PAR high torque right angle planetary gearbox

The PAR high torque right angle planetary gearbox is engineered for industrial automation systems that require exceptional torque output, superior rigidity, long service life, and compact installation layouts. Featuring a helical bevel gear right angle structure, the PAR series allows the motor to be mounted at a 90-degree orientation, effectively reducing machine footprint and providing greater space utilization inside automated equipment. This makes the gearbox especially suitable for machinery with strict spatial constraints or multi-axis layouts, where efficient mechanical transmission is critical.

At its core, the PAR high torque right angle planetary gearbox integrates high-rigidity needle roller bearings, enabling significantly higher torsional stiffness and allowing the gearbox to handle heavy loads and peak torque conditions with long-term stability. Combined with a robust housing and precision-machined gear sets, the PAR gearbox delivers exceptional motion accuracy, ultra-low backlash performance, and smooth rotational transmission. Its micro-backlash grade (as low as ≤1 arcmin in certain models) makes it ideal for high-performance servo systems that require precise position control and repeatability.

The gearbox is lubricated with high-viscosity synthetic grease, specially formulated to resist separation and high temperatures. This guarantees reliable operation without lubrication leakage throughout its entire service life, while offering maintenance-free convenience for users. With operational durability of up to 21,000 hours, the PAR series ensures outstanding reliability in demanding environments.

Engineers and machine designers can confidently integrate the PAR high torque right angle planetary gearbox knowing it aligns with recognized gear performance standards and engineering principles used in international research institutions such as the American Society of Mechanical Engineers (ASME) (https://www.asme.org) and the material and torque reference databases of SKF Engineering Resources (https://www.skf.com). These reputable resources further validate design reliability, load capacity, and precision durability.

Built for next-generation automation, the PAR high torque right angle planetary gearbox is extensively used in packaging machinery, CNC equipment, automated production lines, heavy-duty servo systems, and dynamic motion platforms requiring powerful output and space-efficient installation. With a wide torque range, micro-backlash availability, IP65 protection, and efficiency up to 97%, the PAR series is a high-performance solution for industries pursuing accuracy, reliability, and long-term operational cost reduction.

