Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications11 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | 3811 | |
| Bore diameter | d | 55 mm |
| Outside diameter | D | 72 mm |
| Width | B | 13 mm |
| Basic dynamic load rating | C | 10.7 kN |
| Basic static load rating | C0 | 13.1 kN |
| Fatigue load limit | Pu | 0.76 kN |
| Limiting speed | nG | 4300 r/min |
| Mass | ≈m | 0.134 kg |
| Minimum operating temperature | Tmin | -20 °C |
| Maximum operating temperature | Tmax | 100 °C |
Manufacturer Identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 361086 | |
| Brand | INA | |
| Base Type | 3811 | |
| Old Designation | ["3811 2RS"] | |
| X Life Marking | n.r. |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Angular contact ball bearing 38..-B-2RS-TVH, double row, seals, plastic cage | |
| Short Description | Angular contact ball bearing |
Technical Data19 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 55 mm | |
| Outside Diameter (D) | 72 mm | |
| Width (B) | 13 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 10,700 N | |
| Basic Static Load Rating, Radial (C0R) | 13,100 N | |
| Operating Temperature Min. (Tmin) | -20 °C | |
| Limiting Speed (Ng) | 4,300 1/min | |
| Operating Temperature Max. (Tmax) | 100 °C | |
| Caliber Diameter Outer Ring (D2) | 69.02 mm | |
| Fatigue Load Limit, Radial (Cur) | 760 N | |
| Minimum Diameter Shaft Shoulder (Da Min) | 57 mm | |
| Shoulder Diameter Inner Ring (D1) | 63.1 mm | |
| Maximum Diameter Of Housing Shoulder (Da Max) | 70 mm | |
| Minimum Chamfer Dimension (Rmin) | 0.3 mm | |
| Caliber Diameter Inner Ring (D1) | 61.33 mm | |
| Maximum Fillet Radius (Ra Max) | 0.3 mm | |
| Shoulder Diameter Outer Ring (D1) | 67.93 mm | |
| Contact Angle (Α) | 25 ° | |
| Distance Between The Apexes Of The Pressure Cones (A) | 34.9 mm |
