The Koyo 6004ZZ is a small size deep groove ball bearings with ISO dimensions 20×42×12 mm. Bearings in the 20mm bore range are commonly used in electric motors 0.37-5.5kW, water pumps, industrial fans, light conveyors (0.37-5.5kW 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 6004.
Koyo 6004ZZ
Deep Groove Ball Bearings — 20×42×12 mm — ISO 6004
Technical Specifications
Full specifications for Koyo 6004ZZ per OEM catalog.
* Tolerances per ISO. Specifications per OEM catalog.
Cross-Reference — Equivalent Codes
Same ISO 6004 — interchangeable dimensions.
| Brand | Part Number |
|---|---|
| Koyo | 6004ZZ |
| fag | 6004-2Z |
| nsk | 6004ZZ |
| ntn | 6004ZZ |
| skf | 6004-2Z |
| zvl | 6004-2ZR |
| nachi | 6004ZZE |
| timken | 6004-2Z |
* C/C₀ may vary ±5% across manufacturers.
Compare 6004 Across Brands
Same interchangeable dimensions — different load ratings and pricing.
FAQ — Koyo 6004ZZ
Quick answers to common questions.
Common Applications
Deep Groove Ball Bearings with 20mm bore diameter are commonly used in electric motors 0.37-5.5kW, water pumps, industrial fans, light conveyors (0.37-5.5kW range).
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