-
-
-
-
-
-
58
62
66
75
79
38
-
-
-
-
-
-
-
-
-
98
105
118
124
Size
Ø 20
Ø 22
Ø 24
Ø 25
Ø 28
Ø 30
Ø 32
Ø 35
Ø 36
Ø 38
Ø 40
Ø 42
Ø 45
14
-
-
-
-
-
-
-
-
-
-
-
-
19
45
55
60
62
-
-
-
-
-
-
-
-
24
45
50
54
57
63
-
-
-
-
-
-
-
28
83
91
100
104
116
124
133
145
150
-
-
-
-
38
131
144
157
163
183
196
209
229
235
248
261
274
294