Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | 81128 | |
| Bore diameter | d | 140 mm |
| Outside diameter | D | 180 mm |
| Width | B | 31 mm |
| Reference speed | nref | 780 r/min |
| Limiting speed | nG | 1800 r/min |
| Mass | ≈m | 2.167 kg |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 120 °C |
Manufacturer Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 395807 | |
| Brand | INA | |
| Base Type | 81128 | |
| X Life Marking | n.r. |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Axial cylindrical roller bearing 811..-M, single row | |
| Short Description | Axial cylindrical roller bearing |
Technical Data16 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 140 mm | |
| Outside Diameter (D) | 180 mm | |
| Width (B) | 31 mm | |
| Basic Dynamic Load Rating, Axial (Ca) | 236,000 N | |
| Basic Static Load Rating, Axial (C0A) | 840,000 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Minimum Diameter Shaft Shoulder (Da) | 175 mm | |
| Operating Temperature Max. (Tmax) | 120 °C | |
| Limiting Speed (Ng) | 1,800 1/min | |
| Reference Speed (Nϑr) | 780 1/min | |
| Maximum Recess Radius (Ra Max) | 1 mm | |
| Maximum Diameter Of Housing Shoulder (Da) | 145 mm | |
| Rip Diameter Shaft Washer (D1) | 178 mm | |
| Bore Diameter Housing Washer (D1) | 142 mm | |
| Minimum Chamfer Dimension (Rmin) | 1 mm | |
| Fatigue Load Limit, Axial (Cua) | 73,000 N |
