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 | NATR25 | |
| Bore diameter | d | 25 mm |
| Outside diameter | D | 52 mm |
| Width | B | 25 mm |
| Basic dynamic load rating | C | 15.2 kN |
| Basic static load rating | C0 | 27 kN |
| Fatigue load limit | Pu | 3.6 kN |
| Limiting speed | nG | 1800 r/min |
| Mass | ≈m | 0.267 kg |
Manufacturer Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 398826 | |
| Brand | INA | |
| Base Type | NATR25 | |
| X Life Marking | n.r. |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Yoke type track rollers NATR..-PP-A, 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 plastic axial plain washers and contact washers, three-stage sealing by plastic axial plain washer on both sides | |
| Short Description | Yoke type track roller |
Technical Data12 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 25 mm | |
| Outside Diamater (D) | 52 mm | |
| Width Inner Ring (B) | 25 mm | |
| Basic Dynamic Load Rating, Radial (Cr W) | 15,200 N | |
| Basic Static Load Rating, Radial (C0R W) | 27,000 N | |
| Speed On Permanent Grease Lubrication (Nd G) | 1,800 1/min | |
| Width, Outer Ring (C) | 24 mm | |
| Permissible Static Load, Radial (F0R Per) | 27,000 N | |
| Permissible Dynamic Load Outer Ring, Radial (Fr Per) | 27,000 N | |
| Outside Diameter Of Thrust Washer (D2) | 41.5 mm | |
| Fatigue Load Limit, Radial (Cur W) | 3,600 N | |
| Minimum Chamfer Dimension (Rmin) | 1 mm |
