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 | 71811 | |
| Bore diameter | d | 55 mm |
| Outside diameter | D | 72 mm |
| Width | B | 9 mm |
| Basic dynamic load rating | C | 11.8 kN |
| Basic static load rating | C0 | 11.8 kN |
| Fatigue load limit | Pu | 0.78 kN |
| Reference speed | nref | 5600 r/min |
| Limiting speed | nG | 11400 r/min |
| Mass | ≈m | 0.081 kg |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 120 °C |
Manufacturer Identity3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 359201 | |
| Brand | INA | |
| Base Type | 71811 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Angular contact ball bearing 718..-B-TVP, single row, plastic cage | |
| Short Description | Angular contact ball bearing |
Technical Data21 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 55 mm | |
| Outside Diameter (D) | 72 mm | |
| Width (B) | 9 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 11,800 N | |
| Basic Static Load Rating, Radial (C0R) | 11,800 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Limiting Speed (Ng) | 11,400 1/min | |
| Operating Temperature Max. (Tmax) | 120 °C | |
| Reference Speed (Nϑr) | 5,600 1/min | |
| Maximum Diameter Of Housing Shoulder (Db Max) | 70.6 mm | |
| Fatigue Load Limit, Radial (Cur) | 780 N | |
| Minimum Diameter Shaft Shoulder (Da Min) | 57 mm | |
| Shoulder Diameter Inner Ring (D1) | 61.7 mm | |
| Maximum Diameter Of Housing Shoulder (Da Max) | 70 mm | |
| Minimum Chamfer Dimension (Rmin) | 0.3 mm | |
| Maximum Fillet Radius (Ra Max) | 0.3 mm | |
| Maximum Recess Radius (Ra1 Max) | 0.2 mm | |
| Shoulder Diameter Outer Ring (D1) | 65.3 mm | |
| Minimum Chamfer Dimension (R1 Min) | 0.2 mm | |
| Contact Angle (Α) | 40 ° | |
| Distance Between The Apexes Of The Pressure Cones (A) | 31.1 mm |
