The FAG 61801-2RSR 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 sealed (2RS), maintenance-free lubrication, ideal for harsh 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 61801-2RSR
Deep Groove Ball Bearings — 12×21×5 mm — ISO 61801
Technical Specifications
Full specifications for FAG 61801-2RSR per OEM catalog.
* Tolerances per ISO. Specifications per OEM catalog.
Cross-Reference — Equivalent Codes
Same ISO 61801 — interchangeable dimensions.
| Brand | Part Number |
|---|---|
| FAG | 61801-2RSR |
| nsk | 61801DDU |
| ntn | 61801LLU |
| skf | 61801-2RS1 |
| zvl | 61801-2RSR |
| koyo | 618012RS |
| nachi | 618012NSLE |
| timken | 61801-2RS |
* C/C₀ may vary ±5% across manufacturers.
Compare 61801 Across Brands
Same interchangeable dimensions — different load ratings and pricing.
FAQ — FAG 61801-2RSR
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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