Z8 High Precision Expansion Sleeve with Easy Disassembly and Assembly and Excellent Fatigue Resistance

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Specification

Size (mm) Dimensions (mm) Rated load Contact pressure (MPa) Locking screw Weight (Approx. kg)
L1 L2 D1 Axial (kN) Torque (N·m) Shaft (MPa) Hub (MPa) Tightening (N·m)
18×47×28 17 34 54 28 270 212 94 17 0.3
19×47×28 17 34 54 28 274 215 93 17 0.3
20×47×28 17 34 54 28 280 218 94 17 0.32
22×47×28 17 34 54 28 300 200 95 17 0.32
24×50×28 17 34 57 28 330 178 89 17 0.35
25×50×28 17 34 57 34 420 210 105 17 0.32
28×55×28 17 34 62 35 510 177 96 17 0.37
30×55×28 17 34 62 35 510 177 96 17 0.37
32×60×28 17 34 67 40 730 222 116 17 0.39
35×60×28 17 34 67 44 770 194 112 17 0.39
38×65×28 17 34 72 45 830 181 103 17 0.46
40×65×28 17 34 72 50 940 182 109 17 0.46
42×75×33 20 41 82 70 1590 234 130 41 0.72
45×75×33 20 41 82 70 1630 213 124 41 0.7
48×80×33 20 41 87 70 1740 198 119 41 0.8
50×80×33 20 41 87 80 1830 195 120 41 0.77
55×85×33 20 41 92 80 2210 192 125 41 0.8
60×90×33 20 41 97 80 2410 178 120 41 0.88
65×95×33 20 41 102 90 3090 192 131 41 0.93
70×110×40 24 50 117 130 4620 208 134 83 1.6
75×115×40 24 50 122 130 4900 191 123 83 1.76
80×120×40 24 50 127 130 5000 176 119 83 1.81
85×125×40 24 50 132 150 6300 195 135 83 1.9
90×130×40 24 50 137 150 6800 187 131 83 2
95×135×40 24 50 142 160 7700 191 132 83 2.1
100×145×44 26 56 152 190 9800 202 141 145 2.8
110×155×44 26 56 162 200 10300 173 125 145 3.2
120×165×44 26 56 172 220 12200 189 138 145 3.4
130×180×54 34 66 187 280 19000 177 126 145 5.1
140×190×54 34 68 197 290 20000 158 115 230 5.4

Size (mm) Dimensions (mm) Rated load Contact pressure (MPa) Locking screw Weight (Approx. kg)
L1 L2 D1 Axial (kN) Torque (N·m) Shaft (MPa) Hub (MPa) Tightening (N·m)
150×200×54 34 68 207 340 26000 179 133 230 5.6
160×210×54 34 68 217 370 30000 141 139 230 6
170×225×64 44 78 232 380 34000 185 106 230 7.9
180×235×64 44 78 242 400 35000 130 101 230 8
190×250×64 44 78 257 460 48000 161 120 230 10
200×260×64 44 78 267 500 48000 144 110 230 10.5
220×285×72 50 88 294 587 64500 145 110 355 13.4
240×305×72 50 88 314 734 88000 165 130 355 14.3
260×325×72 50 88 334 840 114000 180 145 355 15.5
280×355×84 60 102 364 948 132000 150 120 485 22.9
300×375×84 60 102 384 1059 129000 150 125 485 24.1
320×405×101 74 121 414 1374 250000 160 120 690 36.4
340×425×101 74 121 434 1603 272500 140 130 690 38.4
360×455×116 86 138 464 1710 308000 175 115 930 46.2
380×475×116 86 138 486 1995 379000 155 125 930 55
400×495×116 86 138 504 1995 399000 150 120 930 61






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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News
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