The Timken 30303 is a small size tapered roller bearings with ISO dimensions 17×47×15.25 mm. Bearings in the 17mm bore range are commonly used in car wheel hubs, light truck gearboxes, forklift axles, differentials. This is an open type, requires periodic lubrication, suitable for clean environments variant. Timken USA — inventor of tapered roller bearings, world leader in heavy-load bearings — 5 equivalent brands available under ISO designation 30303.
Timken 30303
Tapered Roller Bearings — 17×47×15.25 mm — ISO 30303
Technical Specifications
Full specifications for Timken 30303 per OEM catalog.
* Tolerances per ISO. Specifications per OEM catalog.
Cross-Reference — Equivalent Codes
Same ISO 30303 — interchangeable dimensions.
| Brand | Part Number |
|---|---|
| Timken | 30303 |
| fag | 30303 |
| nsk | 30303 |
| ntn | 30303 |
| skf | 30303 |
| koyo | 30303 |
| nachi | 30303 |
* C/C₀ may vary ±5% across manufacturers.
Compare 30303 Across Brands
Same interchangeable dimensions — different load ratings and pricing.
FAQ — Timken 30303
Quick answers to common questions.
Common Applications
Tapered Roller Bearings with 17mm bore diameter are commonly used in car wheel hubs, light truck gearboxes, forklift axles, differentials.
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