There are several kinds of material of 7321 Ceramic Angular Contact Bearings. Hybrid 7321 Ceramic Angular Contact Bearings with steel rings and ceramic balls.
Full 7321 Ceramic Angular Contact Bearings bearings can be made in silicon nitride, zirconia or silicon carbide, three kinds in total. You can find those ceramic materials' characteristic at ceramic materials and their properties.
| Bore Dia (d) | 105 mm |
| Outer Dia (D) | 225 mm |
| Width (B) | 49 mm |
| Bearing Material | Silicon Nitride, Zirconia, Silicon Carbide and Steel are available |
| Cage Material | PEEK, PEFT, Nylon, Stainless Steel, Full Complement are available |
| Lubrication | Grease, Oil, Dry are available |
| Closures | PTFE Seals, Rubber Seals, Metal Shielded and Open type are available |
| Temp. Range | -800 Degrees to +2200 Degrees F |
| Clearance | CO, C2, C3, C4 are available. |
| ABEC Tolerance | ABEC Grades 1, 3, 5, 7, and 9 are available. |
| Dynamic Load Rating (Cr) (Newtons) | 154000 |
| Static Load Rating (Cor) (Newtons) | 147000 |
| Max Speed (X1000 RPM) | 6.75 |
| Weight (g) | 5663 |
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