NTN 4T-33009 is a standard design tapered roller bearings for extruding machine, hoisting, tools, directional control valves, construction machinery, rolling mill gear box and power supply. The type of bearing dimensions are standardized according to ISO / JISB1512 standards, so they features energy savings, higher output, longer life, higher speed and more efficient assembly specifications.

For details, please see NTN bearings 4T-33009 character indicated in the following, 

    

E type 22213E spherical roller bearing use glass fiber reinforced polyamide 46 resin cage which has excellent heat resistance qualities allowable operating temperatures up to 150 degree, strength, as well as unsurpassed oil resistance. So the NTN bearing used in heavy machinery, just like textile machinery, printing industry, steel, mining and cement industries. In particular in papermaking machinery, the type of bearing was play incisively and vividly.

For reference, NTN bearings 22213E fea...