  • Space-Saving 90° Right-Angle Design
    Using helical bevel gears at the input stage, the PAR gearbox allows motor installation at a 90-degree angle. This saves valuable machine space, reduces mechanical interference, and improves machine layout flexibility.
  • High Rigidity & Exceptional Torque Capacity
    Equipped with integrated needle roller bearings, the gearbox provides outstanding torsional rigidity and significantly higher torque output. This makes the PAR high torque right angle planetary gearbox suitable for heavy-duty industrial applications and high-load servo systems.
  • Flexible Mounting: Connector & Shaft Sleeve Options
    Multiple input configurations allow quick and secure mounting to popular servo motor brands. The design offers both connector-type and shaft-sleeve interfaces, ensuring broad compatibility for automation integrators.
  • Zero Lubrication Leakage
    High-viscosity synthetic grease resists separation and prevents leakage even in harsh environments. This ensures clean, reliable operation without any risk of lubricant contamination.
  • Maintenance-Free Operation
    The gearbox is sealed for life, requiring no lubrication replacement throughout its service cycle. This provides convenience, reduces downtime, and lowers maintenance costs for industrial users.
SpecsUnitStageRatioPAR042PAR060PAR090PAR115PAR142PAR180PAR220
Rated Output Torque / T2NNm1319551302304509501220
Rated Output Torque / T2NNm14205515029058010502000
Rated Output Torque / T2NNm15215816033065012002100
Rated Output Torque / T2NNm16164812031060011001550
Rated Output Torque / T2NNm17195014030055011001800
Rated Output Torque / T2NNm1813451302605008801600
Rated Output Torque / T2NNm1912401002203505801140
Rated Output Torque / T2NNm11015401002083425201140
Rated Output Torque / T2NNm114185013030055011001600
Rated Output Torque / T2NNm12015401002083425201140
Rated Output Torque / T2NNm21520551302304509501220
Rated Output Torque / T2NNm220206016029058012002000
Rated Output Torque / T2NNm225206015033065012502100
Rated Output Torque / T2NNm23018501302904509501200
Rated Output Torque / T2NNm235206016035065012002100
Rated Output Torque / T2NNm240185014029058010502000
Rated Output Torque / T2NNm250185016033065012002100
Rated Output Torque / T2NNm270165014030055010001600
Rated Output Torque / T2NNm28010431202605008001600
Rated Output Torque / T2NNm210010401002083425201140
Rated Output Torque / T2NNm212013031050011001800
Rated Output Torque / T2NNm214013030055011001800
Rated Output Torque / T2NNm216012029052010001600
Rated Output Torque / T2NNm21801202304509001500
Rated Output Torque / T2NNm22001002304509001500
Max Output Torque / T2max¹Nm1,23-2003×Nominal Output Torque
Rated Input Speed / n1Nrpm1,23-2003000300030003000250020002000
Max Input Speed / n1mrpm1,23-2006000600060005500450040004000
Micro Backlash P0arcmin13-20≤1≤1≤1≤1≤1≤1≤1
Micro Backlash P0arcmin215-200≤3≤3≤3≤3≤3≤3≤3
Precision Backlash P1arcmin13-20≤3≤3≤3≤3≤3≤3≤3
Precision Backlash P1arcmin215-200≤5≤5≤5≤5≤5≤5≤5
Standard Backlash P2arcmin13-20≤5≤5≤5≤5≤5≤5≤5
Standard Backlash P2arcmin215-200≤7≤7≤7≤7≤7≤7≤7
Torsional RigidityNm/arcmin1,23-20036142556140220
Max Radial Force / Frmax²N1,23-20078013003200675094001450050000
Max Axial Force / Famax²N1,23-200330700158033004700720028000
Service Lifehr1,23-20021000h
Efficiency / η%13-20≥97%
Efficiency / η%225-200≥93%
Weightkg13-200.91.56.41324.55183
Weightkg225-2001.22.17.814.227.55485
Operating Temperature1,23-200(-15℃~+90℃)
Lubrication1,23-200Synthetic Grease
Protection Class1,23-200IP65
Mounting Position1,23-200Any Direction
Noise Level (n1=3000rpm, No load)dB(A)1,23-200≤65≤65≤68≤68≤70≤72≤74
Moment of Inertiakg·cm²13-100.090.352.256.8423.468.9135.4
Moment of Inertiakg·cm²114-200.090.351.876.2521.865.6119.8
Moment of Inertiakg·cm²215-1000.030.070.352.256.8423.468.9
Moment of Inertiakg·cm²2120-2000.311.876.2521.865.6
PAR High Precision High Torque Right Angle Planetary Gearbox dimension stage1
PAR High Precision High Torque Right Angle Planetary Gearbox dimension stage2

PAR High-Torque Right-Angle Planetary Gearbox Catalog (PDF)

Complete 3D Model Files (STEP / IGES)

Detailed Installation Guide & Motor Mounting Instructions

Torque & Speed Curves for All PAR Models

Dimensional Drawings for PAR042–PAR220

  • Packaging Machinery: Packaging systems require continuous, fast, and precise mechanical motion. The PAR gearbox provides: High output torque for secondary packaging systems; Excellent speed regulation; Energy-efficient operation; Long-term accuracy and reliability. Its performance characteristics help ensure stable sealing, cutting, folding, and synchronized conveying operations.
  • CNC Machines & Precision Machining Equipment: CNC machines demand extremely stable and accurate transmission performance. The PAR gearbox supports: Ultra-low backlash for precise tool path execution; High stiffness to resist cutting forces; Smooth acceleration and deceleration during multi-axis operations; For further reference on precision motion control requirements, engineers may consult industry resources from CNC Cookbook (https://www.cnccookbook.com).
  • Robotics & Industrial Automation: Robotic systems benefit from the gearbox’s compact right-angle design and high torque density, enabling powerful actuation in limited spaces. The PAR high torque right angle planetary gearbox is commonly used in robotic joints, AGV steering modules, automated pick-and-place systems, and smart conveyors.
  • High-Duty Servo Systems & Motion Control Platforms: Where powerful acceleration, load-bearing capability, and high positioning accuracy are required, the PAR gearbox offers the ideal balance of strength and precision.