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 | W0 V-Groove Track Roller Bearing |
| Common Designations | W0-2Z, W0ZZ, RM0-2Z, RM0ZZ |
| Structure | V-Groove Guide Bearing |
| Inner Diameter (d) | 4 mm |
| Outer Diameter (D) | 14.84 mm |
| Width (B) | 6.35 mm |
| Groove Profile | “W” profile formed by two “V” grooves with a 90° angle |
| Roller / Ring Material | Chrome Steel GCr15 |
| Seal Type | ZZ (Metal Shield) or 2RS (Rubber Seal) |
| Precision Rating | P0 |
| Weight | ~0.005 kg (5 g) |
| Key Features | 90° V-Groove for matching rails, compact size, widely used in linear motion systems |
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