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BOSCH REXROTH
A17FO063/10NLWK0E81-0
R902162394
Mobile Pumps

Fixed pumps: A17FO 63cm?/U

$3,574.00

BOSCH REXROTH

MATERIAL:  R902162394

SUMMARY:  Fixed pumps: A17FO 63cm?/U

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01

02

03

04

05

06

07

08

09

10

11

A17F

O

/

10

N

L

W

K0

E8

1

Axial piston unit

01

Bent-axis design, fixed, for commercial vehicles (truck)

A17F

Operating mode

02

Pump, open circuit

O

Nominal size

03

Geometric displacement, see tables of values

023

032

045

063

080

107

Series

04

Series 1, index 0

10

Design of ports and fastening threads

05

Metric, port threads with profiled sealing ring according to DIN 3852

N

Direction of rotation1)

06

Viewed on drive shaft, counter-clockwise

L

Seal material

07

FKM (fluor-caoutchouc) including the 2 shaft seal rings in FKM

W

Mounting flange

08

Special flange ISO 7653-1985 (for trucks)

K0

Drive shaft

09

Splined shaft similar to DIN ISO 14 (for trucks)

E8

Working port

10

Threaded ports A and S at rear

1

Standard/ special version

11

Standard version

0

Special version

S

1) For changing the direction of rotation: see Technical data, chapter "Direction of rotation"

Table of values

Size

23 32 45 63 80 107

Displacement
geometric, per revolution

Vg

cm³

22.9 32 45.6 63 80.4 106.7

Nominal pressure

pnom

bar

350 350 350 350 350 350

Maximum pressure

pmax

bar

400 400 400 400 400 400

Maximum speed

nnom 1)

rpm

3050 2750 2650 2200 2150 2000

nmax 2)

rpm

4300 3900 3800 3200 3100 2800

Flow

at nnom

qV

l/min

70 88 121 139 173 213

Power

at nnom and pnom

P

kW

41 51 71 81 101 124

Torque

at pnom

M

Nm

127 178 254 351 448 594

Rotary stiffness

c

kNm/rad

2.56 3.12 4.18 6.25 8.73 11.2

Moment of inertia for rotary group

JTW

kg·m²

0.0012 0.0012 0.003 0.0042 0.0072 0.0116

Maximum angular acceleration

ɑ

rad/s²

6500 6500 14600 7500 6000 4500

Case volume

V

l

0.25 0.29 0.4 0.5 0.6 0.75

Mass moment

MG

Nm

4.7 4.7 8.6 9.9 15.3 20

Weight (approx.)

m

kg

5.9 5.9 8.4 9.3 12.3 15
1) These values are valid at:
- an absolute pressure of pabs = 1 bar at suction port S
- for the optimum viscosity range from vopt = 36 to 16 mm2/s
- with hydraulic fluid based on mineral oils
2) Maximum speed (limiting speed) with increased inlet pressure pabs at suction port S, see the following diagram.

Maximum speed

technical illustration-A17FO063/10NLWK0E81-0-Fixed pumps: A17FO               63cm?/U

Note

The values in the table are theoretical values, without consideration of efficiencies and tolerances. The values are rounded. Exceeding the maximum or falling below the minimum permissible values can lead to a loss of function, a reduction in operational service life or total destruction of the axial piston unit. Other permissible limit values, such as speed variation, reduced angular acceleration as a function of the frequency and the permissible angular acceleration at start (lower than the maximum angular acceleration) can be found in data sheet 90261.

Determining the operating characteristics

Flow

technical illustration-A17FO063/10NLWK0E81-0-Fixed pumps: A17FO               63cm?/U

[l/min]

Torque

technical illustration-A17FO063/10NLWK0E81-0-Fixed pumps: A17FO               63cm?/U

[Nm]

Power

technical illustration-A17FO063/10NLWK0E81-0-Fixed pumps: A17FO               63cm?/U

[kW]

Key

Vg

Displacement per revolution [cm3]

Δp

Differential pressure [bar]

n

Rotational speed [rpm]

ηv

Volumetric efficiency

ηhm

Hydraulic-mechanical efficiency

ηt

Total efficiency (ηt = ηv • ηhm)

Hydraulic fluid

The axial piston unit is designed for operation with HLP mineral oil according to DIN 51524.

Application instructions and requirements for hydraulic fluids should be taken from the following data sheets before the start of project planning:

90220: Hydraulic fluids based on mineral oils and related hydrocarbons 90221: Environmentally acceptable hydraulic fluids 90222: Fire-resistant, water-free hydraulic fluids (HFDR, HFDU)

 

The axial piston unit is not suitable for operation with water-containing HF hydraulic fluids.

For operation with HFD hydraulic fluids please note limitations regarding technical data. Please contact us.

