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 | ZKLF | |
| Bore diameter | d | 20 mm |
| Outside diameter | D | 68 mm |
| Width | B | 56 mm |
| Mass | ≈m | 1.141 kg |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 120 °C |
Manufacturer Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 395406 | |
| Brand | INA | |
| Base Type | ZKLF | |
| X Life Marking | XL |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Axial angular contact ball bearings ZKLF..-2Z-2AP-XL, matched pair, double direction, gap seals on both sides | |
| Short Description | Axial angular contact ball bearing |
Technical Data38 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 20 mm | |
| Outside Diamater (D) | 68 mm | |
| Total Width (B) | 56 mm | |
| Basic Dynamic Load Rating, Axial (Ca) | 46,000 N | |
| Basic Static Load Rating, Axial (C0A) | 94,000 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Limiting Speed For Grease Lubrication (Ng Grea) | 8,700 1/min | |
| Operating Temperature Max. (Tmax) | 120 °C | |
| Pitch Circle Diameter Fixing Holes (J) | 53 mm | |
| Tilting Rigidity (Ckl) | 320 Nm/mrad | |
| Fatigue Load Limit, Axial (Cua) | 5,700 N | |
| Number Of Holes In Adjacent Construction (Na) | 7 | |
| Bore Diameter Lower Tolerance (Bore Diamete) | 0.005 mm | |
| Contact Angle (Α) | 60 ° | |
| Minimum Diameter Shaft (Da Min) | 21 mm | |
| Width Lower Tolerance (Width Lower) | -0.5 mm | |
| Minimum Chamfer Dimension (R1 Min) | 0.6 mm | |
| Pitch Separation Angle Of Fixing Holes (T) | 45 ° | |
| Width Upper Tolerance (Width Upper) | 0 mm | |
| Maximum Diameter Of Housing (Da Max) | 43 mm | |
| Bore Diameter Upper Tolerance (Bore Diamete) | 0 mm | |
| Rib Diameter Inner Ring (D1) | 34.5 mm | |
| Distance Of Extraction Slot (I) | 47 mm | |
| Pitch Quantity Of Fixing Holes (N) | 7 | |
| Required Locknut Force Axial (Required Loc) | 8,258 N | |
| Rigidity Axial (Cal) | 1,150 N/µm | |
| Outside Diameter Lower Tolerance (Outside Diam) | -0.1 mm | |
| Tightening Torque For The Recommended Ina Precision Locknut (Ma) | 18 Nm | |
| Bearing Frictional Torque (Mr) | 0.3 Nm | |
| Minimum Chamfer Dimension (Rmin) | 0.3 mm | |
| Pitch Separation Angle Of Holes In Adjacent Construction (Ta) | 45 ° | |
| Width Of Extraction Slot (B) | 3 mm | |
| Axial Runout (Axial Runout) | 2 µm | |
| Fixing Holes Diameter (D2) | 6.8 mm | |
| Thermally Safe Operating Speed (Nϑ) | 3,000 1/min | |
| Position Tolerance Of Bore In The Housing (T1) | 0.1 mm | |
| Mass Moment Of Inertia (Mm) | 0.564 kg*cm2 | |
| Outside Diameter Upper Tolerance (Outside Diam) | 0 mm |
