The NSK 6030DDU is a large size deep groove ball bearings with ISO dimensions 150×225×35 mm. Bearings in the 150mm 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 6030.
NSK 6030DDU
Deep Groove Ball Bearings — 150×225×35 mm — ISO 6030
Technical Specifications
Full specifications for NSK 6030DDU per OEM catalog.
* Tolerances per ISO. Specifications per OEM catalog.
Cross-Reference — Equivalent Codes
Same ISO 6030 — interchangeable dimensions.
| Brand | Part Number |
|---|---|
| NSK | 6030DDU |
| fag | 6030-2RSR |
| ntn | 6030LLU |
| skf | 6030-2RS1 |
| zvl | 6030-2RSR |
| koyo | 60302RS |
| nachi | 60302NSLE |
| timken | 6030-2RS |
* C/C₀ may vary ±5% across manufacturers.
Compare 6030 Across Brands
Same interchangeable dimensions — different load ratings and pricing.
FAQ — NSK 6030DDU
Quick answers to common questions.
Common Applications
Deep Groove Ball Bearings with 150mm bore diameter are commonly used in HV motors, turbines, generators, boiler cooling fans (over 200kW range).
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