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 | LFR5301 Track Roller Bearing |
| Structure | Double Row Angular Contact Ball Bearing with U-Groove (Gothic Arch) Outer Ring |
| Inner Diameter (d) | 12 mm |
| Outer Diameter (D) | 42 mm |
| Width (C) | 19 mm |
| Groove Diameter (dw) | 10 mm – 20 mm (Varies by specific sub-model, e.g., LFR5301-10, LFR5301-20) |
| Roller / Ring Material | High Carbon Chrome Steel (GCr15) |
| Seal Type | NPP (Rubber Seal) / KDD (Metal Shield) |
| Dynamic Load Rating (Cw) | ~13,000 N |
| Static Load Rating (Cow) | ~7,700 N |
| Weight | ~125 g – 130 g |
| Key Features | U-Groove Design for Cylindrical Tracks, 60° Two-Point Contact, High Radial Load Capacity, Low Friction, Smooth & Quiet Operation |
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