Viscosity and temperature of hydraulic fluids

 

Viscosity

Temperature1)

Comment

Cold start

νmax ≤ 1600 mm²/s

ϑSt ≥ -25 °C

t ≤ 3 min, without load (p ≤ 50 bar), n ≤ 1000 rpm,
permissible temperature difference between axial piston unit and hydraulic fluid max. 25 K

Warm-up phase

ν = 400 … 1600 mm²/s

t ≤ 15 min, p ≤ 0.7 • pnom and n ≤ 0.5 • nnom

Continuous operation

ν = 10 … 400 mm²/s3)

ϑ ≤ +103 °C

measured at bleed port R
(ΔT = ca. 12 K between the bearing/shaft seal and port R)

νopt = 16 … 36 mm²/s

range of optimum operating viscosity and efficiency

Short-term operation

νmin = 7 … 10 mm²/s

ϑ ≤ +103 °C

t ≤ 3 min, p ≤ 0.3 • pnom

1) If the specified temperatures cannot be maintained due to extreme operating parameters, please contact us.
2) The FKM shaft seal may be used for case drain temperatures from -25 °C to +115 °C. For the temperature range below -25 °C, please contact us.
3) Equates e.g. with the VG 46 a temperature range of +5 °C to +85 °C (see selection diagram)

Explanatory note regarding the selection of hydraulic fluid

The hydraulic fluid should be selected such that the operating viscosity in the operating temperature range is within the optimum range (vopt see selection diagram).

Selection diagram

technical illustration-A17FO063/10NLWK0E81-0-Fixed pumps: A17FO               63cm?/U

Filtration of the hydraulic fluid

Finer filtration improves the cleanliness level of the hydraulic fluid, which increases the service life of the axial piston unit.

A cleanliness level of at least 20/18/15 is to be maintained according to ISO 4406.

At a hydraulic fluid viscosity of less than 10 mm²/s (e.g. due to high temperatures in short-term operation) at the drain port, a cleanliness level of at least 19/17/14 according to ISO 4406 is required.

For example, the viscosity is 10 mm²/s at:

HLP 32 a temperature of 73°C HLP 46 a temperature of 85°C

Operating pressure range

Pressure at working port A or B (high-pressure side)

Definition

Nominal pressure

pnom

350 bar

The nominal pressure corresponds to the maximum design pressure.

Maximum pressure

pmax

400 bar

The maximum pressure corresponds to the maximum operating pressure within the single operating period. The sum of the single operating periods must not exceed the total operating period.

      Single operating period

5 s

      Total operating period

50 h

Minimum pressure

pHP min

10 bar

Minimum pressure on high-pressure side (port A or B) required to prevent damage to the axial piston unit.

Rate of pressure change

RA max

9000 bar/s

Maximum permissible rate of pressure build-up and reduction during a pressure change over the entire pressure range.

Pressure at suction port S (inlet)

Definition

Minimum pressure

ps min

0.8 bar absolute

Minimum pressure at inlet (suction port S) that is required to avoid damage to the axial piston unit. The minimum required pressure is dependent on the speed of the axial piston unit.
(see diagram "Maximum speed")

Maximum pressure

ps max

2 bar absolute

Note

Working pressure range valid when using hydraulic fluids based on mineral oils. Values for other hydraulic fluids, please contact us.

Pressure definition

technical illustration-A17FO063/10NLWK0E81-0-Fixed pumps: A17FO               63cm?/U
1) Total operating period = t1 + t2 + ... + tn

Rate of pressure change

technical illustration-A17FO063/10NLWK0E81-0-Fixed pumps: A17FO               63cm?/U

Permissible axial forces of the drive shaft

Size

23 32 45 63 80 107

Maximum axial force, when standstill or in non-pressurized conditions

technical illustration-A17FO063/10NLWK0E81-0-Fixed pumps: A17FO               63cm?/U

+ Fax max

N

0

- Fax max

N

24 33 43 53 60 71

Notes

The values given are maximum values and do not apply to continuous operation. The axial force in direction Faxmust be avoided as this would reduce the bearing life service. Radial forces are not permissible.

Direction of rotation

The direction of rotation of the axial piston unit is defined by means of a pressure nipple screwed into the service line port and can easily be changed.

By changing the pressure nipple, the service line port and the suction port are exchanged. This is e.g. required when mounting at a PTO with an counter-clockwise direction of rotation.

The process of converting the pressure nipple can be seen from the instruction manual (91520-01-B, chapter 6.4.2 “Direction of rotation and changing the direction of rotation”).

Direction of rotation on delivery

On delivery, the pressure nipple (1) is pre-assembled in the right service line port of the axial piston unit. The permissible drive direction of the pump looking at the drive shaft: counter-clockwise. The power take-off turns clockwise.

