The NACHI 61801ZZE is a small size deep groove ball bearings with ISO dimensions 12×21×5 mm. Bearings in the 12mm bore range are commonly used in small motors, computer fans, printers, medical devices (under 0.5kW range). This is an double shielded (ZZ), effective dust prevention while allowing grease replenishment variant. NACHI Japan — bearings and cutting tools, strong in machine tool applications — 6 equivalent brands available under ISO designation 61801.
NACHI 61801ZZE
Deep Groove Ball Bearings — 12×21×5 mm — ISO 61801
Technical Specifications
Full specifications for NACHI 61801ZZE per OEM catalog.
* Tolerances per ISO. Specifications per OEM catalog.
Cross-Reference — Equivalent Codes
Same ISO 61801 — interchangeable dimensions.
| Brand | Part Number |
|---|---|
| NACHI | 61801ZZE |
| fag | 61801-2Z |
| nsk | 61801ZZ |
| ntn | 61801ZZ |
| skf | 61801-2Z |
| zvl | 61801-2ZR |
| koyo | 61801ZZ |
| timken | 61801-2Z |
* C/C₀ may vary ±5% across manufacturers.
Compare 61801 Across Brands
Same interchangeable dimensions — different load ratings and pricing.
FAQ — NACHI 61801ZZE
Quick answers to common questions.
Common Applications
Deep Groove Ball Bearings with 12mm bore diameter are commonly used in small motors, computer fans, printers, medical devices (under 0.5kW range).
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