Wuxi Taixinglai Precision Bearing Co., Ltd.
Wuxi Taixinglai Precision Bearing Co., Ltd.
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Angular Contact Ball Bearing 71903 C P4A GA (in addition to DB, DT, TBT, QBC and other matching methods) is mainly used on the spindle of CNC machine tools. The operating speed reaches 55000 to 60000 rpm. Imported materials, imported G5 grade steel balls, and Kluberspeed NBU15 grease are used, which have the advantages of high rigidity, high precision, high speed, etc.
| 719 Series Angular Contact Ball Bearing | ||||||||||||||
| Bearing No | Dimensions(mm) | rsmin | rs1min | (KN) BasicRatedload | (RPM) Ball speed limit | (RPM) Ceramic Ball limit speed | (N) Preload | |||||||
| d | D | B | Cr | Cor | Grease Lubrication | Oil Lubrication | Grease Lubrication | Oil Lubrication | A | B | C | |||
| 71900C | 10 | 22 | 6 | 0.30 | 0.30 | 3.00 | 1.53 | 70000 | 110000 | 90000 | 15000 | 15 | 52 | 115 |
| 71900AC | 10 | 22 | 6 | 0.30 | 0.30 | 2.90 | 1.46 | 63000 | 95000 | 75000 | 12000 | 17 | 65 | 150 |
| 71901C | 12 | 24 | 6 | 0.30 | 0.30 | 3.35 | 1.86 | 60000 | 90000 | 80000 | 130000 | 15 | 56 | 126 |
| 71901AC | 12 | 24 | 6 | 0.30 | 0.30 | 3.20 | 1.76 | 56000 | 85000 | 67000 | 100000 | 19 | 67 | 162 |
| 71902C | 15 | 28 | 7 | 0.30 | 0.30 | 5.00 | 2.90 | 50000 | 75000 | 67000 | 100000 | 20 | 77 | 167 |
| 71902AC | 15 | 28 | 7 | 0.30 | 0.30 | 4.80 | 2.75 | 48000 | 70000 | 56000 | 85000 | 22 | 112 | 259 |
| 71903C | 17 | 30 | 7 | 0.30 | 0.30 | 5.30 | 3.15 | 48000 | 70000 | 60000 | 90000 | 21 | 81 | 176 |
| 71903AC | 17 | 30 | 7 | 0.30 | 0.30 | 5.00 | 3.00 | 43000 | 63000 | 50000 | 75000 | 23 | 116 | 268 |
| 71904C | 20 | 37 | 9 | 0.30 | 0.30 | 7.35 | 4.55 | 38000 | 56000 | 50000 | 75000 | 41 | 137 | 297 |
| 71904AC | 20 | 37 | 9 | 0.30 | 0.30 | 6.95 | 4.40 | 36000 | 53000 | 43000 | 63000 | 38 | 172 | 390 |
