The Koyo NU310 is a standard size cylindrical roller bearings with ISO dimensions 50×110×27 mm. Bearings in the 50mm bore range are commonly used in lathe spindles, gearboxes, printing rollers, cold rolling mills. This is an open type, requires periodic lubrication, suitable for clean environments variant. Koyo (JTEKT) Japan — OEM automotive bearings for Toyota, Honda, Japanese quality competitive pricing — 6 equivalent brands available under ISO designation NU310.
Koyo NU310
Cylindrical Roller Bearings — 50×110×27 mm — ISO NU310
Technical Specifications
Full specifications for Koyo NU310 per OEM catalog.
* Tolerances per ISO. Specifications per OEM catalog.
Cross-Reference — Equivalent Codes
Same ISO NU310 — interchangeable dimensions.
| Brand | Part Number |
|---|---|
| Koyo | NU310 |
| fag | NU310 |
| nsk | NU310 |
| ntn | NU310 |
| skf | NU310 |
| zvl | NU310 |
| nachi | NU310 |
| timken | NU310 |
* C/C₀ may vary ±5% across manufacturers.
Compare NU310 Across Brands
Same interchangeable dimensions — different load ratings and pricing.
FAQ — Koyo NU310
Quick answers to common questions.
Common Applications
Cylindrical Roller Bearings with 50mm bore diameter are commonly used in lathe spindles, gearboxes, printing rollers, cold rolling mills.
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