Series and dimensions:
32004 to 32060; 32203 to 32240; 30303 to 30334; 32304 to 32324; 33008 to 33020; 33108 to 33120; 33205 to 33216
Inch sizes also available
Rings: bearing steel, GCr15
Ball: bearing steel, GCr15
In general, pressed cages are used for large sized bearings, machined or pin type cages are used and for small sized bearings, molded resin cages are used.
Tapered roller bearings combines the advantages of ball and straight roller bearings, can take either axial or thrust loads or any combination of two and they have the high-carrying capacity of straight roller bearings.