Product Description


We offer China manufacture Rexnord standard CZPT coupling elastomer coupling
All type is from China manufacture of ZheJiang factory. quality is same with Rexnord standard, and low price.

Coupling No.
HP per /
100 rpm
Max Basic Torque  Bore Dia  Dimensions
speed ( (mm) Max A B C D E F
(rpm)     Outer dia. Hub Length Spacing Hub Dia. Min Hub Dia. Total Length
              (In) (Out)     (In) (Out)
E2 0.3 7,500 218 28 89 24 36 46 47 38 84 94
E3 0.59 7,500 421 34 102 38 8 46 59 50 84 122
E4 0.89 7,500 639 42 116 38 8 46 66 57 84 122
E5 1.51 7,500 1,080 48 137 44 9 59 80 70 97 147
E10 2.33 7,500 1,670 55 162 44 9 59 93 84 97 147
E20 3.73 6,600 2,670 60 184 50 13 65 114 102 113 165
E30 5.88 5,800 4,210 75 210 58 9 69 138 118 125 185
E40 8.85 5,000 6,340 85 241 63 9 75 168 146 135 201
E50 12 4,000 8,820 90 279 70 11 91 207 152 151 231
E60 20 3,800 14,400 105 318 82 9 97 222 165 173 261
E70 36 3,600 25,500 120 356 85 19 109 235 175 189 279
E80 62 2,000 45,500 155 406 114 17 149 286 240 245 377
E100 137 1,900 98,100 171 533 140 44 95 359 267 324 375
E120 274 1,800 196,000 190 635 152 56 106 448 305 360 411

Coupling and steel hub assembly



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, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?

A: Payment 30%TT in advance. 70% T/T before shippment


Standard Or Nonstandard: Standard
Shaft Hole: 10-32
Torque: 50-70N.M
Bore Diameter: 14mm
Speed: 7000r/M
Structure: Flexible
US$ 23/Piece
1 Piece(Min.Order)

Request Sample



Customized Request


What Is a Coupling?

A coupling is a mechanical device that links two shafts together and transmits power. Its purpose is to join rotating equipment while permitting a small amount of misalignment or end movement. Couplings come in a variety of different types and are used in a variety of applications. They can be used in hydraulics, pneumatics, and many other industries.


Coupling is a term used to describe a relationship between different modules. When a module depends on another, it can have different types of coupling. Common coupling occurs when modules share certain overall constraints. When this type of coupling occurs, any changes to the common constraint will also affect the other modules. Common coupling has its advantages and disadvantages. It is difficult to maintain and provides less control over the modules than other types of coupling.
There are many types of coupling, including meshing tooth couplings, pin and bush couplings, and spline couplings. It is important to choose the right coupling type for your specific application to get maximum uptime and long-term reliability. Listed below are the differences between these coupling types.
Rigid couplings have no flexibility, and require good alignment of the shafts and support bearings. They are often used in applications where high torque is required, such as in push-pull machines. These couplings are also useful in applications where the shafts are firmly attached to one another.
Another type of coupling is the split muff coupling. This type is made of cast iron and has two threaded holes. The coupling halves are attached with bolts or studs.


The coupling function is an incredibly versatile mathematical tool that can be used in many different scientific domains. These applications range from physics and mathematics to biology, chemistry, cardio-respiratory physiology, climate science, and electrical engineering. The coupling function can also help to predict the transition from one state to another, as well as describing the functional contributions of subsystems in the system. In some cases, it can even be used to reveal the mechanisms that underlie the functionality of interactions.
The coupling selection process begins with considering the intended use of the coupling. The application parameters must be determined, as well as the operating conditions. For example, if the coupling is required to be used for power transmission, the design engineer should consider how easily the coupling can be installed and serviced. This step is vital because improper installation can result in a more severe misalignment than is specified. Additionally, the coupling must be inspected regularly to ensure that the design parameters remain consistent and that no detrimental factors develop.
Choosing the right coupling for your application is an important process, but it need not be difficult. To find the right coupling, you must consider the type of machine and environment, as well as the torque, rpm, and inertia of the system. By answering these questions, you will be able to select the best coupling for your specific application.


A coupling is a device that connects two rotating shafts to transfer torque and rotary motion. To achieve optimal performance, a coupling must be designed for the application requirements it serves. These requirements include service, environmental, and use parameters. Otherwise, it can prematurely fail, causing inconvenience and financial loss.
In order to prevent premature failure, couplings should be properly installed and maintained. A good practice is to refer to the specifications provided by the manufacturer. Moreover, it is important to perform periodic tests to evaluate the effectiveness of the coupling. The testing of couplings should be performed by qualified personnel.
China supplier Rexnord Coupling   dry break couplingChina supplier Rexnord Coupling   dry break coupling
editor by CX 2023-04-26