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Wholesale RSK-CPNST 45# steel blackening stepped single diaphragm coupling

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  • Specification
  • Describe
Specification

>The diaphragm is made of 304 stainless steel 

>High torque rigidity, can accuragtely control the rotation of the shaft , can carry out high precision control

>Designed specifically for servo, stepper motor

>With keyway design, large troque transmission

>The gap-free shaft and shaft sleeve connection is suitable for forward and reverse rotation

>The shaft sleeve is  made of 45# steel 

>Tightening method of positioning screw 

①NO. ②D ③L ④d₁  ⑤d₂ Optional range D₂ N F H M Tightening screw torque
(N ·m)
RSK-CPNST 56  45  12 12.7   14 15 16 17 18 19 20 22 24 38  6.1  6.0  19.45  M5
68  53                      15 16 17 18 19 20 22 24 25 46  6.9  7.7  23.05  M6
82  68                                17 18 19 20 22 24 25 28 30 32 35 38 56  8.6  9.0  29.7  M8 20 

①NO. ②D ③L Rated torque
(N ·m)
Allowable eccentricity
(mm )
Allowable deflection
(°)
Allowable axial deviation
(mm)
Allowable speed
(rpm)
Static reversal stiffness
(N ·m/rad)
Moment of inertia Weight
(g)
RSK-CPNST 56  45  37  0.1  ±0.36 5000  4700  1.5×10⁻⁴ 420 
68  53  90  0.1  ±0.40 4500  7200  3.7×10⁻⁴ 700 
82  68  125  0.1  ±0.50 4000  9600  5.8×10⁻⁴ 1304 






Company
Jiangsu Rokang Heavy Industry Technology Co., Ltd.
Jiangsu Rokang Heavy Industry Technology Co., Ltd. has fixed assets of more than 80 million yuan, and has a team of professional talents in mechanical design, precision manufacturing, heat treatment, welding, etc.; the company has a one-stop complete set of processing facilities and a series of quality inspection systems such as measurement, physical and chemical, and dynamic testing, and has a comprehensive mechanical processing capability. For many years, the company has been committed to the research and development and manufacturing of ball cage type constant velocity universal couplings, cross shaft type universal couplings, and drum gear couplings. It has carried out close industry-university-research cooperation with military and local scientific research institutes and Power Engineering Department of PLA Naval Academy, and has continuously expanded into the fields of precision, heavy load and high speed. The products have successfully replaced foreign famous brand products with excellent performance, and the process technology has reached the international advanced level. It has been widely used in lifting and transportation, metallurgical machinery, metal rolling, engineering machinery, mining machinery, petrochemical, textile machinery, military ships, armored vehicles, railway locomotives, special vehicles and other fields. The product quality and service have been recognized and praised by the majority of users, and are exported to Europe, America, Russia, the Middle East, India and other countries and regions. As ChinaSuppliers of RSK-CPNST 45# steel blackening stepped single diaphragm coupling, Rokang offer Wholesale RSK-CPNST 45# steel blackening stepped single diaphragm coupling. The company has always adhered to the business purpose of "quality first, honest management, and customer first". We are willing to work with you with excellent products, preferential prices and thoughtful services to create a brilliant career!
Certificate Of Honor
  • ROHS-HTT2025041212CH
  • ROHS-HTT2025041211CH
  • REACH-HTT2025041212CH
  • REACH-HTT2025041211CH
  • CE-HTT2025041212R
  • CE-HTT2025041211R
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