Do you know needle roller bearing specification?

Needle roller bearing specification include many detail:
Type of needle roller bearing specification:
Open stamping outer ring needle roller bearing specification (1), enclosed stamping outer ring needle roller bearings (2), inner ring needle roller bearings (3) and has no inner ring needle roller bearing/without inner ring cage needle roller bearings (4), with and without cage cage filled with needle roller bearing (5) the SKF also can supply various types of needle roller bearing, 1, 2 needle cage components, no guard the needle roller bearing 3, can make 4, combined needle roller/ball bearing 5, combination needle thrust ball bearing 6, combined needle roller/roller thrust bearing

Needle roller bearing specification:
STO outer ring without guard, has the inner ring support roller
RNA22...2RS double seal, no inner ring supporting roller
NA22...2RS double seal with inner ring supporting roller
NATR
NATR...PP flat ring axial guide support roller
NATV
NATV...PP flat ring axial guide support roller,full needle type
NUTR roller guide support roller, full roller type
CRY inch flat ring axial guide support roller

Needle roller bearing specification classification:
1. Centripetal needle roller and cage components
2. NA,NKI needle roller bearing
3. RNA,NK type needle roller bearing without inner ring
4. HK type punched outer ring needle roller bearing 
5. BK type punched outer ring needle roller bearing 
Needle roller bearing specification structural:
Outer ring double guard (or double lock ring) with cage needle roller bearing NA, NKI type
Inner ring and outer ring (with lock ring, full set of roller needle and cage) can be installed respectively.
Needle roller bearing specification with inner rings may be used if the shaft cannot be used as a raceway, that is, if it is not possible or economical to grind the shaft to harden it.
If you want to know more about needle roller bearing specification or need any other bearings, please also contact me!
Contact: Leon
Email: nsk@zyslbearing.com
Skype: lh19881023
MP/Whatsapp: +8615098916271