The FAG 61801 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 open type, requires periodic lubrication, suitable for clean environments variant. FAG/Schaeffler Germany — German precision engineering, especially strong in large and heavy-load bearings — 6 equivalent brands available under ISO designation 61801.
FAG 61801
Deep Groove Ball Bearings — 12×21×5 mm — ISO 61801
Technical Specifications
Full specifications for FAG 61801 per OEM catalog.
* Tolerances per ISO. Specifications per OEM catalog.
Cross-Reference — Equivalent Codes
Same ISO 61801 — interchangeable dimensions.
| Brand | Part Number |
|---|---|
| FAG | 61801 |
| nsk | 61801 |
| ntn | 61801 |
| skf | 61801 |
| zvl | 61801 |
| koyo | 61801 |
| nachi | 61801 |
| timken | 61801 |
* C/C₀ may vary ±5% across manufacturers.
Compare 61801 Across Brands
Same interchangeable dimensions — different load ratings and pricing.
FAQ — FAG 61801
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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