EPK Series Helical Bevel Gearbox Gear Unit Reducer
EPK Series Helical Bevel Gearbox Gear Unit Reducer
EPK Series Helical Bevel Gearbox Gear Unit Reducer is a high-quality, cost-effective product that is widely used in various industries such as ports and shipping, lifting and transporting, electricity, coal mining, cement and construction, paper and light industry, chemical, and environmental protection. The gearbox features a high modular design, high load support, stable transmission, low noise, good sealing, and wide range of industry applications. It is cost-saving, low maintenance, high efficiency, and power-saving.
The housing material of the gearbox is made of cast iron or ductile iron with a housing hardness of HBS190-240. The gear material is made of 20CrMnTi alloy steel, and the surface hardness of the gears is HRC58??~62 ??. The gearbox has accurate grinding, 6~5 Grade, and is lubricated with GB L-CKC220-460 or Shell Omala220-460 oil. Its efficiency ranges from 94%~96%, depending on the transmission stage, and its noise level is between 60~68dB. The permissible torque ranges from 200~50000n.m, and the weight ranges from 11~1700kg.
To install, maintain, repair, or replace the gearbox, refer to the technical data table for the corresponding size. The gearbox is versatile and can be customized according to specific requirements.
Advantages:
- High modular design
- High load support, stable transmission, and low noise
- Good sealing, wide range of industry applications
- High efficiency and power saving
- Cost saving and low maintenance
Main Application:
- Ports and Shipping
- Lifting and transporting
- Electricity
- Coal mining
- Cement and Construction
- Paper and Light Industry
- Chemical and environmental protection, etc.
Technical Data:
|
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 | ??20?m | |
Backlash | ??20Arcmin |
Size | Solid Shaft Dia. (mm) | Hollow Shaft Dia. (mm) | Center Height (mm) | Output Flange Dia. (mm) | Power (kw) | Ratio | Permissible Torque (n.m) | Weight (kgs) |
37 | ??25k6 | ??30h7 | 100 | ??110/160 | 0.18-3.0 | 5.36-106.38 | 200 | 11 |
47 | ??30k6 | ??35h7 | 112 | ??120/200 | 0.18-3.0 | 5.81-131.87 | 400 | 20 |
57 | ??35k6 | ??40h7 | 132 | ??155/250 | 0.18-5.5 | 6.57-145.14 | 600 | 27 |
67 | ??40k6 | ??40h7 | 140 | ??155/250 | 0.18-5.5 | 7.14-144.79 | 820 | 33 |
77 | ??50k6 | ??50h7 | 180 | ??170/300 | 0.37-11.0 | 7.24-292.18 | 1550 | 57 |
87 | ??60m6 | ??60h7 | 212 | ??215/350 | 0.75-22.0 | 7.19-197.18 | 2700 | 85 |
97 | ??70m6 | ??70h7 | 265 | ??260/450 | 1.1-30.0 | 8.95-176.05 | 4300 | 130 |
107 | ??90m6 | ??90h7 | 315 | ??304/450 | 3.0-45.0 | 8.74-141.46 | 8000 | 250 |
127 | ??110m6 | ??100h7 | 375 | ??350/550 | 7.5-90.0 | 8.68-146.07 | 13000 | 380 |
157 | ??120m6 | ??120m6 | 450 | ??400/660 | 11.0-160.0 | 12.65-150.41 | 18000 | 610 |
167 | ??160m6 | ??160m6 | 500 | ??800 | 11.0-200.0 | 17.28-163.91 | 32000 | 1015 |
187 | ??190m6 | ??190m6 | 600 | ??800 | 18.5-200.0 | 17.27-180.78 | 50000 | 1700 |
Why Choose Us
1. Wide Selection of Reducers
Our company offers the widest range of standard and custom solutions for applications in motion control and mechanical transmission. We provide precision inline planetary gearboxes and right angle planetary gearboxes, 90 degree right angle servo motor gearboxes, harmonic drive gearboxes, RV reducers for robots, ground precision racks, and pinions, servo motors, stepper motors, brushless motors, etc. The company can also provide worm gear reducers, gear motors, screw jacks, steering gears, and other related reducer gearboxes and accessories. This means you can get what you want right here and benefit from our one-stop service, saving you time and money.
2. Attractive Price and Top Brand Quality
We offer our customers very attractive prices with good quality. Compared with other companies' gearboxes, our precision planetary gearboxes feature low backlash (2-8 arcmin), high efficiency (??95%), and low noise (60dBA). All servo gearboxes produced by our famous brand will be strictly inspected and tested before leaving the factory. In addition, we provide customers with a one-year warranty and lifetime after-sales service.
3. All-round Professional Technical Support
Don't worry if you don't know how to choose the right transmission for your machine. We have a professional technical team to serve you. As long as you follow our steps, you'll know how to choose the right size. After selecting the matching gearbox for your motor, we will send you the corresponding CAD drawing for your inspection to avoid any mistakes. We also offer 24-hour technical support if you have any other issues that need urgent resolution.
4. Provide Customized Service
If you need a custom gearbox for a unique application, we can provide custom service according to your requirements. We will provide you with reliable, high-performance custom gearboxes from small to large output torques. Please tell our sales engineer your detailed requirements and all the necessary dimensions you want. The more information you provide us, the more suitable we can design a custom transmission for you.
5. Fast Delivery Time
For most standard reducers, we have sufficient stock, which can be delivered to customers in a very short time, solve the problem of urgent replacement of damaged gearboxes on working machines, and save costs for customers. Also, if a customer needs a gearbox of a certain size urgently and we do not have it in stock, we can arrange priority production, especially for you.
6. Professional
As one of the leading bevel gearbox manufacturers, mechanical product suppliers, and factories, we supply angular contact worm gearbox, planetary gearbox, and many other products.
At our company, we also supply various Plastic Gear used in industry, such as agricultural gearboxes, power output shafts, sprockets, fluid couplings, worm gear reducers, gears and racks, detachable chains, pulleys and pulleys, planetary gearboxes, timing pulleys, bushings, and more. Our products are of high quality, favorable price, and considerate service, and we welcome customers to come to the drawing or sample customization.
Q&A
- What is the housing material of the gearbox?
- What is the gear material of the gearbox?
- What is the efficiency range of the gearbox?
- What is the noise level of the gearbox?
- What are the main applications of the gearbox?
About us

We guarantee top-quality products at the best prices in China! Special orders are welcome, and if you’re interested in any of our products, feel free to reach out for more detailed information. We ensure our products are safe, high-quality, and reasonably priced. Please contact us as soon as possible if you’d like to learn more. We’re eager to cooperate with you!
A large portion of our products is exported to Europe and the Americas, with both standard and custom options available. We can manufacture according to your drawings or samples, using standard materials or as per your specific requirements. Choosing us means choosing reliability.

Materials Available
1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20
3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
4. Bronze: C51000, C52100, C54400, etc
5. Iron: 1213, 12L14,1215
6. Aluminum: Al6061, Al6063
7.OEM according to your request

Surface Treatment
Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.
Processing Method
CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly

QC & Certificate
Technicians self-check in production,final-check before package by professional Quality inspector
ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009
Package & Lead Time
Size: Drawings
Wooden Case/Container and pallet, or as per customized specifications.
15-25days samples. 30-45days offcial order
Port: Shanghai/Ningbo port

Industries We Service
