K Series Helical‑Bevel Gear Reducer | Bevel Helical Gear Motor Gearbox
Transmek K Series Helical Bevel Gearbox is a high efficiency right angle industrial gear reducer designed for heavy duty power transmission applications.
Featuring precision helical-bevel gears, cast iron housing, and modular design, this gearbox provides high torque capacity, low noise operation, and long service life for conveyor systems, material handling equipment, mining machinery, packaging machines, and industrial automation equipment.
Available with solid shaft output, hollow shaft output, shrink disc connection, splined hollow shaft, and torque arm mounting, the K Series gearbox offers flexible installation solutions for various industrial drive applications.
With multiple mounting configurations and reduction ratios, it is an ideal solution for customers looking for reliable industrial gearbox replacement or customized gear reducer solutions.
Components:
1. Housing: Cast Iron
2. Gears:
3. Input Configurations:
Equipped with Electric Motors
Solid Shaft Input
IEC-normalized Motor Flange
4. Applicable Motors:
Single Phase AC Motor, Three Phase AC Motor
Brake Motors
Inverter Motors
Multi-speed Motors
Explosion-proof Motor
Roller Motor
5. Output Configurations:
Solid Shaft Output
Hollow Shaft Output
Models:
K Series – Foot-mounted, solid shaft output
KAB Series – Foot-mounted, hollow shaft output
KA Series – Keyed hollow shaft output
KF Series – B5 Flange-mounted, solid shaft output
KAF Series – B5 Flange-mounted, hollow shaft output
KAZ Series – B14 Flange-mounted, hollow shaft output
KAT Series – Hollow shaft output, torque arm
KH, KHB, KHF, KHZ Series – Hollow shaft output, shrink disk
KV, KVB, KVF, KVZ Series – Hollow shaft output, splined hollow shaft
K(KA, KF, KAF, KAB, KAZ)S Series – Solid shaft input
Features:
1. Compact structure, modular design
2. High efficiency of the gear units of over 90%
3. Long service life
4. Multi-stage(2 or 3 stages) gear units for low output speed
5. Hollow output shaft with keyed connection, shrink disk, splined hollow shaft, or torque arm
6. Can be combined with other types of gearboxes (Such as R Series, UDL Series)
Parameters:
| Models | Output Shaft Dia. | Input Shaft Dia. | Power(kW) | Ratio | Max. Torque(Nm) | |
| Solid Shaft | Hollow Shaft | |||||
| K38 | 25mm | 30mm | 16mm | 0.18~3.0 | 5.36~106.38 | 200 |
| K48 | 30mm | 35mm | 19mm | 0.18~3.0 | 5.81~131.87 | 400 |
| K58 | 35mm | 40mm | 19mm | 0.18~5.5 | 6.57~145.15 | 600 |
| K68 | 40mm | 40mm | 19mm | 0.18~5.5 | 7.14~144.79 | 820 |
| K78 | 50mm | 50mm | 24mm | 0.37~11 | 7.22~192.18 | 1550 |
| K88 | 60mm | 60mm | 28mm | 0.75~22 | 7.19~197.27 | 2700 |
| K98 | 70mm | 70mm | 38mm | 1.3~30 | 8.95~175.47 | 4300 |
| K108 | 90mm | 90mm | 42mm | 3~45 | 8.74~141.93 | 8000 |
| K128 | 110mm | 100mm | 55mm | 7.5~90 | 8.68~146.07 | 13000 |
| K158 | 120mm | 120mm | 70mm | 11~160 | 12.66~150.03 | 18000 |
| K168 | 160mm | 140mm | 70mm | 11~200 | 17.35~164.44 | 32000 |
| K188 | 190mm | 160mm | 70mm | 18.5~200 | 17.97~178.37 | 50000 |
Installation:
Foot-mounted
B5 Flange-mounted
B14 Flange-mounted
Shaft-mounted
Lubrication:
Oil-bath and Splash Lubrication
Cooling:
Natural Cooling
Applications of K Series Helical Bevel Gearbox
Conveyor Systems Gearbox
K Series gear reducers are widely used for belt conveyors, roller conveyors, and material handling systems requiring stable torque transmission and continuous operation.
Mining & Heavy Duty Equipment
Designed for harsh environments, K Series industrial gearboxes provide reliable performance for crushers, feeders, and bulk material handling equipment.
Packaging Machinery
The compact right-angle design makes the gearbox suitable for packaging lines, automation equipment, and production systems.
Food & Beverage Machinery
Available with customized motor configurations for mixing, conveying, and processing applications.
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Q1: What motors can match the K series gear reducer? A1: The K series helical-bevel gearbox is compatible with single-phase & three-phase AC motors, brake motors, inverter motors, multi-speed motors, explosion-proof motors and roller motors. It adopts standard IEC motor flange for universal matching.
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Q2: What are the output shaft types of K series reducer? A2: It supports multiple output forms, including solid shaft, keyed hollow shaft, shrink disk hollow shaft, splined hollow shaft and hollow shaft with torque arm, meeting various equipment installation needs.
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Q3: What is the transmission efficiency of K series gearbox? A3: The modular helical-bevel gear unit has a high transmission efficiency of over 90%, with low energy consumption, stable operation and no obvious heat generation during long-term working.
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Q4: Can K series reducer be used with other gearboxes? A4: Yes. It can be perfectly combined with R series helical gear reducers and UDL variable speed drives to form a multi-stage transmission system for ultra-low speed and high torque working conditions.
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Q5: What lubrication and cooling methods does it adopt? A5: Standard configuration is oil-bath and splash lubrication with natural air cooling, which is suitable for most conventional and heavy-duty industrial working conditions, with low maintenance cost.
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Q6: Is your K series reducer replaceable with SEW K series gearbox? A6: Yes. Our K series reducer adopts modular standard design with consistent installation dimensions, power and torque parameters, which can perfectly replace imported SEW K series products with higher cost performance.
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Q7: What mounting styles are available? A7: Multiple optional mounting methods: foot-mounted, B5 flange-mounted, B14 flange-mounted and shaft-mounted, flexible for different equipment installation spaces.
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