| Boundary dimensions  (mm)  | 
              Load ratings  (KN)  | 
              Limiting speeds  (r/min)  | 
              Mass  (kg)  | 
              Bearing NO. | ||||
| d | D | B | Cr | Cor | Grease | oil | ZZ | |
| 190 | 290 | 75 | 723 | 1300 | 750 | 950 | 20 | 23038-K-MB | 
    MB type spherical roller bearings features is a two piece precision-machined brass cage , with preferable shock resistant capacity,vibration resistance . An impovement over the conventional BR design , these bearings adopt strengthened symmetric rollers and are equivalent to C desgin in load capacity . 
   ZZ 23038-K-MB bearings are widely used in mining ,petroleum ,chemical,coal ,cement, heavy machinery,wind power ,engineering machinery and other industries . 
Except ZZ 23038-K-MB, we can also supply different internal structure desgin schemes , such as CC ,CA type according to the customers requirement , internal clearance of C2 ,C3, C4 and C5 are customizable ,in addition , nonstandard bearings can be developed , designed and produced . If you want to know more about ZZ 23038-K-MB, welcome you contact us freely .

