Series - REXROTH A2FO Series Manual

Fixed displacement pump
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Bosch Rexroth AG | Mobile Hydraulics
Technical Data
Output drive
Permissible axial and radial loads on drive shaft
The values given are maximum values and do not apply to continuous operation
Size
5
mm
a
12
F
N
710
q max
±F
N
180
ax max
±F
/bar
N/bar
1,5
ax perm.
Size
90
a
mm
20
F
N
12900
q max
±F
N +F
1000
ax max
ax max
- F
1000
ax max
±F
/bar
N/bar
10,6
ax perm.
1
) Axial piston unit in stationary or in bypass operation, please contact us when appearing higher forces!
2
) Please contact us!
Code explanation
a
= distance of F
from shaft shoulder
q
F
= max. perm. radial force at distance a
q max
(at intermittent operation)
±F
= max. perm. axial force when stationary
ax max
or when axial piston unit is running at zero pressure
±F
/bar= perm. axial force/bar working pressure
ax perm.
Optimal force direction of F
By means of appropriate force directions of F
by inside rotary group forces can be reduced. An optimal life
expectation of the bearing can be reached.
A
B
anti-clockwise rotation
clockwise rotation
pressure at port B
pressure at port A
10
12
16
16
16
16
2350
2750
3700
320
320
320
3,0
3,0
3,0
107
125
160
20
20
25
13600
15900
18400
1250
1250
1600
1250
1250
1600
12,9
12,9
16,7
F q
a
(valid for sizes 10...180)
q
the bearing load caused
q
A
B
clockwise rotation
pressure at port B
23
28
32
16
16
16
4300
5400
6100
8150
500
500
500
630
5,2
5,2
5,2
7,0
180
200
250
355
25
25
41
52,5
20600
22900
1200
)
1500
1
1600
1600
4000
5000
1600
1600
1200
1500
16,7
16,7
2
)
The direction of the max. perm. axial force must be noted by
sizes 5...200:
- F
= increases bearing life
ax
+ F
= reduces bearing life
ax
(avoid if possible)
A2FO | RE 91 401/09.00
45
56
63
80
18
18
18
20
9200
10300
11500
800
800
1000
8,7
8,7
10,6
500
710
1000
52,5
67,5
67,5
)
1900
)
3000
)
2600
1
1
1
6250
10000
10000
1900
3000
2600
2
)
2
)
2
)
2
)
-
F ax
+
)
1

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