61902-2RS Deep Groove Ball Bearing (15x28x7mm)
How to read this designation →
Bearing dimensions and basic technical information.
Schematic only — for the actual construction, refer to each manufacturer's information.
Base model: 61902
Related designations: SKF 61902-2RS1 · NSK 6902DDU · Schaeffler (FAG) 61902-2RSR · NTN 6902LLU · Timken 61902-2RS
Suffix Information
Manufacturer Ratings
Load-rating symbols are printed as each manufacturer writes them in its own catalogue, so the same quantity can carry a different symbol from brand to brand.
| Brand | Dynamic Load Rating | Static Load Rating | Fatigue Load Limit |
|---|---|---|---|
| SKF 61902-2RS1 | 4.36 kN | 2.24 kN | 0.095 kN |
| NSK 6902DDU | 4.75 kN | 2.26 kN | — |
| Schaeffler (FAG) 61902-2RSR | 4.33 kN | 2.25 kN | 0.132 kN |
| NTN 6902LLU | 4.05 kN | 2 kN | 0.157 kN |
| Timken 61902-2RS | 4.3 kN | 2.3 kN | — |
Speed Ratings
Speed limits depend on sealing and lubrication, and definitions differ by manufacturer. The figures below are for this sealed version (61902-2RS). Contact seals are greased for life and run slower than the open bearing. Always confirm the exact variant in the manufacturer's table.
| Brand | Grease sealed (2RS) | Oil sealed (2RS) | Reference | Limiting |
|---|---|---|---|---|
| SKF 61902-2RS1 | — | — | — | 16,000 r/min |
| NSK 6902DDU | 17,000 r/min | — | — | — |
| Schaeffler (FAG) 61902-2RSR | — | — | — | 14,200 r/min |
| NTN 6902LLU | 16,000 r/min | — | — | — |
| Timken 61902-2RS | — | — | — | — |
Timken does not publish a limiting speed for this sealed variant.
References
- SKF — SKF Group, Rolling Bearings, PUB BU/P1 17000/1 EN, Oct. 2018.
- NSK — NSK Ltd., Rolling Bearings for Industrial Machinery, CAT. No. E1103, Tokyo, Japan, Jan. 2025.
- Schaeffler (FAG) — Schaeffler Technologies AG & Co. KG, Rolling Bearings, HR 1, Herzogenaurach, Germany, Feb. 2025.
- NTN — NTN Corporation, Ball and Roller Bearings, CAT. No. 2203-3E, Osaka, Japan, Sep. 2000.
- Timken — The Timken Company, Deep Groove Ball Bearings, Catalog 10857, North Canton, OH, USA.
Related Guides
Disclaimer: Data on this page is compiled from publicly available online sources for reference only, and not every model appears in a manufacturer's published catalog. Values may differ between sources and editions — always verify against the manufacturer's current documentation before design or purchase.Full disclaimer →