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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: Flying Knight
  • Model Number: worm drive gearbox of WJ30~WJ150
  • Gearing Arrangement: Worm
  • Output Torque: up to 880Nm
  • Rated Power: 0.09~7.5kw
  • Input Speed: <2000rpm
  • Output Speed: 1.3~193rpm
  • Ratio: 7.5~100
  • Color: RAL9006 aluminium, RAL5010 blue or other
  • Input Form: IEC flange, solid shaft
  • Output Form: Solid shaft, hollow shaft
  • Mounting Position: Foot mounted, flange mounted or torque arm mounted
  • Certificate for motor: CE,UL,CSA
  • Material: Cast aluminium alloy, Cast iron
  • Quality Control System: ISO9001:2008

Packaging & Delivery

Packaging Details standard export packing (carton and pallet)
Delivery Time 15~25 workdays according to quantity

worm drive gearbox

Small size: standard export packing (carton and pallet);

Big size: fumigated wood carton or non-wood packing material carton


About us


We are one of the leading manufacturers of  worm gearbox in China, specialized in gearbox industry for 22 years. Our products have been reputed by our customers for long. Manufacturing according to the ISO9001 quality control system guidelines. We help our customer develop special gearbox for their application and OEM service offered.


Product features


1. WJ series worm reducer gear box adopt aluminium alloy or cast iron square housing, small size and elegant appearance.

2. It is flexible and convenient to install,steady running,efficent radiator,low noise,high carrying ability.

3. The products have been widely used for machinery equipment, such as  chemical, plating, ceramic, pharmaceutical, leather, foods,beverage,etc.


General Technical data


Housing materialZL108 Al-alloy or HT200 cast iron
Worm wheel materialZCuSn10Pb1
Worm gear material40Cr
Lubricating oilGB Gn230-460 Synthetic or Mineral oil
Noise (MAX)60~68dB
Temp. rise  (MAX)50°C 
Temp. rise (Oil)(MAX)60°C
Brand of bearingsC&U or other brand requested
Brand of oil sealNAK--- Taiwan or other brands requested


ModelShaft Dia.(mm)Center HeightOutput Flange Dia.PowerRatioPermitted torqueWeight
Solid(h6)Hollow(h7) (mm)  (mm)(kw)(Nm)(KGS)
Wj30 141440 800.09~0.37.5~100221.5
Wj40 1918/1950 1100.12~0.57.5~100552.5
Wj50 252560 1250.18~0.77.5~1001204
Wj63 252572 1800.37~1.57.5~1001756
Wj75 282886 2000.55~37.5~1002809
Wj90 3535103 2100.75~47.5~10042513.5
Wj110 4242127.5 2701.1~5.57.5~10058543
Wj130 4545147.5 3201.5~7.57.5~10085067
Wj150 5050 170 320 2.2~15 7.5~100 1500100
Remark: the weight without motor







Combined system






Company Information





For more parameters and dimensions, please contact with us. Welcome to send us inquiry!

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China (Mainland) | Manufacturer, Trading Company
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The supplier’s transactions conduted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $76,000
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