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 | ZARF55145 | |
| Bore diameter | d | 55 mm |
| Outside diameter | D | 145 mm |
| Width | B | 103 mm |
| Basic dynamic load rating | C | 44 kN |
| Basic static load rating | C0 | 98 kN |
| Fatigue load limit | Pu | 13.8 kN |
| Mass | ≈m | 4.519 kg |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 120 °C |
Manufacturer Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 397644 | |
| Brand | INA | |
| Base Type | ZARF55145 | |
| X Life Marking | n.r. |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Needle roller/axial cylindrical roller bearings ZARF..-L, double direction, for screw mounting, long shaft locating washer | |
| Short Description | Needle roller/axial cylindrical roller bearing |
Technical Data40 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 55 mm | |
| Outside Diamater (D) | 145 mm | |
| Hight (H) | 103 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 44,000 N | |
| Basic Static Load Rating, Radial (C0R) | 98,000 N | |
| Basic Dynamic Load Rating, Axial (Ca) | 177,000 N | |
| Basic Static Load Rating, Axial (C0A) | 500,000 N | |
| Height Outer Ring Over Wave Washer (H1) | 72 mm | |
| Pitch Circle Diameter (Holes) (J) | 118 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Limiting Speed For Grease Lubrication (Ng Grea) | 1,000 1/min | |
| Tilting Stiffness (Ckl) | 3,600 Nm/mrad | |
| Minimum Diameter Shaft Shoulder (Da) | 78 mm | |
| Limiting Speed (Ng Oil) | 2,900 1/min | |
| Operating Temperature Max. (Tmax) | 120 °C | |
| Fatigue Load Limit, Axial (Cua) | 46,500 N | |
| Outside Diameter Wave Washer Long (D3) | 98 mm | |
| Maximum Diameter Of Housing Shoulder (Da) | 101 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) | 100 mm | |
| Width Inner Ring (B) | 17.5 mm | |
| Rigidity Axial (Cal) | 4,900 N/µm | |
| Required Locknut Force (Required Loc) | 39,807 N | |
| Number Of Screwing Holes (N) | 12 | |
| Bearing Friction Torque (Mrl) | 4 Nm | |
| Tightening Torque Nut (Ma) | 220 Nm | |
| Minimum Chamfer Dimension (Rmin) | 0.3 mm | |
| Axial Runout (Axial Runout) | 1 µm | |
| Width Heel Wave Washer Long (B2) | 18 mm | |
| Heeldiameter Wave Washer Long (D2) | 80 mm | |
| Mass Moment Of Inertia (Mm) | 43 kg*cm2 | |
| Fatigue Load Limit, Radial (Cur) | 13,800 N | |
| Width Wave Washer Long (B1) | 38.5 mm |
