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Help CenterRB25025 For Industrial Robot Joints Crossed Roller Bearing
Product Spotlights
2. Ultra-compact, slim cross-section
3. High rigidity, adjustable preload & superior precision
4. Smooth rotation & stable friction torque
5. Convenient mounting & optional sealing
6. Widely used in such as robot joints, inspection turntables, optical platforms, medical scanner gantries and compact indexing devices.
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RB25025 with the Cross-Roller Ring, cylindrical rollers are arranged crosswise, with each roller perpendicular to the adjacent roller, in a 90゜ V groove, separated from each other by a spacer retainer. This design allows just one bearing to receive loads in all directions including, radial, axial and moment loads.Since the Cross-Roller Ring achieves high rigidity despite the minimum possible dimensions of the inner and outer rings. A single unit supports combined radial, axial and moment loads. Slim and compact, they achieve high rigidity and ultra-precision via adjustable preload. Spacers ensure smooth, low-friction rotation. Typical applications include robot joints, inspection turntables, optical platforms, medical scanner gantries and compact indexing devices.
Applacations:
1. Industrial Robot Joints
2. Precision Inspection & Optical Equipment
3. Medical Imaging Equipment
4. Small CNC Indexing Devices
5. Semiconductor & Automation Equipment
6. Aerospace Test Platforms
parameters:
| Bearing Type | Dimension | Shoulder Size | Basic Load Rating(Radial) |
Weight | ||||||
| Inner Diameter | Out Diameter |
Roller Pitch Diameter | Height | Chamfer | Cr | Cor | ||||
| d | D | Dpw | B B1 | rmin | ds | Dh | kN | kN | kg | |
| RB16025 | 160 | 220 | 192 | 25 | 1.5 | 173 | 204 | 81.7 | 135 | 3.14 |
| RB17020 | 170 | 220 | 196.1 | 20 | 1.5 | 184 | 198 | 29 | 62.1 | 2.21 |
| RB18025 | 180 | 240 | 210 | 25 | 1.5 | 195 | 225 | 84 | 143 | 3.44 |
| RB19025 | 190 | 240 | 219 | 25 | 1 | 202 | 222 | 41.7 | 82.9 | 2.99 |
| RB20025 | 200 | 260 | 230 | 25 | 2 | 215 | 245 | 84.2 | 157 | 4 |
| RB20030 | 200 | 280 | 240 | 30 | 2 | 221 | 258 | 114 | 200 | 6.7 |
| RB20035 | 200 | 295 | 247.7 | 35 | 2 | 225 | 270 | 151 | 252 | 9.6 |
| RB22025 | 220 | 280 | 250.1 | 25 | 2 | 235 | 265 | 92.3 | 171 | 4.1 |
| RB24025 | 240 | 300 | 272.5 | 25 | 2.5 | 256 | 281 | 68.3 | 145 | 4.5 |
| RB25025 | 250 | 310 | 280.9 | 25 | 2.5 | 265 | 290 | 69.3 | 150 | 5 |
| RB25030 | 250 | 330 | 287.5 | 30 | 2.5 | 269 | 306 | 126 | 244 | 8.1 |
| RB25040 | 250 | 355 | 300.7 | 40 | 2.5 | 275 | 326 | 195 | 348 | 14.8 |
| RB30025 | 300 | 360 | 332 | 25 | 2.5 | 315 | 340 | 76.3 | 178 | 5.9 |
| RB30035 | 300 | 395 | 345 | 35 | 2.5 | 322 | 368 | 183 | 367 | 13.4 |
Luoyang Yadian Mechanical Equipment Co., Ltd. mainly produces a series of precision bearings including turntable bearings, crossed roller bearings, crossed tapered bearings, harmonic reducer bearings, flexible bearings, RV reducer bearings, constant cross-section thin-section bearings, precision machine tool spindle bearings, and precision rotary table bearings. The bearing production covers inner diameters from Φ3mm to outer diameters of Φ2500mm, with precision grades of P5, P4, and P2; higher precision bearings can be provided upon request. The company's leading products are YRT, YRTS, YRTM, ZKLDF, and ZKLDFM series turntable bearings, as well as RB RE, RU, RA, RA-C, RAU, CRB, CRBC, CRBH, CRBS, CRBT, CRBTF, XU, XA, XI XSU, XSA, XSI, and SX series crossed cylindrical roller bearings, and JXR, XR, and Z series crossed tapered roller bearings. Meanwhile, Luoyang Yadianings can also provide CSG and SHF series harmonic reducer bearings, flexible bearings, RV reducer bearings, constant cross-section thin-section bearings, precision machine tool spindle bearings, precision rotary bearings, and non-standard customized bearings. Currently, the YDPB series products have been widely applied in fields such as CNC machine tools, industrial robots, service robots, collaborative, AGVs, SCARA robots, exoskeleton robots, surgical robots, hexapod robots, quadruped robots, humanoid robots, aviation equipment, radar communications, medical equipment, precision measuring instruments printing and dyeing equipment, alignment platforms, optical equipment, industrial rotary tables, hollow rotary platforms, DD motors/direct drive motors, harmonic reducers, and planetary reducers. They are matched with universities and research institutes, used in special robots, mobile radar vehicles, and national key scientific research projects to replace imports, earning high praise from customers.
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