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| Parameter | SKFNA 2208.2RS40 × 80 × mm | INANA2208-2RSR40 × 80 × 23 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | INA |
| Designation | NA 2208.2RS | NA2208-2RSR |
| Product family | Support rollers (Yoke-type track rollers) | — |
| Detailed type | Support roller (yoke-type track roller), without flange rings, with integral sealing | Yoke type track roller |
| Series | — | NA2208 |
| Bore diameterd | 40 mm | 40 mm |
| Outside diameterD | 80 mm | 80 mm |
| WidthB | — | 23 mm |
| Basic dynamic load ratingC | 27.5 kN | 26 kN |
| Basic static load ratingC0 | 40.5 kN | 41.5 kN |
| Fatigue load limitPu | 5 kN | 5.4 kN |
| Limiting speednG | 1900 r/min | 850 r/min |
| Mass≈m | 0.595 kg | 0.486 kg |
| Internal clearance | CN | — |
| Sealing | Seal on both sides | — |
| Cage | With | — |
| Bearing material | Bearing steel | — |
| Lubricant | Grease | — |
| Dimensions | ||
| Functional outside diameter | 80.0 mm | — |
| Width, total | 23.0 mm | — |
| Width, outer ring | 22.7 mm | — |
| Engineering — Calculation data | ||
| Maximum dynamic radial loadF r | max. 35.5 kN | — |
| Maximum static radial loadF 0r | max. 51 kN | — |
| Engineering — Dimensions | ||
| Width outer ringC | 22.7 mm | — |
| Width inner ringB | 23 mm | — |
| Recess diameter outer ring shoulderD 1 | 57 mm | — |
| Raceway diameter inner ringF | 48 mm | — |
| Chamfer dimension outer ringr 1,2 | min. 1.1 mm | — |
| Chamfer dimension inner ringr 3,4 | min. 0.6 mm | — |
| Logistics | ||
| Product net weight | 0.595 kg | — |
| eClass code | 23-05-09-03 | — |
| UNSPSC code | 31171512 | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | — | 398766 |
| Base Type | — | NA2208 |
| Old Designation | — | ["NA 2208.2RS","NA 2208 PP","NA2208.2RS"] |
| 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_002 | — |
| Available from SKF | Yes | — |
| Remanufacturable | No | — |
| Product Identity | ||
| Construction | — | Yoke type track rollers NA22..-2RSR, single row needle roller bearings with particularly thick-walled outer ring, needle roller and cage assembly and an inner ring, without axial guidance of the outer ring, lip seal radial sealing action on both sides, inner ring can be mounted separately |
| Short Description | — | Yoke type track roller |
| Properties | ||
| Bearing part | Complete track roller | — |
| Rolling elements | Needle rollers | — |
| Number of rows | 1 | — |
| Outer ring profile | Crowned | — |
| Axial guidance of outer ring | Yes | — |
| Number of flanges, outer ring | 2 | — |
| Radial internal clearance | CN | — |
| Tolerance class | Other | — |
| Material, bearing | Bearing steel | — |
| Coating | Without | — |
| Sealing type | Contact | — |
| Relubrication feature | With | — |
| Technical Data | ||
| Bore Diameter (D) | — | 40 mm |
| Outside Diamater (D) | — | 80 mm |
| Width Inner Ring (B) | — | 23 mm |
| Basic Dynamic Load Rating, Radial (Cr W) | — | 26,000 N |
| Basic Static Load Rating, Radial (C0R W) | — | 41,500 N |
| Minimum Mounting Dimension (D1 Min) | — | 57 mm |
| Raceway Diameter Inner Ring (F) | — | 48 mm |
| Speed On Permanent Grease Lubrication (Nd G) | — | 850 1/min |
| Width, Outer Ring (C) | — | 22.7 mm |
| Minimum Chamfer Dimension (R1 Min) | — | 0.6 mm |
| Radius Of Outer Ring Outside Profile (R) | — | 500 mm |
| Fatigue Load Limit, Radial (Cur W) | — | 5,400 N |
| Minimum Chamfer Dimension (Rmin) | — | 1.1 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.