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| Parameter | SKFNATR 1717 × 40 × mm | INANATR1717 × 40 × 21 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | INA |
| Designation | NATR 17 | NATR17 |
| Product family | Support rollers (Yoke-type track rollers) | — |
| Detailed type | Support rollers (yoke-type track rollers) with flange rings and relubrication feature | Yoke type track roller |
| Bore diameterd | 17 mm | 17 mm |
| Outside diameterD | 40 mm | 40 mm |
| WidthB | — | 21 mm |
| Basic dynamic load ratingC | 12.5 kN | 10.9 kN |
| Basic static load ratingC0 | 15 kN | 16 kN |
| Fatigue load limitPu | 1.76 kN | 2.13 kN |
| Limiting speednG | 3200 r/min | 2900 r/min |
| Mass≈m | 0.144 kg | 0.148 kg |
| Internal clearance | Between C2 and CN | — |
| Sealing | Seal on both sides | — |
| Cage | With | — |
| Bearing material | Bearing steel | — |
| Lubricant | Grease | — |
| Dimensions | ||
| Functional outside diameter | 40.0 mm | — |
| Width, total | 21.0 mm | — |
| Width, outer ring | 20.0 mm | — |
| Engineering — Calculation data | ||
| Maximum dynamic radial loadsF r | max. 10.2 kN | — |
| Maximum static radial loadsF 0r | max. 14.6 kN | — |
| Engineering — Dimensions | ||
| Width outer ringC | 20 mm | — |
| Width inner ringB | 21 mm | — |
| Outside diameter flange ringd 1 | 32.2 mm | — |
| Logistics | ||
| Product net weight | 0.144 kg | — |
| eClass code | 23-05-09-03 | — |
| UNSPSC code | 31171512 | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | — | 398802 |
| Base Type | — | NATR17 |
| Old Designation | — | ["NATR 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_003 | — |
| Available from SKF | Yes | — |
| Remanufacturable | No | — |
| Product Identity | ||
| Construction | — | Yoke type track rollers NATR.., single row needle roller bearings with particularly thick-walled outer ring, needle roller and cage assembly and an inner ring, axial guidance of outer ring is provided by the contact washers, gap seals on both sides |
| 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 | Between C2 and CN | — |
| Tolerance class | Other | — |
| Material, bearing | Bearing steel | — |
| Coating | Without | — |
| Sealing type | Gap-type | — |
| Relubrication feature | With | — |
| Technical Data | ||
| Bore Diameter (D) | — | 17 mm |
| Outside Diamater (D) | — | 40 mm |
| Width Inner Ring (B) | — | 21 mm |
| Basic Dynamic Load Rating, Radial (Cr W) | — | 10,900 N |
| Basic Static Load Rating, Radial (C0R W) | — | 16,000 N |
| Speed On Permanent Grease Lubrication (Nd G) | — | 2,900 1/min |
| Width, Outer Ring (C) | — | 20 mm |
| Permissible Static Load, Radial (F0R Per) | — | 16,000 N |
| Permissible Dynamic Load Outer Ring, Radial (Fr Per) | — | 16,000 N |
| Outside Diameter Of Thrust Washer (D2) | — | 31.5 mm |
| Radius Of Outer Ring Outside Profile (R) | — | 500 mm |
| Fatigue Load Limit, Radial (Cur W) | — | 2,130 N |
| Minimum Chamfer Dimension (Rmin) | — | 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.