REDSUN SA series helical worm gear reducer with AC motor

REDSUN SA series helical worm gear reducer with AC motor

Model No.︰SA37-87

Brand Name︰REDSUN

Country of Origin︰China

Unit Price︰US $ 100 / pc

Minimum Order︰10 pc

Inquire Now

Product Description


1.High modular design, biomimetic surface with owned intellectual property right.

2.Adopt German worm hob to process the worm wheel.

3.With the special gear geometry, it gets high torque, efficiency and long life circle.

4.Can achieve the direct combination for two sets of gearbox.

5.Mounting mode: foot mounted, flange mounted, torque arm mounted.

6.Output shaft: solid shaft, hollow shaft.

Main applied for:

1.Chemical industry and environmental protection

2.Metal processing

3.Building and construction

4.Agriculture and food

5.Textile and leather

6.Forest and paper

7.Car washing machinery

Technical Data:


Housing material

Cast iron/Ductile iron

Housing hardness HBS190-240
Gear material 20CrMnTi alloy steel
Surface hardness of gears HRC58°~62 °
Gear core hardness HRC33~40
Input / Output shaft material 42CrMo alloy steel
Input / Output shaft hardness HRC25~30
Machining precision of gears Accurate grinding, 6~5 Grade
Lubricating oil GB L-CKC220-460, Shell Omala220-460
Heat treatment Tempering, cementiting, quenching, etc.
Efficiency 94%~96% (depends on the transmission stage)
Noise (MAX) 60~68dB
Temp. Rise (MAX) 40°C
Temp. Rise (Oil)(MAX) 50°C
Vibration ≤20µm
Backlash ≤20Arcmin
Brand of bearings China top brand bearing, HRB/LYC/ZWZ/C&U. Or other brands requested, SKF, FAG, INA, NSK.
Brand of oil seal NAK --- Taiwan or other brands requested



Worm Gear Motor Gearbox with Solid Shaft

Our Company:

1.It is a professional company specialized in researching,developing and selling gearboxes which was founded

in 2001.

2.Redsun factory occupies 35000 Sqm and  370 staffs.

3.The annual production capacity of speed reducer is around 70000 sets.
Worm Gear Motor Gearbox with Solid Shaft

Our Workshop:
Worm Gear Motor Gearbox with Solid Shaft
Worm Gear Motor Gearbox with Solid Shaft

Worm Gear Motor Gearbox with Solid Shaft


Q: Are you trading company or manufacturer ?

A: We are factory.

Q: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock.

Q: Can we buy 1 pc of each item for quality testing?

A: Yes, we are glad to accept trial order for quality testing.

Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance, balance before shippment.
If you have another question, pls feel free to contact us.


For more details, contact me below:

Tony Ye: info(at)

Price Terms︰ FOB,CNF,CIF,etc

Payment Terms︰ TT / LC

Packing︰ Standard Export Wooden Case Package

Lead Time︰ 30 Days


Standards Certificate︰ ISO9001:2015

Product Image