Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications7 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | DKLFA2590 | |
| Bore diameter | d | 25 mm |
| Outside diameter | D | 57 mm |
| Width | B | 38 mm |
| Mass | ≈m | 0.907 kg |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 120 °C |
Manufacturer Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 395535 | |
| Brand | INA | |
| Base Type | DKLFA2590 | |
| X Life Marking | n.r. |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Angular contact ball bearing units DKLFA..-2RS, double direction, for screw mounting, lip seals on both sides, with flattened flange | |
| Short Description | Axial angular contact ball bearing |
Technical Data38 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 25 mm | |
| Outside Diamater (D) | 57 mm | |
| Total Width (B) | 38 mm | |
| Basic Dynamic Load Rating, Axial (Ca) | 27,500 N | |
| Basic Static Load Rating, Axial (C0A) | 55,000 N | |
| Pitch Circle Diameter (Holes) (J) | 75 mm | |
| Required Locknut Force Axial 1 (Required Loc) | 9,670 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Limiting Speed For Grease Lubrication (Ng Grea) | 4,400 1/min | |
| Tilting Stiffness (Ckl) | 370 Nm/mrad | |
| Minimum Diameter Shaft Shoulder (Da) | 32 mm | |
| Operating Temperature Max. (Tmax) | 120 °C | |
| Basic Static Load Rating, Axial Hl (C0A) | 144,000 N | |
| Fatigue Load Limit, Axial (Cua) | 2,450 N | |
| Bore Diameter Lower Tolerance (Bore Diamete) | -0.01 mm | |
| Flange Diameter (D1) | 90 mm | |
| Thickness Of Flange (B1) | 22 mm | |
| Number Of Screws (Na) | 6 | |
| Flange Width (A) | 70 mm | |
| Width Lower Tolerance (Width Lower) | -0.25 mm | |
| Minimum Chamfer Dimension (R1 Min) | 0.6 mm | |
| Width Upper Tolerance (Width Upper) | 0 mm | |
| Bore Diameter Upper Tolerance (Bore Diamete) | 0 mm | |
| Rib Diameter Inner Ring (D1) | 40.5 mm | |
| Fixing Boring Diameter (D2) | 8.8 mm | |
| Rigidity Axial (Cal) | 850 N/µm | |
| Rigidity Axial (Hl) (Cal) | 1,200 N/µm | |
| Outside Diameter Lower Tolerance (Outside Diam) | -0.013 mm | |
| Bearing Friction Torque (Mrl) | 0.6 Nm | |
| Thermally Permissible Speed (Nϑ) | 2,000 1/min | |
| Basic Dynamic Load Rating, Axial Hl (Ca) | 53,000 N | |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 48 mm | |
| Tightening Torque Nut (Ma) | 25 Nm | |
| Fatigue Load Limit, Axial Hl (Cua) | 3,950 N | |
| Minimum Chamfer Dimension (Rmin) | 0.3 mm | |
| Axial Runout (Axial Runout) | 5 µm | |
| Mass Moment Of Inertia (Mm) | 1.12 kg*cm2 | |
| Outside Diameter Upper Tolerance (Outside Diam) | 0 mm |
