KA Series Keyed Hollow Shaft Output Helical Gearbox

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KA Series Keyed Hollow Shaft Output Helical Gearbox

A helical gearbox is a mechanical transmission system that uses helical gears to transfer power between two rotating shafts. They are commonly used in industrial applications that require high torque and efficiency.

KA series helical gearbox is a keyed hollow shaft output helical gearbox. KA series bevel gearbox adopts serialization and modularization design ideas. It has the characteristics of a compact structure, ample transmission torque, stable operation, low noise, long life, and wide adaptability. And KA series bevel gearbox has a lot of motor combinations, installation positions, and structure schemes; users can choose any speed and a variety of structural forms according to the transmission needs.

KA Series Hollow Shaft Helical Gearbox Specifications:

Product name: KA series helical bevel gearbox
Model: KA37/47/57/67/77/87/97/107/127/157/167/187
Mounting ways: Foot mounted and flange mounted
Input ways: Motor input, AM (IEC) flange input, and shaft input
Output way: Solid shaft output or hollow shaft output
Efficiency: over 95%
Housing material: HT250 high-strength cast iron
Gear material: 20CrMnTi
Surface hardness of gears: HRC58-62
Input/Output shaft: 40Cr steel
Heat treatment: Carburizing and quenching
Bearing: C&U or another brand
Oil seal: NAK or another brand
Lubricating oil: Gear oil
Packing: Pywood case

KA Series Hollow Shaft Helical Gearbox Parameters:

Size 37 47 57 67 77 87 97 107 127 157 167 187
Structure K    KA    KF    KAF    KAZ    KAT    KAB
Input power
0.18-3.0 0.18-3.0 0.18-5.5 0.18-5.5 0.37-11 0.75-22 1.1-30 3-45 7.5-90 11-160 00 18.5
Ratio 5.36-
Permissible torque(N.m) 200 400 600 820 1550 2700 4300 8000 13000 18000 32000 50000

Features of KA Series Hollow Shaft Helical Gearbox:

1. It realized serialization and modularization with a compact structure and a wide range of transmission ratios. The transmission efficiency reaches up to 96%.

2. Carburizing, Nitriding & Grinding process of the gear.

3. High efficiency, superior performance with less energy consumption

4. High precision gear, steady transmission, low noise, large load capacity, long service life.

5. Has various installation methods.



We are one of the best helical gearbox suppliers. We can offer wide helical gearbox stock. We have exported our products to clients around the world and earned a good reputation because of our superior product quality and after-sales service. We warmly welcome customers both at home and abroad to contact us to negotiate business, exchange information, and cooperate with us!

Advantages Of Helical Gearbox:

Helical gearboxes offer several advantages over other types of gearboxes, including:

Higher torque capacity: Helical gears in a helical gearbox have a larger contact area than spur gears, which allows them to deliver higher torque loads.

Smooth and quiet operation: The Angle of the helical gears’ teeth allows them to gradually make contact with each other, resulting in a smooth and quiet operation compared to spur gears.

Higher efficiency: Helical gears in helical gears are more efficient than other types of gears, resulting in reduced power losses and improved energy efficiency.

Higher Carrying capacity: Helical gearboxes have higher carrying capacity compared to other types of gearboxes, which makes them suitable for heavy industrial applications.

Longer life: Smooth and progressive meshing of helical gears results in less wear and tear, which extends the life of the gearbox.

Helical Gearbox Application:

Conveyor systems: Helical gear boxes are commonly used in conveyor systems to transfer power between the motor and the conveyor belt.

Mining equipment: Helical gear boxes are used in mining equipment such as crushers, grinders and conveyors to handle heavy loads and high torque requirements.

Power generation: helical gear box is used for wind generator, hydraulic generator and other power generation equipment, to transfer the power of the rotor to the generator.

Marine applications: Helical gear boxes are used in Marine applications such as ships and boats to transfer power between engines and propellers.

Industrial machinery: Helical gear boxes are widely used in industrial machinery, such as pumps, mixers and extruders, to transfer power between the motor and the equipment being driven.

Automotive applications: Helical gear boxes are used in automotive applications such as transmissions and differentials to transfer power between the engine and the wheels.