Our Japan NSK 23248 CAMKE4 is a basic design spherical roller bearing, tapered bore, with machined brass cage, oil groove and oil holes. And we can get information form the bearings: C means standard contact angle of 15 degree. A means internal design differs from standard. M means machined brass cage. E4 means lubricating groove in outside surface and holes in outer ring. K means tapered bore of 1:12. K30 means tapered bore 1:30. And the bearings have a very high load carrying capacity in the radial and axial directions, so they are widely used in heavy industry.
　　
More details can be learned from NSK Spherical roller bearing23248CAMKE4 technical data below:
   
d: 240mm
D: 440mm
B: 160mm
M: 105kg
Cr : Basic dynamic load rating, radial,  2440 KN  
C0r: Basic static load rating, radial,  4050 KN 
　　
The following are Japan NSK spherical roller bearings available from stock:

23219CAE4        23219CAKE4
23220CAE4        23220CAKE4
23222CAE4        23222CAKE4
23224CAE4        23224CAKE4
23226CAE4        23226CAKE4
23228CAE4        23228CAKE4
23292CAME4     23292CAMKE4
23296CAME4     23296CAMKE4
232/500CAME4  232/500CAMKE4
22208CAKE4     22320CAKE4
22209CAKE4     22322CAKE4
22210CAKE4     22324CAMKE4
22211CAKE4     22326CAMKE4
22212CAKE4     22328CAMKE4
22213CAKE4     22330CAMKE4
22214CAKE4     22332CAMKE4
22215CAKE4     22334CAMKE4
22216CAKE4     22336CAMKE4
22217CAKE4     22338CAMKE4
22218CAKE4     22340CAMKE4
22219CAKE4     22344CAMKE4
22220CAKE4     22348CAMKE4
22222CAKE4     22352CAMKE4
22224CAMKE4  22356CAMKE4
22226CAMKE4  22360CAMKE4
22228CAMKE4  22364CAMKE4
22230CAMKE4  22368CAMKE4
22232CAMKE4  22372CAMKE4
22234CAMKE4  22376CAMKE4
22236CAMKE4  22380CAMKE4
22238CAMKE4  22384CAMKE4
22240CAMKE4  22388CAMKE4
22244CAMKE4  22392CAMKE4
22248CAMKE4  22396CAMKE4
22252CAMKE4  24148CDK30E4
22256CAMKE4  24152CDK30E4

Exception, the equivalents for 23248CAMKE4 in SKF and FAG brand can also provide by us: SKF bearings : 23248 CAK/W33, FAG bearings: 23248-B-K-MB, which are very popular in Russia and USA market. For detail NSK bearings cross reference information, kindly contact our Yakang Bearing.