Linear Unit MRJ 40

The MRJ linear units have toothed belt drive and compact dimensions to provide high performance features such as high speed and good accuracy. For very high speeds, up to 10 m/s, the track rollers (journal bearings) of the type MRJ are particularly suitable.

The unit MRJ have a pre-tensioned steel reinforced AT polyurethane timing toothed belt. In conjunction with a zero-backlash drive pulley high moments with alternating loads with good positioning accuracy, low wear and low noise can be realized.
accuracy, low wear and low noise can be realized.

All parts in the profile are protected from dust and other contaminations. As corrosion-resistant protection strip is available as option.

For CAD-files please contact Rollco.

Dimensions in mm.
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Product Information

Modulus of elasticity: E = 70000 N / mm2
Operating Temperature (°C): 0 ~ +60 For operating temperature out of the presented range, please contact Rollco.
Duty cycle: 100%
Order_Codes_MRJ-MTJ.pdf
Maintenance_and_Assembly_Instructions_MTJ-MRJ.pdf
Linear_Units_CT_MT_Technical_Information.pdf
Calculation Tool
Designation Select all Lead Time * Carriage Length Lv Load Capacity Cy (N) Load Capacity Cz (N) Dynamic Moment Mx (Nm) Dynamic Moment My (Nm) Dynamic Moment Mz (Nm) Max. Permissible Loads Forces Fpy (N) Max. Permissible Loads Forces Fpz (N) Max. Permissible Loads Moments Mpx (Nm) Max. Permissible Loads Moments Mpy (Nm) Max. Permissible Loads Moments Mpz (Nm) Moved Mass (kg) Max. Repeatability (mm) Max. length Lmax Max. stroke Min. stroke
2 92 3400 1700 20 21 25 1015 1090 13 14 7,60 0,26 ± 0.08 6000 5876 0
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*Green: Normally in stock, contact us for current status. Blue: Contact us for delivery time.

Designation Select all Carriage version Load Capacity Cy (N) Load Capacity Cz (N) Dynamic Moment Mx (Nm) Dynamic Moment My (Nm) Dynamic Moment Mz (Nm) Max. Permissible Loads Forces Fpy (N) Max. Permissible Loads Forces Fpz (N) Max. Permissible Loads Moments Mpx (Nm) Max. Permissible Loads Moments Mpy (Nm) Max. Permissible Loads Moments Mpz (Nm)
2 6800 3400 40 1.7 * A (mm) 3.4 * A (mm) 2030 2180 26 1.1 * A (mm) 1.0 * A (mm)
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Designation Select all Max. Travel Speed (m/s) Max. Drive Torque Ma (Nm) No Load Torque with Strip (Nm) No Load Torque without Strip (Nm) Pulley Drive Ratio (mm/rev) Pulley diameter Belt type Belt width Max. Force Transmitted by Belt (N) Specific Spring Constant Cspec (N) Min. stroke Planar moment of inertia ly cm⁴ Planar moment of inertia lz cm⁴
10 3,70 0,40 0,20 99 31,51 AT3 20 235 225000 0 9,80 11,60
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Designation Select all Carriage Length Lv Mass of Linear Unit (kg) Mass moment of inertia (10⁻⁵ kg * m²) Planar moment of inertia ly cm⁴ Planar moment of inertia lz cm⁴ Moved Mass (kg)
92 1.25 + 0.0022 * Stroke (mm) 9.3 + 0.0035 * Stroke (mm) 9,80 11,60 0,26
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