Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications11 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 40 mm |
| Outside diameter | D | 50 mm |
| Width | B | 17 mm |
| Basic dynamic load rating | C | 21.4 kN |
| Basic static load rating | C0 | 41.5 kN |
| Fatigue load limit | Pu | 5.3 kN |
| Reference speed | nref | 7000 r/min |
| Limiting speed | nG | 11500 r/min |
| Mass | ≈m | 0.079 kg |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 120 °C |
Manufacturer Identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 393572 | |
| Brand | INA | |
| Base Type | RNAO40X50X17 | |
| Old Designation | ["RNAO 40X50X17"] | |
| X Life Marking | n.r. |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Needle roller bearing RNAO, two-row, no inner ring, no rib | |
| Short Description | Needle roller bearing |
Technical Data16 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Under Roller Diameter (Fw) | 40 mm | |
| Outside Diamater (D) | 50 mm | |
| Width, Outer Ring (C) | 17 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 21,400 N | |
| Basic Static Load Rating, Radial (C0R) | 41,500 N | |
| Shoulder Diameter Axial Guidance Nk/Shaft (Db) | 44.4 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Shoulder Diameter Outer Ring (Da) | 45.5 mm | |
| Operating Temperature Max. (Tmax) | 120 °C | |
| Limiting Speed (Limiting Spe) | 11,500 1/min | |
| Reference Speed (Nϑr) | 7,000 1/min | |
| Maximum Recess Radius (Ra Max) | 0.3 mm | |
| Shoulder Diameter Axial Guidance Nk/Housing (Db) | 40.6 mm | |
| Minimum Chamfer Dimension (Rmin) | 0.3 mm | |
| Raceway Diameter Outer Ring (E) | 45 mm | |
| Fatigue Load Limit, Radial (Cur) | 5,300 N |
