The NACHI 6068 is a extra-large size deep groove ball bearings with ISO dimensions 340×520×82 mm. Bearings in the 340mm bore range are commonly used in HV motors, turbines, generators, boiler cooling fans (over 200kW range). This is an open type, requires periodic lubrication, suitable for clean environments variant. NACHI Japan — bearings and cutting tools, strong in machine tool applications — 6 equivalent brands available under ISO designation 6068.
NACHI 6068
Deep Groove Ball Bearings — 340×520×82 mm — ISO 6068
Technical Specifications
Full specifications for NACHI 6068 per OEM catalog.
* Tolerances per ISO. Specifications per OEM catalog.
Cross-Reference — Equivalent Codes
Same ISO 6068 — interchangeable dimensions.
| Brand | Part Number |
|---|---|
| NACHI | 6068 |
| fag | 6068 |
| nsk | 6068 |
| ntn | 6068 |
| skf | 6068 |
| zvl | 6068 |
| koyo | 6068 |
| timken | 6068 |
* C/C₀ may vary ±5% across manufacturers.
Compare 6068 Across Brands
Same interchangeable dimensions — different load ratings and pricing.
FAQ — NACHI 6068
Quick answers to common questions.
Common Applications
Deep Groove Ball Bearings with 340mm bore diameter are commonly used in HV motors, turbines, generators, boiler cooling fans (over 200kW range).
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