KOYO Single-row, matched pair angular contact ball bearings
Various part numbers in stock, welcome inquiry. Fast shipment within 2-3 working days.Â
| Boundary dimensions | Bearing No. | (Refer.) | |||
| d | (mm) | NNÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â NNU | Mass (kg) | ||
| Cylindrical         Cylindrical | Cylindrical | ||||
| DÂ Â Â Â Â Â Â Â Â Â B | bore | bore | |||
| 220 | 300 | 80 | NNU4944 | 16.7 | |
| 370 | 120 | 52.5 | |||
| 240 | 320 | 80 | NNU3144 | NNU4948 | 18 |
| 360 | 92 | — | 32.8 | ||
| 400 | 128 | NNU3148 | 65.3 | ||
| 260 | 360 | 100 | NNU4952 | 31.4 | |
| 280 | 380 | 100 | NN3056 | NNU4956 | 33.1 |
| 420 | 106 | — | 51.2 | ||
| 300 | 420 | 118 | NN3060 | NNU4960 | 51.9 |
| 460 | 118 | — | 70.8 | ||
| 320 | 480 | 121 | NN3064 | NNU4064 | 76.4 |
| 480 | 160 | — | 99.9 | ||
| 340 | 460 | 118 | NNU4968 | 56.8 | |
| 520 | 180 | 136 | |||
| 360 | 480 | 118 | NNU4068 | NNU4972 | 58.2 |
| 540 | 134 | — | 107 | ||
| 540 | 180 | NN3172 | NNU4072 | 142 | |
| 540 | 266 | 72NNU54266 | 219 | ||
| 600 | 192 | — | 218 | ||
| 380 | 570 | 300 | — |  76NNU57300 | 271 |
| 400 | 600 | 148 | NN3080 | 80NNU60170 | 146 |
| 600 | 170 | NNU4080 | 172 | ||
| 600 | 200 | 195 | |||
| 410 | 600 | 220 | — | 82DC60220 | 214 |
WHCD Bearing Co.,Ltd is professional bearing supplier, engaged in bearing business with more than eighteen years, export to worldwide countries, as America, European, Middle-East, Southeast Asia …etc. with plenty long-term cooperation customers. WHCD Bearing company will provide professional and prompt solution for customers.Original Quality and Warranted, and Bearing experts team support customer service. Various bearing types for customer choose:Â Â




