Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications12 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | RNAO25X37X16 | |
| Bore diameter | d | 25 mm |
| Outside diameter | D | 37 mm |
| Width | B | 16 mm |
| Basic dynamic load rating | C | 23.5 kN |
| Basic static load rating | C0 | 27.5 kN |
| Fatigue load limit | Pu | 4.65 kN |
| Reference speed | nref | 10000 r/min |
| Limiting speed | nG | 17200 r/min |
| Mass | ≈m | 0.056 kg |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 120 °C |
Manufacturer Identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 393600 | |
| Brand | INA | |
| Base Type | RNAO25X37X16 | |
| Old Designation | ["RNAO25X37X16"] | |
| X Life Marking | XL |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Needle roller bearings RNAO, without ribs | |
| Short Description | Needle roller bearing |
Technical Data16 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Under Roller Diameter (Fw) | 25 mm | |
| Outside Diamater (D) | 37 mm | |
| Width, Outer Ring (C) | 16 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 23,500 N | |
| Basic Static Load Rating, Radial (C0R) | 27,500 N | |
| Shoulder Diameter Axial Guidance Nk/Shaft (Db) | 31.4 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Shoulder Diameter Outer Ring (Da) | 32.5 mm | |
| Operating Temperature Max. (Tmax) | 120 °C | |
| Limiting Speed (Limiting Spe) | 17,200 1/min | |
| Reference Speed (Nϑr) | 10,000 1/min | |
| Maximum Recess Radius (Ra Max) | 0.3 mm | |
| Shoulder Diameter Axial Guidance Nk/Housing (Db) | 25.6 mm | |
| Minimum Chamfer Dimension (Rmin) | 0.3 mm | |
| Raceway Diameter Outer Ring (E) | 32 mm | |
| Fatigue Load Limit, Radial (Cur) | 4,650 N |
