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 | SG20 Track Roller Bearing |
| Structure | Double Row Angular Contact Ball Bearing with “Gothic Arch” Groove Outer Ring |
| Inner Diameter (d) | 8 mm |
| Outer Diameter (D) | 27.6 mm |
| Width (C) | ~11 mm |
| Groove Type | Gothic Arch (U-Groove) |
| Roller / Ring Material | High-Quality Bearing Steel (GCr15) or Stainless Steel (SUS440C) |
| Seal Type | ZZ (Metal Shield) / 2RS (Rubber Seal) / OPEN |
| Precision Rating | P0, P6, P5, P4, P2 |
| Key Features | Compact “Recessed” Design, 60° Two-Point Contact, Low Noise & Vibration, Low Friction Torque, Long Service Life, Easy Installation with Eccentric/Concentric Shafts |
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