The 51300 series thrust ball bearing is a high-precision, high-load-carrying mechanical component that is widely used in various types of industrial equipment and machinery. This series of bearings uses a pair of tapered rollers and a bearing seat to withstand axial loads and provide good rotational stability. The design of the 51300 series bearings can effectively reduce friction during high-speed operation, thereby extending service life. Its material is generally high-strength alloy steel, ensuring excellent wear resistance and fatigue resistance. In addition, this kind of bearing is easy to install and maintain, and is suitable for automotive, aerospace, heavy machinery and other fields.
Product parameters
| Designation | Principal Dimensions(mm) | Basic Load Ratings(KN) | Limited Speed(rpm) | Weight | ||||
| d | D | T | Dynamic(Cr) | Static(Cor) | Grease | Oil | (kg) | |
| 51305 | 25 | 52 | 18 | 35.5 | 61.5 | 3000 | 4300 | 0.17 |
| 51306 | 30 | 60 | 21 | 42.8 | 78.5 | 2400 | 3600 | 0.26 |
| 51307 | 35 | 68 | 24 | 55.2 | 105 | 2000 | 3200 | 0.37 |
| 51308 | 40 | 78 | 26 | 69.2 | 135 | 1900 | 3000 | 0.53 |
| 51309 | 45 | 85 | 28 | 75.8 | 150 | 1700 | 2600 | 0.66 |
| 51310 | 50 | 95 | 31 | 96.5 | 202 | 1600 | 2400 | 0.92 |
| 51311 | 55 | 105 | 35 | 115 | 242 | 1500 | 2200 | 1.28 |
| 51312 | 60 | 110 | 35 | 118 | 262 | 1400 | 2000 | 1.37 |
| 51313 | 65 | 115 | 36 | 115 | 262 | 1300 | 1900 | 1.48 |
| 51314 | 70 | 125 | 40 | 148 | 340 | 1200 | 1800 | 1.98 |
| 51315 | 75 | 135 | 44 | 162 | 380 | 1100 | 1700 | 2.58 |
| 51316 | 80 | 140 | 44 | 160 | 380 | 1000 | 1600 | 2.69 |
| 51317 | 85 | 150 | 49 | 208 | 495 | 950 | 1500 | 3.47 |
| 51318 | 90 | 155 | 50 | 205 | 495 | 900 | 1400 | 3.69 |
| 51320 | 100 | 170 | 55 | 235 | 595 | 800 | 1200 | 4.86 |
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