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 | W4X V-Groove Track Roller Bearing |
| Common Designations | W4X, RM4ZZ (Metal Shield variant) |
| Structure | Double Row Angular Contact Ball Bearing with W-Groove Outer Ring |
| Inner Diameter (d) | 15 mm |
| Outer Diameter (D) | 59.94 mm |
| Width (B) | 19.05 mm |
| Groove Profile | “W” profile formed by two 90° V-grooves |
| Roller / Ring Material | Bearing Steel (GCr15), Heat Treated & Precision Ground |
| Cage Material | Nylon 6,6 |
| Seal Type | Rubber Seal (Suffix “X” / 2RS) |
| Weight | ~0.28 kg |
| Key Features | Rubber Sealed for Better Contamination Protection, High Load Capacity, Low Friction, Adaptable to V-Guide or Cylindrical Rails, Simple Installation with Eccentric/Concentric Shafts |
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