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| Parameter | SKFPWTR 3072.2RS30 × 72 × mm | INAPWTR3072-2RS-XL30 × 72 × 29 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | INA |
| Designation | PWTR 3072.2RS | PWTR3072-2RS-XL |
| Product family | Support rollers (Yoke-type track rollers) | — |
| Detailed type | Support roller (yoke-type track roller) with flange rings, integral sealing and relubrication feature | Yoke type track roller |
| Series | — | PWTR3072 |
| Bore diameterd | 30 mm | 30 mm |
| Outside diameterD | 72 mm | 72 mm |
| WidthB | — | 29 mm |
| Basic dynamic load ratingC | 39.6 kN | 41 kN |
| Basic static load ratingC0 | 45 kN | 56 kN |
| Fatigue load limitPu | 5.6 kN | 7.4 kN |
| Limiting speednG | 2000 r/min | 2200 r/min |
| Mass≈m | 0.697 kg | 0.68 kg |
| Internal clearance | Between C2 and CN | — |
| Sealing | Seal on both sides | — |
| Cage | Without | — |
| Bearing material | Bearing steel | — |
| Lubricant | Grease | — |
| Dimensions | ||
| Functional outside diameter | 72.0 mm | — |
| Width, total | 29.0 mm | — |
| Width, outer ring | 28.0 mm | — |
| Engineering — Calculation data | ||
| Maximum dynamic radial loadsF r | max. 47.5 kN | — |
| Maximum static radial loadsF 0r | max. 68 kN | — |
| Engineering — Dimensions | ||
| Width outer ringC | 28 mm | — |
| Width inner ringB | 29 mm | — |
| Outside diameter flange ringd 1 | 38 mm | — |
| Chamfer dimension outer ringr 1,2 | min. 1 mm | — |
| Chamfer dimension flange ring borer 3,4 | min. 0.5 mm | — |
| Logistics | ||
| Product net weight | 0.697 kg | — |
| eClass code | 23-05-09-03 | — |
| UNSPSC code | 31171512 | — |
| Manufacturer Identity | ||
| Schaeffler Product Code | — | 398934 |
| Base Type | — | PWTR3072 |
| Old Designation | — | ["PWTR 3072.2RS","PWTR3072-2RS"] |
| Gpsd Group | — | I03 |
| Product Line Id | — | 13 |
| X Life Marking | — | XL |
| 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 PWTR..-2RS-XL, double row cylindrical roller bearings with particularly thick-walled outer ring, with a central rib, full complement cylindrical roller set and an inner ring, the outer ring is guided axially by the central rib and rolling elements, protected lip seal on both sides, X-life design |
| Short Description | — | Yoke type track roller |
| Properties | ||
| Bearing part | Complete track roller | — |
| Rolling elements | Cylindrical rollers | — |
| Number of rows | 2 | — |
| Outer ring profile | Crowned | — |
| Axial guidance of outer ring | Yes | — |
| Number of flanges, outer ring | 3 | — |
| Radial internal clearance | Between C2 and CN | — |
| Tolerance class | Other | — |
| Material, bearing | Bearing steel | — |
| Coating | Without | — |
| Sealing type | Contact | — |
| Relubrication feature | With | — |
| Technical Data | ||
| Bore Diameter (D) | — | 30 mm |
| Outside Diamater (D) | — | 72 mm |
| Width Inner Ring (B) | — | 29 mm |
| Basic Dynamic Load Rating, Radial (Cr W) | — | 41,000 N |
| Basic Static Load Rating, Radial (C0R W) | — | 56,000 N |
| Speed On Permanent Grease Lubrication (Nd G) | — | 2,200 1/min |
| Width, Outer Ring (C) | — | 28 mm |
| Minimum Chamfer Dimension (R1 Min) | — | 0.5 mm |
| Permissible Static Load, Radial (F0R Per) | — | 56,000 N |
| Permissible Dynamic Load Outer Ring, Radial (Fr Per) | — | 53,000 N |
| Stop Diameter Of Thrust Washer (D2) | — | 38 mm |
| Fatigue Load Limit, Radial (Cur W) | — | 7,400 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.