Address
304 North Cardinal
St. Dorchester Center, MA 02124
Work Hours
Monday to Friday: 7AM - 7PM
Weekend: 10AM - 5PM
Address
304 North Cardinal
St. Dorchester Center, MA 02124
Work Hours
Monday to Friday: 7AM - 7PM
Weekend: 10AM - 5PM

| Parameter | Specification |
|---|---|
| Bearing Model | 7200 Angular Contact Ball Hybrid Ceramic Bearing |
| Base Model | 7200 Angular Contact Ball Bearing |
| Structure | Single Row Angular Contact Ball Bearing |
| Inner Diameter (d) | 10 mm |
| Outer Diameter (D) | 30 mm |
| Width (B) | 9 mm |
| Ball Material | Silicon Nitride (Si₃N₄) Ceramic |
| Ring Material | High-Quality Bearing Steel (AISI 52100 / GCr15) |
| Cage Material | Phenolic Resin (Bakelite), PEEK, or Brass |
| Contact Angle | 15° (C) / 25° (AC) / 30° (A) / 40° (B) |
| Seal Type | Open (Standard for High-Speed Spindle) |
| Precision Rating | P4, P2 (ABEC-7, ABEC-9) |
| Weight | ~0.030 – 0.035 kg |
| Key Features | High-Speed Capability, Low Friction & Heat Generation, Electrical Insulation, Extended Service Life, Lightweight Ceramic Balls |
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