Angular Contact Ball Bearing 7210 C P4 GA (in addition to DB, DT, TBT, QBC and other matching methods) is mainly used on the spindle of CNC machine tools. The speed reaches 8000 to 10000 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.
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 | |
7200C | 10 | 30 | 9 | 5.85 | 2.90 | 56000 | 85000 | 7000 | 110000 | 25 | 92 | 198 |
7200AC | 10 | 30 | 9 | 5.60 | 2.80 | 50000 | 75000 | 60000 | 90000 | 31 | 139 | 312 |
7201C | 12 | 32 | 10 | 7.65 | 3.90 | 50000 | 75000 | 63000 | 95000 | 35 | 124 | 264 |
7201AC | 12 | 32 | 10 | 7.35 | 3.75 | 45000 | 67000 | 56000 | 85000 | 47 | 191 | 420 |
7202C | 15 | 35 | 11 | 9.65 | 5.00 | 45000 | 67000 | 56000 | 85000 | 47 | 165 | 347 |
7202AC | 15 | 35 | 11 | 9.30 | 4.80 | 40000 | 60000 | 48000 | 70000 | 65 | 256 | 555 |
7203C | 17 | 40 | 12 | 10.80 | 5.85 | 38000 | 56000 | 50000 | 75000 | 53 | 186 | 391 |
7203AC | 17 | 40 | 12 | 10.40 | 5.60 | 36000 | 53000 | 43000 | 63000 | 75 | 289 | 626 |
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 |
7209C | 45 | 85 | 19 | 33.50 | 24.50 | 17000 | 28000 | 22000 | 36000 | 184 | 607 | 1252 |
7209AC | 45 | 85 | 19 | 32.00 | 23.60 | 15000 | 24000 | 18000 | 30000 | 270 | 955 | 2016 |
7210C | 50 | 90 | 20 | 43.00 | 31.50 | 16000 | 26000 | 20000 | 34000 | 242 | 792 | 1631 |
7210AC | 50 | 90 | 20 | 40.50 | 30.50 | 14000 | 22000 | 17000 | 28000 | 355 | 1230 | 2593 |