Taper roller bearing:
1. Inch size: LM11749/10, LM11949/10, LM12749/10, LM12749/11,
LM44643/10, LM 67048/10, L44649/10, L68149/10,
L68149/11, M12649/10, JL69349/10, L45449/10, LM48548/10
2. Metric size: 30203~ 30209, 320/28
3. Bore diameter: 100mm-1200mm
4. Sesling from: Open, ZZ, Z, 2RS, RS, 2RZ