The Koyo 6021ZZ is a large size deep groove ball bearings with ISO dimensions 105×160×26 mm. Bearings in the 105mm bore range are commonly used in large motors 37-200kW, ID fans, medium crushers, rolling shafts (37-200kW 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 6021.
Koyo 6021ZZ
Deep Groove Ball Bearings — 105×160×26 mm — ISO 6021
Technical Specifications
Full specifications for Koyo 6021ZZ per OEM catalog.
* Tolerances per ISO. Specifications per OEM catalog.
Cross-Reference — Equivalent Codes
Same ISO 6021 — interchangeable dimensions.
| Brand | Part Number |
|---|---|
| Koyo | 6021ZZ |
| fag | 6021-2Z |
| nsk | 6021ZZ |
| ntn | 6021ZZ |
| skf | 6021-2Z |
| zvl | 6021-2ZR |
| nachi | 6021ZZE |
| timken | 6021-2Z |
* C/C₀ may vary ±5% across manufacturers.
Compare 6021 Across Brands
Same interchangeable dimensions — different load ratings and pricing.
FAQ — Koyo 6021ZZ
Quick answers to common questions.
Common Applications
Deep Groove Ball Bearings with 105mm bore diameter are commonly used in large motors 37-200kW, ID fans, medium crushers, rolling shafts (37-200kW range).
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