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 | HK4012 | |
| Bore diameter | d | 40 mm |
| Outside diameter | D | 47 mm |
| Width | B | 12 mm |
| Basic dynamic load rating | C | 14 kN |
| Basic static load rating | C0 | 24.3 kN |
| Fatigue load limit | Pu | 3.25 kN |
| Reference speed | nref | 5200 r/min |
| Limiting speed | nG | 6600 r/min |
| Mass | ≈m | 0.02952 kg |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 140 °C |
Manufacturer Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 381767 | |
| Brand | INA | |
| Base Type | HK4012 | |
| X Life Marking | n.r. |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Drawn cup needle roller bearings with open ends HK, to DIN 618/ISO 3245 | |
| Short Description | Drawn cup needle roller bearing open end |
Technical Data13 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Under Roller Diameter (Fw) | 40 mm | |
| Outside Diamater (D) | 47 mm | |
| Width (C) | 12 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 14,000 N | |
| Basic Static Load Rating, Radial (C0R) | 24,300 N | |
| Width, Outer Ring (C1) | 12 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Limiting Speed For Grease Lubrication (Ng Grea) | 3,950 1/min | |
| Operating Temperature Max. (Tmax) | 140 °C | |
| Limiting Speed (Limiting Spe) | 6,600 1/min | |
| Reference Speed (Nϑr) | 5,200 1/min | |
| Minimum Chamfer Dimension (Rmin) | 0.8 mm | |
| Fatigue Load Limit, Radial (Cur) | 3,250 N |