REXROTH MCR-C User Manual

RE 15197/02.2017, Bosch Rexroth AG
Features
▶ Compact robust construction
▶ High volumetric and mechanical effi ciencies
▶ Rear case mount
▶ Wheel fl ange with wheel studs
▶ High reliability
▶ Low maintenance
▶ Smooth running at very low speeds
▶ Low noise
▶ Bi-directional
▶ Sealed tapered roller bearings
▶ Freewheeling possible
▶ Available with:
– Holding brake (multi-disc)
– Bi-directional two speed
– Integrated fl ushing valve
– Speed sensor
▶ Frame size MCR20
▶ Displacement 1750 cc to 3000 cc
▶ Diff erential pressure up to 450 bar
▶ Torque output up to 19099 Nm
▶ Speed up to 125 rpm
▶ Open and closed circuits
Radial piston motor for compact drives
MCR-C
RE 15197
Edition: 02.2017
Replaces: 12.2013
Contents
Functional description 2
Ordering code 5
Technical data 7
Effi ciencies 8
Permitted loading on drive shaft 9
Dimensions 10
Selection guide 14

REXROTH MCR-C Specifications

General

Brand	REXROTH
Model	MCR-C
Category	Engine
Language	English

Summary

Radial Piston Motor MCR-C

Key Features

Highlights the main characteristics and benefits of the MCR-C radial piston motor.

Product Overview

Provides document reference number, edition, and general product specifications like frame size.

Functional Description

Construction and Operation Principles

Explains motor construction, transmission, torque generation, flow paths, and bearings.

Two Speed Operation (2W)

Details the dual-speed mode and its benefits, including soft-shift.

Flushing Valve System

Describes the flushing valve's function for cooling and fluid renewal in closed circuits.

Holding Brake and Speed Sensor

Covers the optional multi-disc holding brake and speed sensor systems.

Ordering Code

Motor Configuration Options

Details the structure and options for configuring the MCR-C motor model number.

Flushing and Special Order Codes

Explains specific codes for flushing options and special order features.

Technical Data

Performance and Pressure Specifications

Provides key performance metrics, pressure ratings, and fluid requirements.

Holding Brake Data

Details technical specifications for the integrated multi-disc holding brake.

Efficiencies

Efficiency Curves

Presents graphs showing mechanical and volumetric efficiency versus speed.

Charge Pressure Requirements

Graph illustrating minimum charge pressure needed versus speed.

Permitted Loading on Drive Shaft

Load Limits and Graphs

Details maximum radial and axial loads allowed on the drive shaft.

Dimensions

Single Speed (1L) Dimensions

Provides dimensional drawings and tables for MCR-C single speed motors.

Two Speed (2WL) Dimensions

Provides dimensional drawings and tables for MCR-C two speed motors.

Holding Brake Dimensions

Details dimensional specifications for the integrated multi-disc holding brake.

Selection Guide

Motor Type and Application Mapping

Table correlating motor types, frame sizes, and applications.