The Koyo 6038ZZ is a large size deep groove ball bearings with ISO dimensions 190×290×46 mm. Bearings in the 190mm bore range are commonly used in HV motors, turbines, generators, boiler cooling fans (over 200kW range). This is an double shielded (ZZ), effective dust prevention while allowing grease replenishment variant. Koyo (JTEKT) Japan — OEM automotive bearings for Toyota, Honda, Japanese quality competitive pricing — 6 equivalent brands available under ISO designation 6038.
Koyo 6038ZZ
Deep Groove Ball Bearings — 190×290×46 mm — ISO 6038
Technical Specifications
Full specifications for Koyo 6038ZZ per OEM catalog.
* Tolerances per ISO. Specifications per OEM catalog.
Cross-Reference — Equivalent Codes
Same ISO 6038 — interchangeable dimensions.
| Brand | Part Number |
|---|---|
| Koyo | 6038ZZ |
| fag | 6038-2Z |
| nsk | 6038ZZ |
| ntn | 6038ZZ |
| skf | 6038-2Z |
| zvl | 6038-2ZR |
| nachi | 6038ZZE |
| timken | 6038-2Z |
* C/C₀ may vary ±5% across manufacturers.
Compare 6038 Across Brands
Same interchangeable dimensions — different load ratings and pricing.
FAQ — Koyo 6038ZZ
Quick answers to common questions.
Common Applications
Deep Groove Ball Bearings with 190mm bore diameter are commonly used in HV motors, turbines, generators, boiler cooling fans (over 200kW range).
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