The NSK 6011ZZ is a standard size deep groove ball bearings with ISO dimensions 55×90×18 mm. Bearings in the 55mm bore range are commonly used in motors 5.5-37kW, centrifugal pumps, air compressors, industrial gearboxes (5.5-37kW range). This is an double shielded (ZZ), effective dust prevention while allowing grease replenishment variant. NSK Japan — precision bearing specialist, CNC spindles and high-speed bearings — 6 equivalent brands available under ISO designation 6011.
NSK 6011ZZ
Deep Groove Ball Bearings — 55×90×18 mm — ISO 6011
Technical Specifications
Full specifications for NSK 6011ZZ per OEM catalog.
* Tolerances per ISO. Specifications per OEM catalog.
Cross-Reference — Equivalent Codes
Same ISO 6011 — interchangeable dimensions.
| Brand | Part Number |
|---|---|
| NSK | 6011ZZ |
| fag | 6011-2Z |
| ntn | 6011ZZ |
| skf | 6011-2Z |
| zvl | 6011-2ZR |
| koyo | 6011ZZ |
| nachi | 6011ZZE |
| timken | 6011-2Z |
* C/C₀ may vary ±5% across manufacturers.
Compare 6011 Across Brands
Same interchangeable dimensions — different load ratings and pricing.
FAQ — NSK 6011ZZ
Quick answers to common questions.
Common Applications
Deep Groove Ball Bearings with 55mm bore diameter are commonly used in motors 5.5-37kW, centrifugal pumps, air compressors, industrial gearboxes (5.5-37kW range).
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