Delivery Time:3-5 days
Certification:CE,FCC,MSDS
Bearing Steel Entity needle roller bearing NA4905 , for Automotive transmissions
Description:NA model bearing are needle roller bearings with an inner ring, which are used if the shaft is not configured as a rolling bearing raceway.
Specifications:| Bearing Designation | Main Dimensions | (N) | Limited Speed | ||||
| d | f | D | B | Basic Rated Load | Min-1 | ||
| C Co | |||||||
| NA 4900 | 10 | 14 | 22 | 13 | 8500 | 9200 | 25000 |
| NA 4901 | 12 | 16 | 24 | 13 | 9400 | 10900 | 23000 |
| NA 4902 | 15 | 20 | 28 | 13 | 10600 | 13600 | 21000 |
| NA 4903 | 17 | 22 | 30 | 13 | 11000 | 14600 | 20000 |
| NA 4904 | 20 | 25 | 37 | 17 | 21000 | 25500 | 17000 |
| NA 4905 | 25 | 30 | 42 | 17 | 23600 | 31500 | 14000 |
| NA 4906 | 30 | 35 | 47 | 17 | 25000 | 35500 | 13000 |
| NA 4907 | 35 | 42 | 55 | 20 | 31500 | 50000 | 11000 |
| NA 4908 | 40 | 48 | 62 | 22 | 43000 | 67000 | 9000 |
| NA 4909 | 45 | 52 | 68 | 22 | 45000 | 73000 | 8500 |
| NA 4910 | 50 | 58 | 72 | 22 | 47000 | 80000 | 8000 |
| NA 4911 | 55 | 63 | 80 | 25 | 58000 | 100000 | 7000 |
| NA 4912 | 60 | 68 | 85 | 25 | 60000 | 10800 | 6500 |
| NA 4913 | 65 | 72 | 90 | 25 | 61000 | 112000 | 6500 |
| NA 4914 | 70 | 80 | 100 | 30 | 84000 | 156000 | 5500 |
| NA 4915 | 75 | 85 | 105 | 30 | 86000 | 162000 | 5500 |
| NA 6901 | 12 | 16 | 24 | 22 | 16000 | 21600 | 23000 |
| NA 6902 | 15 | 20 | 28 | 23 | 17300 | 25500 | 21000 |
| NA 6903 | 17 | 22 | 30 | 23 | 18600 | 29000 | 20000 |
| NA 6904 | 20 | 25 | 37 | 30 | 36000 | 51000 | 17000 |
| NA 6905 | 25 | 30 | 42 | 30 | 39000 | 59000 | 14000 |
| NA 6906 | 30 | 35 | 47 | 30 | 43500 | 71000 | 13000 |
| NA 6907 | 35 | 42 | 55 | 36 | 48000 | 86000 | 11000 |
| NA 6908 | 40 | 48 | 62 | 40 | 66000 | 11600 | 9000 |
| NA 6909 | 45 | 52 | 68 | 40 | 69000 | 127000 | 8500 |
| NA 6910 | 50 | 58 | 72 | 40 | 73000 | 139000 | 8000 |
| NA 6911 | 55 | 63 | 80 | 45 | 90000 | 176000 | 7000 |
| NA 6912 | 60 | 68 | 85 | 45 | 94000 | 191000 | 6500 |
| NA 6913 | 65 | 72 | 90 | 45 | 95000 | 198000 | 6500 |
| NA 6914 | 70 | 80 | 100 | 54 | 128000 | 265000 | 5500 |
| NA 6915 | 75 | 85 | 105 | 54 | 130000 | 275000 |