 

Note

The pressure nipple is pre-assembled on delivery and must be tightened to the torque specified for the thread size before installation (see instruction manual). technical illustration-A17FO063/10NLWK0E81-0-Fixed pumps: A17FO               63cm?/U
technical illustration-A17FO063/10NLWK0E81-0-Fixed pumps: A17FO               63cm?/U
1) Center bore according to DIN 332 (thread according to DIN 13)

Size

D1

D3

D4

D5

D6

D7

D8

D9

D11

D12

D13

D14

D15

D16

D17

D18

D19

D20

D21

D22

D23

D24

D25

D26

D27

D28

D29

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

23 80 185 103 58 105 - 15 9 43 25.8 81 88 173 - 159 76 88 91 88 51.8 0.7 96 105 107 80 80 13
32 80 185 103 58 105 - 15 9 43 25.8 81 88 173 - 159 76 88 91 88 51.8 0.7 96 105 107 80 80 13
45 80 223 119 63 108 103 15 9 43 29 104 102 210 132 194 89 108 108 108 58.8 0.8 96 105 107 80 80 13
63 80 232 126 63 108 103 15 9 43 32 109 110 219 132 203 96 108 - 108 64 0.8 96 105 107 80 80 13
80 80 261 140 67.5 121 114 15 9 43 36 127 120 245 118 227 105 117 124 117 69 1 96 105 107 80 80 13
107 80 272 149 73.5 133 120 15 9 43 41 136 129 256 - 238 114 129 - 129 77 1 96 105 107 80 80 13

Ports

Size

23 32 45 63 80 107

A

Working port

Size

G 1/2; 14 mm deep G 3/4; 16 mm deep G 1; 18 mm deep

Standard

DIN ISO 228

State on delivery

With protective cover (must be connected)

S

Suction port

Size

G 3/4; 16 mm deep G 1; 18 mm deep G 1 1/4; 20 mm deep

Standard

DIN ISO 228

State on delivery

With protective cover (must be connected)

R

Air bleed port

Size

M10 x 1; 8 mm deep

Standard 1)

DIN 3852

State on delivery 2)

Plugged
1) The spot face can be deeper than specified in the appropriate standard.
2) Unless otherwise specified. Other layouts on request.

Installation instructions

General

During commissioning and operation, the axial piston unit must be filled with hydraulic fluid and air bled. This must also be observed following a relatively long standstill as the axial piston unit may drain back to the reservoir via the hydraulic lines. The pump housing is internally connected to the suction chamber. A separate drain line from the housing to the reservoir is not needed. To achieve favorable noise values, all connecting lines should be decoupled by using elastic elements and above-reservoir installation is to be avoided. In all operating conditions, the suction and drain lines must lead into the reservoir below the minimum fluid level. The permissible suction height hS results from the overall loss of pressure; it must not, however, be higher than hS max = 800 mm. The minimum suction pressure at port S must also not fall below 0,8 bar absolute during operation and during cold start.

Installation position

See the following examples 1 to 4.

Further installation positions are possible upon request. Recommended installation position: 1 and 2.

Below-tank installation (standard)

Below-tank installation is at hand if the axial piston unit is installed below the minimum liquid level outside the tank.

technical illustration-A17FO063/10NLWK0E81-0-Fixed pumps: A17FO               63cm?/U

Installation position

Air bleeding

Filling

1

R

S

2

S

Above-reservoir installation

Above-reservoir installation means that the axial piston unit is installed above the minimum fluid level of the reservoir.

technical illustration-A17FO063/10NLWK0E81-0-Fixed pumps: A17FO               63cm?/U

Installation position

Air bleeding

Filling

3

R

F

4

S

S

Key

F

Filling / Air bleeding

R

Air bleed port

S

Suction port

ht min

Minimum required immersion depth (200 mm)

hmin

Minimum required spacing to reservoir bottom (100 mm)

hS max

Maximum permissible suction height (800 mm)

Note

Connection F is part of the external piping and must be provided on the customer side to simplify the filling and bleeding.

General project planning notes

The axial piston unit is designed to be used in open circuits. The project planning, installation and commissioning of the axial piston unit require the involvement of qualified skilled personnel. Before using the axial piston unit, please read the corresponding instruction manual completely and thoroughly. If necessary, request it from Bosch Rexroth. Before finalizing your design, request a binding installation drawing. The specified datas and notes must be observed. Preservation: Our axial piston units are supplied as standard with preservative protection for a maximum of 12 months. If longer preservative protection is required (maximum 24 months), please specify this in plain text when placing your order. The preservation times are valid under optimal storage conditions. Details of these conditions can be found in the data sheet 90312 or the instruction manual. A pressure relief valve is to be provided in the hydraulic system. Observe the instructions in the instruction manual regarding tightening torques of connection threads and other threaded joints used. The notes in the instruction manual on tightening torques of the port threads and other screw joints must be observed. The ports and fastening threads are designed for the permissible maximum pressure pmax (see instruction manual). The machine or system manufacturer must ensure that the connecting elements and lines correspond to the specified operating conditions (pressure, flow, hydraulic fluid, temperature) with the necessary safety factors. The working ports and function ports are designated only to accommodate hydraulic lines.

