The NSK 6052DDU is a extra-large size deep groove ball bearings with ISO dimensions 260×400×65 mm. Bearings in the 260mm bore range are commonly used in HV motors, turbines, generators, boiler cooling fans (over 200kW range). This is an double sealed (2RS), maintenance-free lubrication, ideal for harsh environments variant. NSK Japan — precision bearing specialist, CNC spindles and high-speed bearings — 6 equivalent brands available under ISO designation 6052.
NSK 6052DDU
Deep Groove Ball Bearings — 260×400×65 mm — ISO 6052
Technical Specifications
Full specifications for NSK 6052DDU per OEM catalog.
* Tolerances per ISO. Specifications per OEM catalog.
Cross-Reference — Equivalent Codes
Same ISO 6052 — interchangeable dimensions.
| Brand | Part Number |
|---|---|
| NSK | 6052DDU |
| fag | 6052-2RSR |
| ntn | 6052LLU |
| skf | 6052-2RS1 |
| zvl | 6052-2RSR |
| koyo | 60522RS |
| nachi | 60522NSLE |
| timken | 6052-2RS |
* C/C₀ may vary ±5% across manufacturers.
Compare 6052 Across Brands
Same interchangeable dimensions — different load ratings and pricing.
FAQ — NSK 6052DDU
Quick answers to common questions.
Common Applications
Deep Groove Ball Bearings with 260mm bore diameter are commonly used in HV motors, turbines, generators, boiler cooling fans (over 200kW range).
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