Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | PWTR3072 | |
| Bore diameter | d | 30 mm |
| Outside diameter | D | 72 mm |
| Width | B | 29 mm |
| Basic dynamic load rating | C | 41 kN |
| Basic static load rating | C0 | 56 kN |
| Fatigue load limit | Pu | 7.4 kN |
| Limiting speed | nG | 2200 r/min |
| Mass | ≈m | 0.68 kg |
Manufacturer Identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 398902 | |
| Brand | INA | |
| Base Type | PWTR3072 | |
| Old Designation | ["PWTR3072-2RS-RR"] | |
| X Life Marking | XL |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| 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 |
Technical Data13 parameters
| Parameter | Symbol | Value |
|---|---|---|
| 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 |
