Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 50 mm |
| Outside diameter | D | 90 mm |
| Width | B | 19.8 mm |
| Basic dynamic load rating | C | 26 kN |
| Basic static load rating | C0 | 47 kN |
| Fatigue load limit | Pu | 6.4 kN |
| Limiting speed | nG | 650 r/min |
| Mass | ≈m | 0.616 kg |
Manufacturer Identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 398680 | |
| Brand | INA | |
| Base Type | STO50 | |
| Old Designation | ["STO 50"] | |
| X Life Marking | n.r. |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Yoke type track rollers STO.., single row needle roller bearings with particularly thick-walled outer ring, needle roller and cage assembly and an inner ring, without axial guidance of the outer ring, open, inner ring, outer ring and needle roller and cage assembly can be mounted separately | |
| Short Description | Yoke type track roller |
Technical Data12 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 50 mm | |
| Outside Diamater (D) | 90 mm | |
| Width, Outer Ring (C) | 19.8 mm | |
| Basic Dynamic Load Rating, Radial (Cr W) | 26,000 N | |
| Basic Static Load Rating, Radial (C0R W) | 47,000 N | |
| Raceway Diameter Inner Ring (F) | 60 mm | |
| Speed On Permanent Grease Lubrication (Nd G) | 650 1/min | |
| Width Inner Ring (B) | 20 mm | |
| Radius Of Outer Ring Outside Profile (R) | 500 mm | |
| Fatigue Load Limit, Radial (Cur W) | 6,400 N | |
| Minimum Chamfer Dimension (Rmin) | 1 mm | |
| Raceway Diameter Outer Ring (E) | 68 mm |
