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7221CD / P4A super precision angular hu rau pob bearing specification:
| Lub npe | 7221-CD/P4A | |
| Qeb | ||
| Angular contact ball bearing, super-precision | ||
| Qhov ntev | ||
| d (Txoj kab uas hla) | 105 hli | 4.134 ib |
| D (Outer diameter) | 190 hli | 7,48 ib |
| B (dav) | 3 6mm | 1.417 ib |
| W (qhov hnyav) | 3, 87kg | 8.53 lbs ib |
| Technical Data | ||
| Cr (kN) Basic dynamic load ntsuam xyuas | 172 | |
| C0r (kN) Basic static load rating | 153 | |
| Fatigue load txwv | 5.3 | |
| Txaus siab rau roj lubrication (r / min) | 7500 | |
| Txaus siab rau roj- cua lubrication (r/min) | 12000 | |
| Sib cuag lub kaum sab xis | 15 degree | |
| Pob qhov taub (mm) | 26,988mm 2 | |
| Cov pob | 15 | |
| Siv roj kom muaj nuj nqis | 48.33 3 cm | |
| foob | Tsis muaj | |
| Precision | P4A | |
Txuas ntxiv7221. , 4 AB angular contact ball bearing 10519036
| Lub npe | Thawj qhov loj me | Basic load ntsuam xyuas | Ua tau nrawm | ||||
| dynamic | zoo li qub | Roj lubrication | Roj- cua lubrication | ||||
| dmm ua | Dmm | Bmm | CkN | C0kN | r/min | r/min | |
| 71921 ACD/P4AH1 | 105 | 145 | 20 | 57.2 | 65.5 | 7 500 | 12 000 |
| 71921 ACD/P4AL | 105 | 145 | 20 | 57.2 | 65.5 | 7 500 | 12 000 |
| 71921 CD/HCP4A | 105 | 145 | 20 | 61.8 | 69.5 | 10 000 | 16 000 |
| 71921 CD/HCP4AH1 | 105 | 145 | 20 | 61.8 | 69.5 | 10 000 | 16 000 |
| 71921 CD/HCP4AL | 105 | 145 | 20 | 61.8 | 69.5 | 10 000 | 16 000 |
| 71921 CD/P4AH1 | 105 | 145 | 20 | 61.8 | 69.5 | 8 500 | 14 000 |
| 71921 CD/P4AL | 105 | 145 | 20 | 61.8 | 69.5 | 8 500 | 14 000 |
| 7221 ACD/HCP4A | 105 | 190 | 36 | 163 | 146 | 7 500 | 12 000 |
| 7221 ACD/P4A | 105 | 190 | 36 | 163 | 146 | 6 700 | 10 000 |
| 7221 CD/HCP4A | 105 | 190 | 36 | 172 | 153 | 9 000 | 14 000 |
| 7221 CD/P4A | 105 | 190 | 36 | 172 | 153 | 7 500 | 12 000 |
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