Wuxi Taixinglai Precision Bearing Co., Ltd.
Wuxi Taixinglai Precision Bearing Co., Ltd.
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Ceramic Ball Bearing 7207 C HC P4A GA is widely used in high-speed motor and CNC machining center spindles. The speed reaches 20000 to 25000 rpm. Si3N4 ceramic ball is used, and Kluberspeed BF72-23 is used as grease, with double sealing structure. It has the characteristics of high speed, high rigidity, low temperature rise and low noise.
| 72 Series Angular Contact Ball Bearing | ||||||||||||
| Bearing No | Dimensions(mm) | (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 | |
| 7204C | 20 | 47 | 14 | 14.60 | 8.15 | 32000 | 48000 | 43000 | 63000 | 74 | 252 | 527 |
| 7204AC | 20 | 47 | 14 | 14.00 | 7.80 | 30000 | 45000 | 36000 | 53000 | 105 | 393 | 843 |
| 7205C | 25 | 52 | 15 | 15.60 | 9.30 | 28000 | 43000 | 36000 | 53000 | 79 | 269 | 562 |
| 7205AC | 25 | 52 | 15 | 15.00 | 9.00 | 26000 | 40000 | 32000 | 48000 | 113 | 420 | 901 |
| 7206C | 30 | 62 | 16 | 23.20 | 14.60 | 24000 | 38000 | 30000 | 45000 | 122 | 412 | 856 |
| 7206AC | 30 | 62 | 16 | 22.00 | 14.00 | 22000 | 36000 | 26000 | 40000 | 175 | 637 | 1357 |
| 7207C | 35 | 72 | 17 | 25.50 | 18.00 | 20000 | 34000 | 26000 | 40000 | 136 | 454 | 942 |
| 7207AC | 35 | 72 | 17 | 24.50 | 17.00 | 19000 | 32000 | 22000 | 36000 | 197 | 714 | 1521 |
| 7208C | 40 | 80 | 18 | 32.00 | 22.40 | 18000 | 30000 | 24000 | 38000 | 176 | 584 | 1204 |
| 7208AC | 40 | 80 | 18 | 30.50 | 21.60 | 17000 | 28000 | 20000 | 36000 | 259 | 912 | 1925 |
