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 | NATR50 | |
| Bore diameter | d | 50 mm |
| Outside diameter | D | 90 mm |
| Width | B | 32 mm |
| Basic dynamic load rating | C | 31 kN |
| Basic static load rating | C0 | 60 kN |
| Fatigue load limit | Pu | 8.5 kN |
| Limiting speed | nG | 650 r/min |
| Mass | ≈m | 0.924 kg |
Manufacturer Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 398834 | |
| Brand | INA | |
| Base Type | NATR50 | |
| 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) | 50 mm | |
| Outside Diamater (D) | 90 mm | |
| Width Inner Ring (B) | 32 mm | |
| Basic Dynamic Load Rating, Radial (Cr W) | 31,000 N | |
| Basic Static Load Rating, Radial (C0R W) | 60,000 N | |
| Speed On Permanent Grease Lubrication (Nd G) | 650 1/min | |
| Width, Outer Ring (C) | 30 mm | |
| Permissible Static Load, Radial (F0R Per) | 60,000 N | |
| Permissible Dynamic Load Outer Ring, Radial (Fr Per) | 60,000 N | |
| Outside Diameter Of Thrust Washer (D2) | 76 mm | |
| Fatigue Load Limit, Radial (Cur W) | 8,500 N | |
| Minimum Chamfer Dimension (Rmin) | 1.1 mm |
