A10V(S)O piston pump | Replacement for Rexroth

Size

NG

18

28

45

71

88

100

140

Displacement

Vg max

in3

1.1

1.71

2.75

4.33

5.37

6.1

8.54

(cm3)

18

28

45

71

88

100

140

Rotational
speed at

Vg max

nnom

rpm

3300

3000

2600

2200

2100

2000

1800

maximum1)

at Vg <V 2) n

nmax
     perm

rpm

3900

3600

3100

2600

2500

2400

2100

Flow

at nnm
and Vg max

qv max

gpm

15.6

22

30.9

41.2

48.9

52.8

67

(l/min)

59

84

117

156

185

200

252

at nE= 1800 rpm

qvE max

gpm

8.5

13.3

21.4

33.8

41.8

47.6

67

and Vg max

(l/min)

32

50

81

128

158

180

252

Power

at nnom, Vg max

P max

HP

38

52

74

98

115

125

156

(kW)

28

39

55

73

86

93

118

at Δp = 4100 psi(280 bar)

at nE= 1800 rpm

PE max

HP

19

31

50

79

99

111

156

and Vg max

(kW)

15

24

38

69

74

84

118

Torque

Δp = 4100 psi
   (280 bar)

T max

lbft

59

92

148

233

289

328

460

(Nm)

80

125

200

316

392

445

623

at Vg max and

Δp = 1450 psi
(100 

bar)

T

lbft

22

33

53

83

103

117

164

(Nm)

30

45

72

113

140

159

223

Rotary stiffness
     of drive shaft

S

c

lbft/rad

8177

16460

27659

53019

53019

89350

124970

(Nm/rad)

11087

22317

37500

71884

71884

121142

169437

R

c

lbft/rad

10953

19442

30258

56457

56457

–

–

(Nm/rad)

14850

26360

41025

76545

76545

–

–

U

c

lbft/rad

5967

–

–

–

–

67187

–

(Nm/rad)

8090

–

–

–

–

91093

–

K

c

lbft/rad

9839

19316

32382

60562

60562

99794

138961

(Nm/rad)

13340

26189

43905

82112

82112

135303

188406

Moment of inertia for rotary group

JTW

lbsft2

0.022

0.04

0.078

0.197

0.197

0.396

0.574

(kgm2)

0.00093

0.0017

0.0033

0.0083

0.0083

0.0167

0.0242

Case volume

V

gal

0.106

0.185

0.264

0.42

0.42

0.58

0.79

(l)

0.4

0.7

1

1.6

1.6

2.2

3

Weight without through drive (approx.)

m

lbs

28

40

52

78

78

109

144

(kg)

12.9

18

23.5

35.2

35.2

49.5

65.4

Weight with through drive (approx.)

lbs

30

43

55

84

84

122

164

(kg)

13.8

19.3

25.1

38

38

55.4

74.4