Custom Professional Small Needle Bearings NA4908 Wear Resistant OEM
1. Needle Roller Bearing Specification:
| Bearing type | Needle Roller Bearing |
| Model | NA4908 |
| Brand | TIMKEN / NSK / KOYO / INA |
| Size (mm) | 40*62*22 |
| Weight (kg) | 0.249 |
| Lubrication | Oil / Grease |
2. Inch needle roller bearing
SCE,BCE,SCH,BCH,SN,B,BH,M,MH,;BA...Z,BHA...Z,BAM,BHAM,YB,YBH
1. RS--- single side sealed with metric system
2. 2RS--- double sealed with metric system
3. P--- single side sealed with inch system
4. PP--- double sealed with inch system
5. STO--no outer wall,an inner ring roller bearing
3 . More introduction on the needle roller bearing
RNA22...2RS double sealed, no inner ring roller bearing
NA22..2RS double sealed, an inner ring roller bearing
NATR...PP flat ring axial guide roller bearing
NATV...PP flat ring axial guide roller bearing, full needle
NUTR rolling body guide roller bearing, full roller
CRY inch flat ring guide roller bearing
ASI/OH--oil hole;HK,BA,TA..Z--drawn cup caged needle roller bearing with open end;BK,TAM,TLAM--drawn cup caged needle roller bearing with closed end.
1. F--drawn cup caged full needle roller bearing with open end
2. FY,YT--drawn cup caged full needle roller bearing with open end(grease limit)
3. FH,YTL--drawn cup caged full needle roller bearing with open end(heavy series)
4. MF--drawn cup caged full needle roller bearing with closed end
5. MFH--drawn cup caged full needle roller bearing with closed end
6. SCE--drawn cup caged needle roller bearing with open end
7. BCE--drawn cup caged needle roller bearing with closed end
8. SCH--drawn cup caged needle roller bearing with open end
9. BCH--drawn cup caged needle roller bearing with closed end
10. SN--drawn cup caged full needle roller bearing with open end
11. B--drawn cup caged full needle roller bearing with open end
12. BH--drawn cup caged full needle roller bearing with open end(heavy series)
13. M--drawn cup caged full needle roller bearing with closed end
14. MH--drawn cup caged full needle roller bearing with closed end(heavy series)
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 |