Other related documents

Other pumps with special properties and dimensions for use in commercial vehicles can be found in the following data sheets:

91510: Fixed pump A17FNO (250/300 bar) 92270:Variable pump A18VO (350/400 bar) 92280:Variable pump A18VLO (350/400 bar)

Suction adapter

technical illustration-A17FO063/10NLWK0E81-0-Fixed pumps: A17FO               63cm?/U

Pump size

Version

Hose
nom. width

Material number

Thread K0

K1

K2

K3

K4

K5

K6

K7

K8

K9

SW

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

23 straight 1 1/2" R909831856 G3/4 39 18 33.5 70 54 - 221 132 186 41
45° 1 1/2" R909831601 G3/4 39 20 31 101 82 43 259 126 180 36
90° 1 1/2" R909831602 G3/4 39 20 31 62 43 81 265 117 171 36
32 straight 1 1/2" R909831856 G3/4 39 18 33.5 70 54 - 221 132 186 41
45° 1 1/2" R909831601 G3/4 39 20 31 101 82 43 259 126 180 36
90° 1 1/2" R909831602 G3/4 39 20 31 62 43 81 265 117 171 36
45 straight 1 1/2" R902600251 G1 39 23.5 33.5 72 54 - 248 139 197 41
45° 1 1/2" R909831600 G1 39 26 31 101 82 45 287 132 190 41
90° 1 1/2" R909831599 G1 39 26 31 64 44 85 296 127 185 41
63 straight 1 1/2" R902600251 G1 39 23.5 33.5 72 54 - 257 146 204 41
2" R902602028 G1 51 26 44 82 64 - 268 157 215 55
45° 1 1/2" R909831600 G1 39 26 31 101 82 45 296 139 197 41
2" R902602029 G1 51 26 43 100 81 44 295 145 203 41
90° 1 1/2" R909831599 G1 39 26 31 64 44 85 305 134 192 41
2" R902602030 G1 51 26 43 62 42 81 305 138 196 41
80 straight 2" R902600252 G1 1/4 51 30 44 85 65 - 295 168 232 55
45° 2" R909831597 G1 1/4 51 34 43 101 81 40 317 156 220 50
90° 2" R909831598 G1 1/4 51 35 43 63 43 80 330 144 208 50
107 straight 2" R902600252 G1 1/4 51 30 44 85 65 - 306 177 245 55
2 1/2" R902601630 G1 1/4 63 31 54 82 64 - 308 180 248 65
45° 2" R909831597 G1 1/4 51 34 43 101 81 40 328 165 234 50
2 1/2" R902601631 G1 1/4 63 35 54 100 81 44 331 169 237 50
90° 2" R909831598 G1 1/4 51 35 43 63 43 80 341 153 221 50

The suction adapter is not included in the scope of delivery and must be ordered separately.


Notes on suction line

Keep as short and straight as possible, without bend Use a supporting ring for plastic hoses Use two hose clamps to protect the suction hose against air suction Note pressure resistance of suction hose compared to ambient pressure

Replacing seals

The O-rings used as seals to prevent air from entering the suction line are to be replaced after every removal and new installation in order to guarantee complete sealing.

Material number for O-rings

R909083796: O-ring for suction stud G3/4 R909083802: O-ring for suction stud G1 R909083808: O-ring for suction stud G1¼

Coupling flange

There are special, modified coupling flanges in 4-hole and 6-hole design for the cardan shaft drive.

The coupling flange is not included in the scope of delivery and must be ordered separately.

4-hole coupling flange, complete – ⌀90 mm

Material number: R902060152

technical illustration-A17FO063/10NLWK0E81-0-Fixed pumps: A17FO               63cm?/U

6-hole coupling flange, complete – ⌀100 mm

Material number: R902060153

technical illustration-A17FO063/10NLWK0E81-0-Fixed pumps: A17FO               63cm?/U

Notes

Assembly of the coupling flange is carried out by pulling onto the drive shaft with the aid of the threaded bore in the drive shaft end. The coupling flange must be clamped on the drive shaft using a socket-head screw. In addition, permanent lubrication should be applied between the drive shaft and the coupling flange. The socket-head screw should be secured in a suitable manner (e.g. gluing with Loctite 276) and tightened with a tightening torque of 130 Nm. Sudden axial impact upon the drive shaft will lead to rotary group damage and therefore must be strictly avoided.

During and shortly after operation, there is a risk of burns on the axial piston unit. Take appropriate safety measures (e.g. by wearing protective clothing).