Installation and Operational Instructions for EAS
®
-compact
®
Ratchetting clutch, Type 49_._ _0._
Sizes 01 to 3
Synchronous clutch, Type 49_._ _5._
Sizes 01 to 3
(B.4.14.EN)
17/03/2021 TK/NU/GC/GF/SU
Chr. Mayr GmbH + Co. KG
Eichenstraße 1, D-87665 Mauerstetten, Germany
Phone: +49 8341 804-0, Fax: +49 8341 804-421
Page 7 of 22
Technical Data Type 494._ _ _._
Table 8
Bore lastic-side from
– to
Size
Respective
ROBA
®
-ES
Size
Clamping hub (23.2)
Type 494._0_._
[mm]
Shrink disk hub (23.1)
Type 494._1_._
[mm]
Key hub (23.3)
Type 494._2_._
[mm]
01
24
15
– 28
15
– 28
8
– 28
0
28
19 - 35
19
– 38
10
– 38
1
38
20
– 45
20
– 45
12
– 45
2
42
28
– 50
28
– 50
14
– 55
3
48
35
– 55
35
– 60
20
– 60
Table 9
Nominal and maximum torques, flexible backlash-free shaft coupling, T
KN
and T
K max.
Type 494._ _ _.3
(yellow elastomeric element 92 Sh A)
Type 494._ _ _.4
(red elastomeric element 98 Sh A)
Type 494._ _ _.6
(green elastomeric element 64 Sh D)
Size
T
KN
[Nm]
T
K max.
[Nm]
T
KN
[Nm]
T
K max.
[Nm]
T
KN
[Nm]
T
K max.
[Nm]
01
35
70
60
120
75
150
0
95
190
160
320
200
400
1
190
380
325
650
405
810
2
265
530
450
900
560
1120
3
310
620
525
1050
655
1310
Table 10
Shaft misalignments flexible coupling Type 494.
Dimension
“E”
(Fig. 6)
[mm]
Locking set screw (26)
for hub (Item 23.3 / Fig. 1)
Axial ΔK
a
Radial ΔK
r
Angular ΔK
w
Size
[mm]
92 Sh A
[mm]
98 Sh A
[mm]
64 Sh D
[mm]
92 Sh A
[°]
98 Sh A
[°]
64 Sh D
[°]
Thread
Tightening
torque
[Nm]
01
1.4
0.14
0.10
0.07
1.0
0.9
0.8
18
M5
2
0
1.5
0.15
0.11
0.08
1.0
0.9
0.8
20
M6
4.1
1
1.8
0.17
0.12
0.09
1.0
0.9
0.8
24
M8
8.5
2
2.0
0.19
0.14
0.1
1.0
0.9
0.8
26
M8
8.5
3
2.1
0.21
0.16
0.11
1.0
0.9
0.8
28
M8
8.5
