Z7 Extreme Overload Expansion Sleeve for Ultra High Speed Intelligent Integration and Durable Steel Structure

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Z7 Extreme Overload Expansion Sleeve for Ultra High Speed Intelligent Integration and Durable Steel Structure

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Specification

Size(mm) Dimensions (mm) Rated load Contact pressure (MPa) Locking screw Weight (Approx. kg)
L1 L2 dw Axial (kN) Torque (N·m) Shaft (MPa) Tightening (N·m)
14×38×11 7 14.5 11 6.31 30 193 4 0.1
12 9.2 50 179
16×41×15 11 18.5 13 10 70 133 4 0.1
14 13.1 90 131
24×50×19.5 14 23 19 26 170 292 4 0.21
20 26 200 272
21 28 240 277
30×60×21.5 16 25 24 29 300 231 4 0.32
25 31 340 235
26 32 370 226
36×72×23.5 18 27.5 28 50 440 307 12 0.48
30 56 550 295
32 60 610 319
44×80×25.5 20 29.5 35 63 660 314 12 0.64
36 75 800 323
38 75 830 307
50×90×27.5 22 31.5 40 78 980 301 12 0.8
42 82 1110 277
45 83 1150 292
55×100×30.5 23 34.5 45 90 1390 249 12 1.15
48 93 1550 257
48 94 1880 252
62×110×30.5 23 34.5 50 97 1900 293 12 1.3
52 105 1940 290
52 110 2300 265
68×115×30.5 23 34.5 55 111 2300 247 12 1.32
55 115 2600 265
60 115 2600 245
75×138×32.5 25 38 55 123 3020 284 30 1.7
60 124 3070 262
65 132 3170 270

Size(mm) Dimensions (mm) Rated load Contact pressure (MPa) Locking screw Weight (Approx. kg)
L1 L2 dw Axial (kN) Torque (N·m) Shaft (MPa) Tightening (N·m)
80×145×32.5 25 38 60 141 3910 253 30 1.9
65 153 3940 259
70 160 4600 259
85×155×39 30 44.5 65 165 4650 276 30 3.5
70 170 4660 279
75 191 600 279
90×155×39 30 44.5 65 191 6300 263 30 3.3
70 200 6800 285
75 210 7100 271
100×170×44 34 49.5 70 212 7300 253 30 4.7
75 220 7300 258
80 227 7300 271
110×185×50 39 57 75 233 7500 242 59 5.9
80 240 8600 234
85 249 8800 237
115×188×50 39 57 80 252 9500 232 59 5.5
85 254 10500 225
90 269 10800 234
120×215×54 42 61 80 291 10800 283 59 9
85 292 11100 291
90 310 11400 288
125×215×54 42 61 85 330 13300 277 59 8.3
96 330 13400 274
95 334 14000 261
130×215×54 42 61 90 345 14700 245 59 8
95 354 15100 255
100 362 15400 255
140×230×60.5 46 68.5 95 374 15400 269 100 10.4
100 408 18100 272
105 425 20900 275
155×265×64.5 50 72.5 105 442 21000 250 100 15
110 451 22000 271
115 480 25000 260
160×265×64.5 50 72.5 110 492 26000 249 100 14.5
115 504 28000 249
120 530 29000 259
165×290×71 56 81 115 580 30000 271 59 22
120 583 30000 269
125 590 34000 280
170×290×71 56 81 120 611 35000 255 250 21
125 620 36000 279
130 648 37000 268

Size(mm) Dimensions (mm) Rated load Contact pressure (MPa) Locking screw Weight (Approx. kg)
L1 L2 dw Axial (kN) Torque (N·m) Shaft (MPa) Tightening (N·m)
175×300×71 56 81 125 662 39000 256 250 22
130 670 40000 253
135 670 40000 251
180×300×71 56 81 130 768 41000 243 250 21
135 786 43000 243
140 810 47000 258
185×330×86 71 96 135 811 53000 246 250 37
140 832 56000 242
145 835 56000 237
190×330×86 71 96 140 860 60000 246 250 36
145 870 60000 242
150 903 63000 232
195×350×86 71 96 140 960 67000 285 250 41
150 961 72000 277
155 1017 76000 263
200×350×86 71 96 150 1025 77000 262 250 41
155 1050 81000 273
160 1112 89000 278
220×370×104 88 114 160 1200 96000 250 250 54
165 1251 103000 250
170 1330 113000 255
240×405×109 92 122 170 1391 114000 258 490 67
180 1576 138000 272
190 1591 148000 258
260×430×120 103 133 190 1800 167000 267 490 82
200 1960 191000 272
210 2010 208000 270
280×460×134 114 147 210 2070 211000 241 490 102
220 2130 234000 241
230 2300 265000 246
300×485×142 122 155 230 2431 275000 246 490 118
240 2540 292000 244






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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