YRT turntable bearing is a slewing mechanism whose outer ring rotates and inner ring supports. It is mainly divided into three series: YRT type, YRTS type and YRTM type. These three series bearings have the same installation size, different internal structures and similar performances. YRT series bearings are composed of three rows of rollers, two rows of axial rollers ensure a stable axial bearing capacity, and one row of radial rollers ensures that the bearings can withstand radial force and overturning moment, and are suitable for slewing mechanisms with axial loads. YRT turntable bearings are mainly used in CNC machine tool manufacturing.
YRT rotary table bearing is composed of a thrust/radial shaft ring, a thrust washer, two needle roller cage assemblies and a set of radial cylindrical rollers. The seat ring and the shaft ring have evenly distributed screw holes for installation. This type of bearing has high axial and radial load carrying capacity. High tilt stiffness and high precision. Suitable for bearing arrangements in rotary tables, chucks and milling heads as well as in measurements and experiments. This type of bearing also has higher requirements on the matching equipment parts. During installation, the tightening torque of the mounting screws must be controlled.
Scope of application: It is widely used in precision devices such as precision rotary tables, CNC rotary tables, vertical grinding machines, dividing heads, gear hobbing machines, and workpiece shafts of gear milling machines.
| Model No. | Outline dimensions | Outer holes | Inner holes | Limited speed | Weight | |||||||
| Da | d1 | Di | C | H1 | H | La | na | Li | ni / CS Øds x ts | |||
| mm | mm | mm | mm | mm | mm | mm | mm | rpm | kg | |||
| YRT 50 | 126 | 105 | 50 | 10 | 20 | 30 | 116 | 12 Ø5.6 | 63 | 10 Ø5.6 | 440 | 1.6 |
| YRT 80 | 146 | 130 | 80 | 12 | 23.35 | 35 | 138 | 12 Ø4.6 | 92 | 10 Ø5.6 CS Ø10×4 | 530 | 2.4 |
| YRT 100 | 185 | 160 | 100 | 12 | 25 | 38 | 170 | 15 Ø5.6 | 112 | 16 Ø5.6 CS Ø10×5.4 | 430 | 4.1 |
| YRT 120 | 210 | 184 | 120 | 12 | 26 | 40 | 195 | 21 Ø7 | 135 | 22 Ø7 CS Ø11×6.2 | 340 | 5.3 |
| YRT 150 | 240 | 214 | 150 | 12 | 26 | 40 | 225 | 33 Ø7 | 165 | 34 Ø7 CS Ø11×6.2 | 320 | 6.2 |
| YRT 180 | 280 | 244 | 180 | 15 | 29 | 43 | 260 | 45 Ø7 | 194 | 46 Ø7 CS Ø11×6.2 | 280 | 7.7 |
| YRT 200 | 300 | 274 | 200 | 15 | 30 | 45 | 285 | 45 Ø7 | 215 | 46 Ø7 CS Ø11×6.2 | 260 | 9.7 |
| YRT 260 | 385 | 345 | 260 | 18 | 36.5 | 55 | 365 | 33 Ø9.3 | 280 | 34 Ø9.3 CS Ø15×8.2 | 200 | 18.3 |
| YRT 325 | 450 | 415 | 325 | 20 | 40 | 60 | 430 | 33 Ø9.3 | 342 | 34 Ø9.3 CS Ø15×8.2 | 170 | 25 |
| YRT 395 | 525 | 486 | 395 | 20 | 42.5 | 65 | 505 | 45 Ø9.3 | 415 | 46 Ø9.3 CS Ø15×8.2 | 140 | 33 |
| YRT 460 | 600 | 560 | 460 | 22 | 46 | 70 | 580 | 45 Ø9.3 | 482 | 46 Ø9.3 CS Ø15×8.2 | 120 | 45 |
| YRT 580 | 750 | 700 | 580 | 30 | 60 | 90 | 720 | 42 Ø11.4 | 610 | 46 Ø11.4 CS Ø18×11 | 80 | 89 |
| YRT 650 | 870 | 800 | 650 | 34 | 78 | 122 | 830 | 42 Ø14 | 680 | 46 Ø14 CS Ø20×13 | 65 | 170 |
| YRT 850 | 1095 | 1018 | 850 | 37 | 80.5 | 124 | 1055 | 54 Ø18 | 890 | 58 Ø18 CS Ø26×17 | 50 | 253 |
| YRT 950 | 1200 | 1130 | 950 | 40 | 86 | 132 | 1160 | 54 Ø18 | 990 | 58 Ø18 CS Ø26×17 | 40 | 312 |
| YRT 1030 | 1800 | 1215 | 1030 | 40 | 92.5 | 145 | 1255 | 66 Ø18 | 1075 | 60 Ø18 CS Ø26×17 | 33 | 375 |
