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 | K70X78X25 | |
| Bore diameter | d | 70 mm |
| Outside diameter | D | 78 mm |
| Width | B | 25 mm |
| Basic dynamic load rating | C | 52 kN |
| Basic static load rating | C0 | 112 kN |
| Fatigue load limit | Pu | 15.2 kN |
| Reference speed | nref | 4000 r/min |
| Limiting speed | nG | 6600 r/min |
| Mass | ≈m | 0.123 kg |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 140 °C |
Manufacturer Identity3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 379842 | |
| Brand | INA | |
| Base Type | K70X78X25 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Needle roller cage assembly K, single row | |
| Short Description | Needle roller cage assembly |
Technical Data10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Inner Diameter Of Needle Roller Complement (Fw) | 70 mm | |
| Outside Diameter Of Needle Roller Complement (Ew) | 78 mm | |
| Width (Bc) | 25 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 52,000 N | |
| Basic Static Load Rating, Radial (C0R) | 112,000 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Operating Temperature Max. (Tmax) | 140 °C | |
| Limiting Speed (Limiting Spe) | 6,600 1/min | |
| Reference Speed (Nϑr) | 4,000 1/min | |
| Fatigue Load Limit, Radial (Cur) | 15,200 N |
