Right-Angle Planetary Gearbox
MFB/MFBR Right-Angle Planetary Gearbox — Frame 060–220
Right-Angle Output · Output Torque 40 – 2000 Nm · Backlash ≤1 – 9 arcmin
The MFB/MFBR series is a right-angle precision planetary gearbox, using an internal bevel gear stage to turn the output 90° from the motor input — ideal where a compact right-angle layout saves installation space. MFB is the standard configuration; MFBR extends the reduction ratio range further for extra-low output speed needs. Available across 6 frame sizes (060–220mm) with rated output torque from 40Nm to 2000Nm and backlash grades down to ≤1 arcmin. Like the MB/MBR series, it uses maintenance-free synthetic grease lubrication and an IP65-rated housing for continuous-duty industrial and automation use.
Output Torque40 – 2000 Nm
Frame Size Range060 – 220 mm
Output DirectionRight-Angle (90°)
Product Features
Key design and engineering features of the MFB/MFBR right-angle planetary gearbox
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Right-angle (90°) output via internal bevel gear stage saves installation space
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Low backlash down to ≤1 arcmin (P0 grade) for precise, repeatable positioning
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High torsional rigidity and radial/axial load capacity for direct servo motor mounting
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6 frame sizes (060–220mm) covering output torque from 40Nm to 2000Nm
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Maintenance-free synthetic grease lubrication, rated for 20,000 hours service life
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IP65-rated housing, mountable in any orientation, operating range -10°C to 90°C
Technical Specifications
Full parameter data and dimensional reference
⚙ MFB Right-Angle Configuration
⚙reducer-7-config.jpg
📐 Frame Size Comparison
📐reducer-7-dim.jpg
| Parameter | Specification |
|---|
| Series | MFB (Standard) / MFBR (Extended Ratio Range) |
| Reducer Type | Right-Angle Precision Planetary Gearbox |
| Frame Size Range | 060, 090, 115, 142, 180, 220 (mm) |
| Rated Output Torque | 40 Nm – 2000 Nm |
| Reduction Ratio — MFB | Single stage: 3/4/5/6/7/8/10 Double stage: 12–100 |
| Reduction Ratio — MFBR | Single stage: 3–20 Double stage: 25–200 |
| Backlash | P0 ≤1 arcmin P1 ≤3 arcmin P2 ≤5 arcmin (grade varies by stage/size) |
| Transmission Efficiency | ~95% (single stage) / ~92% (double stage) |
| Lubrication | Maintenance-free synthetic grease |
| Protection Rating | IP65 |
| Operating Temperature | -10°C to 90°C |
| Service Life | 20,000 hours |
| Mounting Orientation | Any orientation |
* Radial/axial load capacity and full mounting-hole dimensional drawings vary by frame size — available on request to match your exact servo motor model.
Applications
Typical industries and equipment where the MB/MBR planetary gearbox excels
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Robotics & Automation
Robotic arms, pick-and-place systems and automated assembly requiring precise, repeatable positioning.
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CNC & Machine Tools
CNC rotary axes, indexing tables and machine tool feed drives needing low backlash and high rigidity.
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Precision Positioning Equipment
Antenna positioners, camera gimbals and inspection equipment requiring smooth, accurate motion control.
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Packaging & Labeling Machinery
Servo-driven packaging, labeling and printing equipment needing high-speed, high-accuracy indexing.
Advantages
Why engineers and buyers choose CoreMotor Tech for the MFB/MFBR right-angle planetary gearbox
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Flexible order quantities and competitive wholesale pricing — OEM/ODM bulk pricing available
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Export documentation and shipping coordination provided
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6 frame sizes and multiple backlash grades available for fast servo-motor matching
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English-speaking sales and technical support via WhatsApp
Frequently Asked Questions
Common questions about the MFB/MFBR right-angle planetary gearbox
Why choose a right-angle gearbox instead of an inline one?+
A right-angle (90°) gearbox lets the motor sit perpendicular to the output shaft, which is useful when axial space along the output direction is limited — for example in compact robot joints or equipment with tight side clearance. If space isn't a constraint, our inline MB/MBR series is generally a more economical choice.
What is the difference between MFB and MFBR?+
MFB is the standard configuration with reduction ratios up to 10:1 (single stage) or 100:1 (double stage). MFBR extends this range up to 20:1 (single stage) or 200:1 (double stage) for applications needing extra-low output speed. Tell us your required ratio and we'll recommend the right one.
Can this gearbox be mounted directly to my servo motor?+
Yes. The MFB/MFBR series is designed with a standard input flange to mount directly onto common servo motor frame sizes. Tell us your servo motor brand and model (or its flange/shaft dimensions) and we will confirm compatibility or recommend an adapter.
Is OEM/custom specification available?+
Yes. We support custom input adapters, output shaft configuration, backlash grade and branding with flexible MOQ. Contact us via WhatsApp for OEM pricing and exact dimensional drawings for your frame size.
