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| Parameter | SKFRSTO 1722 × 40 × 15.8 mm | INARSTO1722 × 40 × 15.8 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | INA |
| Designation | RSTO 17 | RSTO17 |
| Product family | Support rollers (Yoke-type track rollers) | — |
| Detailed type | Support roller (yoke-type track roller), without flange rings and inner ring | Yoke type track roller |
| Bore diameterd | 22 mm | 22 mm |
| Outside diameterD | 40 mm | 40 mm |
| WidthB | 15.8 mm | 15.8 mm |
| Basic dynamic load ratingC | 14.2 kN | 14.2 kN |
| Basic static load ratingC0 | 17.6 kN | 18.2 kN |
| Fatigue load limitPu | 2.08 kN | 2.55 kN |
| Limiting speednG | 4500 r/min | — |
| Mass≈m | 0.088 kg | 0.09385 kg |
| Internal clearance | Not applicable | — |
| Sealing | Without | — |
| Cage | With | — |
| Bearing material | Bearing steel | — |
| Lubricant | Grease | — |
| Dimensions | ||
| Functional outside diameter | 40.0 mm | — |
| Width, total | 15.8 mm | — |
| Width, outer ring | 15.8 mm | — |
| Engineering — Calculation data | ||
| Maximum dynamic radial loadF r | max. 12 kN | — |
| Maximum static radial loadF 0r | max. 17.3 kN | — |
| Engineering — Dimensions | ||
| Diameter under rollersF w | 22 mm | — |
| Raceway diameter outer ringE | 29 mm | — |
| Chamfer dimension outer ringr 1,2 | min. 0.3 mm | — |
| Logistics | ||
| Product net weight | 0.088 kg | — |
| eClass code | 23-05-09-03 | — |
| UNSPSC code | 31171512 | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | — | 398571 |
| Base Type | — | RSTO17 |
| Old Designation | — | ["RSTO 17"] |
| Gpsd Group | — | I03 |
| Product Line Id | — | 13 |
| X Life Marking | — | n.r. |
| Product identity | ||
| Official product category | Support rollers (Yoke-type track rollers) | — |
| Official taxonomy path | /products/rolling-bearings/track-rollers/support-rollers | — |
| Structure group ID | BNT_001 | — |
| Available from SKF | Yes | — |
| Remanufacturable | No | — |
| Product Identity | ||
| Construction | — | Yoke type track rollers RSTO.., single row needle roller bearings with particularly thick-walled outer ring, needle roller and cage assembly, without inner ring, without axial guidance of the outer ring, open, inner ring, outer ring and needle roller and cage assembly can be mounted separately |
| Short Description | — | Yoke type track roller |
| Properties | ||
| Bearing part | Track roller without inner ring | — |
| Rolling elements | Needle rollers | — |
| Number of rows | 1 | — |
| Outer ring profile | Crowned | — |
| Axial guidance of outer ring | No | — |
| Number of flanges, outer ring | 0 | — |
| Radial internal clearance | Not applicable | — |
| Tolerance class | Other | — |
| Material, bearing | Bearing steel | — |
| Coating | Without | — |
| Relubrication feature | Without | — |
| Technical Data | ||
| Under Roller Diameter (Fw) | — | 22 mm |
| Outside Diamater (D) | — | 40 mm |
| Width, Outer Ring (C) | — | 15.8 mm |
| Basic Dynamic Load Rating, Radial (Cr W) | — | 14,200 N |
| Basic Static Load Rating, Radial (C0R W) | — | 18,200 N |
| Speed On Permanent Grease Lubrication (Nd G) | — | 2,800 1/min |
| Radius Of Outer Ring Outside Profile (R) | — | 500 mm |
| Fatigue Load Limit, Radial (Cur W) | — | 2,550 N |
| Minimum Chamfer Dimension (Rmin) | — | 0.3 mm |
| Raceway Diameter Outer Ring (E) | — | 29 mm |
Independent reference comparison based on the manufacturer data currently loaded. Always verify current limits, tolerances and suffix definitions with the official source before engineering selection.