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W1 Groove Bearing
| Parameter | Specification |
|---|---|
| Bearing Model | W1 V-Groove Track Roller Bearing |
| Common Designations | W1-2Z, W1ZZ, RM1-2Z, RM1ZZ |
| Structure | V-Groove Guide Bearing |
| Inner Diameter (d) | 5 mm |
| Outer Diameter (D) | 19.05 mm |
| Width (B) | 7.14 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 | ~0.008 kg (8 g) |
| Key Features | 90° V-Groove for matching rails, compact size, widely used in linear motion systems |
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