Products
NSK Spherical Roller Bearing Nomenclature System
Source: MobearingAuthor: adminTime: 2019-07-30 14:54:20
NSK brand bearing has different item number from other bearing brand. Here we will show you NSK sphercial roller bearing nimenclature system
Series |
Size |
Bore Diameter |
Internal Design |
Cage Type |
Ring Modification |
Clearance |
22 |
2 |
24 |
E |
A |
K |
W33 |
C3 |
1 Series & Size
22200: Spherical roller
22300: Spherical roller
23000: Spherical roller
23100: Spherical roller
23200: Spherical roller, wide
23900: Spherical roller
24000: Spherical roller, wide
24100: Spherical roller, wide
2 Internal Design
E: High-capacity spherical roller bearing
EF800: Shaker screen specification,
special tolerance and C4 clearance
3 Cage
A: Pressed-steel cage
M: Machined-brass cage
4 Ring Modification
Blank: Cylindrical Bore
K: 1:12 Tapered Bore
K30: 1:30 Tapered Bore
W33: Oil groove and holes
Outer ring
5 Clearance
C1: Radial clearance less than C2
C2: Radial clearance less than normal
Normal radial clearance
C3: Radial clearance greater than normal
C4: Radial clearance greater than C3
C5: Radial clearance greater than c4