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7203 Ceramic angular contact bearing
| Parameter | Specification |
|---|---|
| Bearing Model | 7203 Ceramic Angular Contact Bearing |
| Standard | ISO / JIS (Metric Series) |
| Structure | Single Row Angular Contact Ball Bearing |
| Inner Diameter (d) | 17 mm |
| Outer Diameter (D) | 40 mm |
| Width (B) | 12 mm |
| Ball Material | Si₃N₄ (Silicon Nitride) |
| Ring Material | Chrome Steel (AISI 52100) or Stainless Steel (Hybrid Ceramic) |
| Cage Material | Phenolic Resin (Bakelite), PEEK, or PTFE |
| Contact Angle | 15° (C), 25° (AC/A5), 30° (A), or 40° (B) |
| Dynamic Load Rating (Cr) | ~10,400 – 17,700 N |
| Static Load Rating (Cor) | ~5,600 – 11,800 N |
| Limiting Speed (Grease) | ~23,000 – 35,100 r/min |
| Limiting Speed (Oil) | ~30,000 – 52,700 r/min |
| Seal Type | Open, Non-contact Rubber Seal, or Contact Seal |
| Key Features | High Speed, High Precision, High Rigidity, Low Friction & Heat Generation |
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