NA4910 Steel Thrust Needle Roller Bearings C0 C3 C4 Clearance Enough Stock
1. Needle Roller Bearing Specification:
| Bearing type | Needle Roller Bearing |
| Model | NA4910 |
| Brand | TIMKEN / NSK / KOYO / INA |
| Size (mm) | 50*72*22 |
| Weight (kg) | 0.298 |
| Lubrication | Oil / Grease |
2. Needle roller bearing used for general engineer
1. open type drawn cup needle roller bearing(1)
2. closed type drawn cup needle roller bearing(2)
3. needle roller bearing with inner ring(3)
4. needle roller bearing without inner ring/ needle roller bearing without inner ring and cage(4)
5. full needle roller bearing with cage or without cage(5)
3. Type of needle roller bearing
1. radial needle and cage component
2. NA,NKI needle roller bearing
3. RNA,NK needle roller bearing without inner ring
4. HK type drawn cup caged needle roller bearing
5. BK type drawn cup caged needle roller bearing
4 . We also offer following Needle roller bearing .
| d | D | B | d | D | |||
| NA4900 | 10 | 22 | 13 | RNA4900 | 14 | 22 | 13 |
| NA4901 | 12 | 24 | 13 | RNA4901 | 16 | 24 | 13 |
| NA4902 | 15 | 28 | 13 | RNA4902 | 20 | 28 | 13 |
| NA4903 | 17 | 30 | 13 | RNA4903 | 22 | 30 | 13 |
| NA4904 | 20 | 37 | 17 | RNA4904 | 25 | 37 | 17 |
| NA4905 | 25 | 42 | 17 | RNA4905 | 30 | 42 | 17 |
| NA4906 | 30 | 47 | 17 | RNA4906 | 35 | 47 | 17 |
| NA4907 | 35 | 55 | 20 | RNA4907 | 42 | 55 | 20 |
| NA4908 | 40 | 62 | 22 | RNA4908 | 48 | 62 | 22 |
| NA4909 | 45 | 68 | 22 | RNA4909 | 52 | 68 | 22 |
| NA4910 | 50 | 72 | 22 | RNA4910 | 58 | 72 | 22 |
| NA4911 | 55 | 80 | 25 | RNA4911 | 63 | 80 | 25 |
| NA4912 | 60 | 85 | 25 | RNA4912 | 68 | 85 | 25 |
| NA4913 | 65 | 90 | 25 | RNA4913 | 72 | 90 | 25 |
| NA4914 | 70 | 100 | 30 | RNA4914 | 80 | 100 | 30 |
| NA4915 | 75 | 105 | 30 | RNA4915 | 85 | 105 | 30 |
| NA4916 | 50 | 110 | 30 | RNA4916 | 90 | 110 | 30 |
| NA4917 | 85 | 120 | 35 | RNA4917 | 100 | 120 | 35 |
| NA4918 | 90 | 125 | 35 | RNA4918 | 105 | 125 | 35 |
| NA4919 | 95 | 130 | 35 | RNA4919 | 110 | 130 | 35 |
| NA4920 | 100 | 140 | 40 | RNA4920 | 115 | 140 | 40 |
| NA4922 | 110 | 150 | 40 | RNA4922 | 125 | 150 | 40 |
| NA4924 | 120 | 165 | 45 | RNA4924 | 135 | 165 | 45 |
| NA4926 | 130 | 180 | 50 | RNA4926 | 150 | 180 | 50 |
| NA4928 | 140 | 190 | 50 | RNA4928 | 160 | 190 | 50 |
