Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | ZARF50140 | |
| Bore diameter | d | 50 mm |
| Outside diameter | D | 140 mm |
| Width | B | 82 mm |
| Basic dynamic load rating | C | 46.5 kN |
| Basic static load rating | C0 | 103 kN |
| Fatigue load limit | Pu | 12.7 kN |
| Mass | ≈m | 4.086 kg |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 120 °C |
Manufacturer Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 397591 | |
| Brand | INA | |
| Base Type | ZARF50140 | |
| X Life Marking | n.r. |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Needle roller/axial cylindrical roller bearings ZARF, double direction, for screw mounting | |
| Short Description | Needle roller/axial cylindrical roller bearing |
Technical Data36 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 50 mm | |
| Outside Diamater (D) | 140 mm | |
| Hight (H) | 82 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 46,500 N | |
| Basic Static Load Rating, Radial (C0R) | 103,000 N | |
| Basic Dynamic Load Rating, Axial (Ca) | 172,000 N | |
| Basic Static Load Rating, Axial (C0A) | 480,000 N | |
| Height Outer Ring Over Wave Washer (H1) | 51 mm | |
| Pitch Circle Diameter (Holes) (J) | 113 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Limiting Speed For Grease Lubrication (Ng Grea) | 1,100 1/min | |
| Tilting Stiffness (Ckl) | 2,900 Nm/mrad | |
| Minimum Diameter Shaft Shoulder (Da) | 75 mm | |
| Limiting Speed (Ng Oil) | 3,100 1/min | |
| Operating Temperature Max. (Tmax) | 120 °C | |
| Fatigue Load Limit, Axial (Cua) | 44,500 N | |
| Maximum Diameter Of Housing Shoulder (Da) | 96 mm | |
| Width, Outer Ring (C) | 22.5 mm | |
| Distance To Lubrication Hole (C1) | 12.5 mm | |
| Number Of Screws (Na) | 12 | |
| Position Bore In The Housing (T1) | 0.2 mm | |
| Minimum Chamfer Dimension (R1 Min) | 0.6 mm | |
| Division (Screwing Holes) (Na X Ta) | 30 ° | |
| Diameter Lubrication Hole (D1) | 6 mm | |
| Split (N X T) | 30 ° | |
| Rip Diameter Shaft Washer (D1) | 95 mm | |
| Width Inner Ring (B) | 17.5 mm | |
| Rigidity Axial (Cal) | 4,600 N/µm | |
| Required Locknut Force (Required Loc) | 36,224 N | |
| Number Of Screwing Holes (N) | 12 | |
| Bearing Friction Torque (Mrl) | 3.8 Nm | |
| Tightening Torque Nut (Ma) | 180 Nm | |
| Minimum Chamfer Dimension (Rmin) | 0.3 mm | |
| Axial Runout (Axial Runout) | 1 µm | |
| Mass Moment Of Inertia (Mm) | 29.8 kg*cm2 | |
| Fatigue Load Limit, Radial (Cur) | 12,700 N |
