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- Miniature & Instrument Series, Stainless Steel - Inch and Metric
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- Inch Series
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- SFRW188-2RS
- Also available in 52100 Chrome Steel
- ABEC Grades 1, 3, 5, 7, and 9 are available.
- Two rubber seals = (2RS), also available with a single rubber seal = (RS).
- Also available with two PTFE seals = (TT), or with a single PTFE seal = (T)
- Also available with two light contact rubber seals = (2RU), or with a single light contact rubber seal = (RU)
Product Details
| Specifications | ||
| Bearing Type | Flanged Sealed with Extended Inner | |
| Bore Dia (d) | 0.2500 | in |
| Outer Dia (D) | 0.5000 | in |
| Radius (min) (rs) | 0.006 | in |
| Max Speed (Grease) | 40,000 | rpm |
| Max Speed (Oil) | 50,000 | rpm |
| Ball Qty | 8 | |
| Ball Dia (Dw) | 0.0787 | in |
| Outer Width (Bo) | 0.1875 | in |
| Inner Width (Bi) | 0.2187 | in |
| Flange Dia (Df) | 0.5470 | in |
| Flange Width (Bf) | 0.045 | in |
| Dynamic Load Rating (Cr) | 206 | lbs |
| Static Load Rating (Cor) | 80 | lbs |
| Max. Shaft Shoulder Dia. Inner (Ui) | 0.3 | in |
| Min. Housing Shoulder Dia., Outer (Uo) | 0.457 | in |
| Weight (g) | 2.54 | grams |
| Precision | A1 | |
| Standard Clearance | K25 | |
| Material | Martensitic Stainless Steel | |
All information in this catalog has been thoroughly checked for accuracy. However, the catalog data should not be relied upon entirely for design and development purposes. AST Bearings assumes no liability for possible errors or omissions. All dimensions and specifications are subject to change without notice. Contact AST Bearings for the most current catalog data as it applies to you and for your application.