Half sealed tapered roller bearing of bonding formula

The utility model provides a half sealed tapered roller bearing of bonding formula. Include bearing inner race, a bearing inner race and assemble in tapered roller between the two that install on the holder, bearing inner race be close to and be provided with the cross -section on the inner wall of the one end of tapered roller major part for the ring channel of rectangle, the ring channel inside callipers accommodates a cross -section for the flexible material's of concave type annular retaining ring, a side card in retaining ring cross -section is in the ring channel, does another side is located the bearing inner race outside and remains with bearing inner race have 1 2mm's clearance, clearance intussuseption are filled with sealing material, and paste on the holder through the bonding agent on the base in retaining ring cross -section to the sealed tapered roller that blocks. The utility model discloses simple structure on the basis that does not change present bearing arrangement, can prevent to corrode