Heavy duty servo grade gearbox with right angle between input and output shafts. Input gears are hardened and ground, slower speed bevel output gear is cut and hardened. Large well-spaced output shaft bearings give high axial and radial load capability. Double or hollow output shafts are available upon request. Available in 3 frame sizes from 65mm to 115mm the torque outputs range from 17Nm to 180Nm. Available in one two or three stages with gear ratios from 3:1 to 175:1.
Performance Data
MRA 065
MRA 080
MRA 115
MRA 140
MRA 180
Rated Speed
rpm
4000
4000
4000
4000
2000
Rated torque
Nm
17.90
90.00
182.00
230.00
350.00
Accel torque*
Nm
35.70
154.00
250.00
400.00
600.00
Maximal backlash
′
15/5
10/5
10/5
10/5
10/5
Gear ratio
i
A
B
B
B
B
Efficiency**
%
96/91
96/91/86
96/91/86
96/91/86
96/91/86
Life time***
h
15000
15000
15000
15000
15000
Temperature range
°C
-20 to +80
-20 to +80
-20 to +80
-20 to +80
-20 to +80
Noise level
LpA
66
68
68
68
70
* S5 duty service ** With full load ***At input rated speed and rated output torque
Ratio Group A
1 Stage i= 3, 4, 5, 7, 10
2 Stages i= 16, 20, 25, 35, 50, 70, 100
Ratio Group B
1 Stage i= 3, 4, 5, 7, 10
2 Stages i= 16, 20, 25, 35, 40, 50, 70, 100
3 Stages i= 125, 175
Gearhead Dimensions (mm)
A
Pilot Diameter
B
Bolt Circle Diameter
C
Bolt Size
D
Output Shaft Diameter
E
Output Shaft Length
MRA 065
60 j6
75
5.5
16 j6
30
MRA 080
80 j6
100
6.5
20 j6
40
MRA 115
110 j6
130
9
20 j6
50
MRA 140
130
165
11
40 j6
80
MRA 180
160 j6
215
17
55 j6
96
F
Pilot Length
G*
Gearhead Body Length
H
Square Flange
I
L
Flange Thickness
MRA 065
3.5
174-190
70
49.5
10
MRA 080
3
220-290
83
59
7
MRA 115
3.5
278-361
115
78
10
MRP 140
3.5
360-443
140
100
15
MRP 180
5
463-593
180
114
20
* Depends upon number of gear stages and does not include motor length
The above information is believed to be correct. Its accuracy or completeness is not guaranteed, nor is the suitability of any product for any given purpose implied.
Total Motion Systems Ltd reserves the right to supply products which may differ slightly from those described above.
Total Motion Systems Ltd., Unit 19 Lea Hall Enterprise Park, Wheelhouse Road, Rugeley, Staffordshire, WS15 1LH
Tel: +44 (0)1889 577576 Fax: +44 (0)1889 570023 email: sales@totalmotionsystems.co.uk
In The Republic Of Ireland:Richard Colson, Derryrush, Rosmuc, Co. Galway, Ireland.
Tel/Fax: +353 (0)91 574991 Mobile: +353 (0)87 9083410 email: sales@totalmotionsystems.ie
