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Z12A Ultra High Torque Expansion Sleeve with Steel Construction High Rigidity Strong Stability and Impact Resistance

Home / Products / Expansion Sleeves / Z12A Ultra High Torque Expansion Sleeve with Steel Construction High Rigidity Strong Stability and Impact Resistance
Z12A Ultra High Torque Expansion Sleeve with Steel Construction High Rigidity Strong Stability and Impact Resistance

Z12A Ultra High Torque Expansion Sleeve with Steel Construction High Rigidity Strong Stability and Impact Resistance

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  • Specification
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Specification

Size (mm) Dimensions (mm) Rated load Contact pressure (MPa) Locking screw Weight (Approx. kg)
L1 L2 Axial (kN) Torque (N·m) Shaft (MPa) Hub (MPa) Tightening (N·m)
25×50×40 32 46 65 810 288 98 17 0.85
25×55×40 32 46 65 950 288 102 17 0.35
28×55×40 32 46 78 970 261 98 17 0.4
30×55×40 32 46 85 1100 247 98 17 0.5
38×75×54 44 62 145 2790 263 117 41 1.54
42×75×54 44 62 151 3020 293 121 41 1.29
45×75×54 44 62 151 3150 248 116 41 1.15
48×75×64 56 72 159 3890 261 96 41 1.3
50×80×64 56 72 163 4110 156 97 41 1.26
55×80×64 56 72 193 4320 167 94 41 1.46
60×90×64 56 72 211 6130 160 109 41 1.55
65×115×78 70 88 314 11730 184 117 83 2.9
70×115×78 70 88 340 11940 159 104 83 3
75×120×78 70 88 392 16400 166 130 83 3.4
85×125×78 70 88 400 16500 175 119 83 3.7
95×135×78 70 88 412 19000 160 112 83 5
100×145×100 90 112 559 27200 165 113 145 6
115×155×100 90 112 593 37900 163 111 145 6.4
120×180×100 90 132 666 59900 153 119 230 10
130×185×116 104 130 783 60900 171 126 230 10
140×210×116 104 130 901 85200 160 122 355 12.4
160×235×146 134 162 1257 107000 146 118 355 15.7
170×235×146 134 162 1393 136000 153 111 355 19.6
190×250×146 134 162 1440 198000 150 104 355 21.5
200×260×146 134 162 1640 232000 150 116 355 30
220×285×146 134 162 1760 283000 150 112 690 33
260×325×166 165 197 2560 358000 139 125 690 49.8
300×375×177 165 197 2960 446000 157 116 690 50






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 such as Jiangsu University of Science and Technology, School of Mechanical Engineering of Jiangsu University, 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 imported 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. In recent years, the company has been committed to the in-depth research and development of ball cage constant velocity universal couplings, and has successively developed ball cage constant velocity universal couplings for screw pumps, ball spline ball cage constant velocity universal couplings, coaxial double-speed, and double-way ball cage constant velocity universal couplings. It fundamentally solves the new problems that users currently encounter during use. 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!
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