Rexroth A A10VSO 18 ER 2/31R-VSA12KB2H Pump

Catagory:Rexroth A A10VSO 18 ER 2/31R-VSA12KB2H Axial piston variable pump

Material Number:


1.Axial piston unit: What is Axial piston unit?

Swashplate design, variable, nominal pressure 280 bar, maximum pressure 350 bar(18,28,45,71,88,100,140)

2.Operating mode: (What is Operating mode?)

Pump, open circuit

3.Size (NG):18 (What is Size (NG)?

Displacement, geometric,per revolution :18(Vg max cm3)

   Rotational speed maximum :

a)at Vg max:3300(nnom rpm)

b)at Vg<Vg max:3900(nmax perm rpm)


a)at nnom and Vg max:59(qv max l/min)

b)at nE= 1500 rpm and Vg max:27(qvE max l/min)

Power at Δp = 280 bar:

a)at nnom, Vg max:28(P max kW)

b)at nE= 1500 rpm and Vg max:12.6(PE max kW)

Torqueat Vg max and:

a)Δp = 280 bar:80(T max Nm)

b)Δp = 100 bar:30(T Nm)

Rotary stiffness of drive shaft:

a)S:11087(c Nm/rad)

b)R:14850(c Nm/rad)

c)P:13158(c Nm/rad)

Moment of inertia for rotary group:0.00093(JTW kgm2)

Case volume:0.4(V l)

Weight without through drive (approx.):12.9(m kg)

Weight with through drive (approx.):14(m kg)

4.Series: What is Series?

Series 3, index 1

5.Direction of rotation: What is Direction of rotation?

Viewed on drive shaft clockwise

6.Sealing material: (What is Sealing material?)

FKM (fluoroelastomer)

7.Drive shaft: What is Drive shaft?

Splined shaft ANSI B92.1a standard shaft(18,28,45,71,88,100,140)

8.Working port: What is Working port?

SAE flange port fastening at side, opposite(18,28,45,100,140)

9.Through drive: (What is Through drive?)

80, 2-hole 3/4 in 11T 16/32DP(18,28,45,71,88,100,140)

10.Connectors for solenoids: (What is Connectors for solenoids?)

HIRSCHMANN connector – without suppressor diode(18,28,45,71,88,100,140)