NSK spherical roller bearing suffix

NSK spherical roller bearing suffix

 

NSK spherical roller bearing are double row self-aligning bearings capatable of carrying heavy radial loads combined with moderate thrust loads in both direction,it have brass cage and pressed steel cage,the chamfer of NSK spherical roller bearing is black,this design is good for rust protection,they are extremely resistant to shock loads and their self-aligning feature allows full capacity loading despite shaft deflection.

 

Basic Type:

22200:Spherical roller, medium

22300:Spherical roller, heavy

23000:Spherical roller, very light

23100:Spherical roller, light

23200:Spherical roller, medium, wide

23900:Spherical roller, extra light

24000:Spherical roller, very light, wide

24100:Spherical roller, light, wide

 

Lubrication feature of NSK spherical roller bearing

 

E3: Holes only,outer

E4: Groove & holes,outer

E7: Groove & holes,outer & inner

E8: Outer ring with tapped holes in both faces for lifting + E4 feature

 

Bore Type

Blank:cylindrical bore

K:    1:12 tapered bore

K30:  1:30 tapered bore

 

other feature of spherical roller bearing

P52: Outer ring accuracy

P53: Inner ring accuracy

P55: Both ring accuracy

U22: Special inspection measure

 

S11: Inner and outer ring Heat stabilized to 200°C

 

Cage design of NSK spherical roller bearing

 

CAM:One piece brass cage,guide ring

C,CD:two pcs pressed steel cage guide ring

EA:high capacity steel cage

H:two pcs polyamide cage

M:two pcs brass cage

 

For example 23172 CAMKE4C3P53S11,it mean 23172 bearing,Brass cage,1:12 tapered bore,groove & holes,outer ring,C3 clearance,inner ring accuracy and heat stabilized to 200°C both inner and outer ring.

 

More suffix of NSK Spherical roller bearing

 

C2:tight

black:normal

C3:Loose

C4:Extra loose

g:carburized steel,complete bearing

g3:carburized steel ,inner ring only

E42:PLUGS PROVIDED FOR OUTER RING HOLES

E4P55:COMBINATION W33, W4, W31

E4U22:COMBINATION W33, W31

E7U22:COMBINATION W33, W26, W31

P52:OUTER RING WITH EXTRA CLOSE RUNNING ACCURACY

P53:INNER RING WITH EXTRA CLOSE RUNNING ACCURACY

P55:INNER AND OUTER RING W/EXTRA CLOSE RUNNING ACCURACY

U22:SPECIAL INSPECTION MEASURES