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BOSCH REXROTH
R921807020

  • BOSCH REXROTH
  • Material:R921807020
  • Model:SRMCR3D255L40Z32A0M1L12

Due to extremely high demand, please call 877-366-7226 for availability

***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Bosch Rexroth directly.***
The Bosch Rexroth SRMCR3D255L40Z32A0M1L12 (R921807020) is a meticulously engineered hydraulic motor renowned for its smooth operation even at very low speeds. The unit is designed to deliver high volumetric and mechanical efficiencies, making it an ideal choice for applications requiring precise control and power. This model features a bidirectional parallel keyed shaft, which enhances its versatility in various configurations. Additionally, the SRMCR3D255L40Z32A0M1L12 is available with an optional parking brake multidisk, which adds to its safety features by allowing the motor to be securely held in place when not in operation. For applications that require varying speed ranges, this model can be equipped with a bidirectional two-speed function, providing further operational flexibility. The construction of this motor is both compact and robust, ensuring it fits into tight spaces without sacrificing durability. It also allows for freewheeling capabilities, giving it an edge in applications where the motor may need to spin freely without hydraulic flow. Incorporated sealed tapered roller bearings contribute to the high reliability of the motor by protecting internal components from contaminants and reducing wear over time. This design choice also contributes to the low maintenance requirements of the motor, as well as its low operating noise levels—a significant advantage in environments where noise reduction is critical. Overall, the Bosch Rexroth SRMCR3D255L40Z32A0M1L12 hydraulic motor stands out for its efficiency, adaptability, and reliability in demanding applications where precision and longevity are paramount.

Table of values

Frame size

3 5 10

Weight (approx.)

Single speed motor (1L)

m

kg

21 39 62

Two speed motor (2WL)

m

kg

27 47 67

Frame size 3

Size

160 225 255 280 325 365 400

Displacement

Vg

cm³

160 225 255 280 325 365 400

Maximum pressure

pmax

bar

470 470 470 470 420 420 420

Torque

Tmax

Nm

1146 1500 1500 1500 1500 1500 1500

Output speed

1L

nmax

rpm

670 475 420 385 330 295 270

2WL

nmax

rpm

875 620 550 500 430 385 350

Frame size 5

Size

380 470 520 565 620 680 750 820

Displacement

Vg

cm³

380 470 520 565 620 680 750 820

Maximum pressure

pmax

bar

470 470 470 470 420 420 420 420

Torque

Tmax

Nm

2722 3000 3000 3000 3000 3000 3000 3000

Output speed

1L

nmax

rpm

475 385 350 320 290 265 240 220

2WL

nmax

rpm

570 465 420 385 350 320 290 265

Frame size 10

Size

780 860 940 1120 1250 1340

Displacement

Vg

cm³

780 860 940 1120 1250 1340

Maximum pressure

pmax

bar

470 470 470 420 420 420

Torque

Tmax

Nm

4800 4800 4800 4800 4800 4800

Output speed

1L / 2WL

nmax

rpm

215 195 178 150 134 125