Bosch Rexroth | MV037-A2-1S-026-31-B1-TBB-000
MV037-A2-1S-026-31-B1-TBB-000
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The MV037-A2-1S-026-31-B1-TBB-000 motor is built by Bosch Rexroth under the MV Rineer High Torque Vane Motors series and provides rotary power for hydraulic automation systems. It displaces 26 in³ per revolution, defining the fluid volume converted to shaft motion each cycle. Continuous operation is rated at 3000 psi and 800 rpm so the unit can run steadily without excessive heat. For short overload periods, intermittent limits increase to 3500 psi and 1000 rpm, letting equipment handle brief spikes in demand. The shaft measures 1.750 in in diameter with a tolerance of +0.000/-0.010 in, allowing precise coupling alignment. A 13-tooth 8/16 DP spline with a 30° pressure angle, produced to ANSI B92.1 Class 7, carries torque into the drivetrain. This spline uses a flat root side fit to reduce stress concentration and ease assembly.
An SAE J744 44-4 shaft standard keeps the motor compatible with common hydraulic components. Fluid connects through a 1-1/2 in four-bolt flange arranged as two ports, simplifying hose orientation. The housing mounts on an SAE J744 152-4 flange, and a four-bolt pattern spaced 90° apart fixes it securely. Bolting relies on 1/2-13 UNC-2B threads cut 1.00 in deep to maintain joint strength. A 6.000 in pilot diameter held to –0.002 in tolerance centers the motor on the mating surface. Overall length is 11.24 in so designers can confirm envelope clearance. When supplied with a 3000 psi differential, the motor produces 920 lb-ft of torque, delivering the high rotational force required for winches, slewing drives, and traction wheels in hydraulic machinery.
Technical Specifications
Continuous Pressure
3000 psi (207 bar)
Continuous Speed
800 rpm
Displacement
26 in3/rev (426 cm3/rev)
Flange Bolt Pattern
4 x 90°
Intermittent Pressure
3500 psi (241 bar)
Intermittent Speed
1000 rpm
Length
11.24 in (285.4 mm)
Mounting Flange
SAE J744 152-4
Mounting Threads
1/2-13 UNC-2B x 1.00 in
Pilot Diameter
6.000 in (+0.000/-0.002)
Port Type
1-1/2 in 4-bolt flange, 2-port
Shaft Diameter
1.750 in (+0.000/-0.010)
Shaft Spline
13T, 8/16 DP, 30° PA (ANSI B92.1 Cl 7)
Shaft Standard
SAE J744 44-4
Spline Fit
Flat Root Side Fit
Torque @ 3000 Psid
920 lb-ft (1247 Nm)
1620 Old Apex Road
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