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 | 81228 | |
| Bore diameter | d | 140 mm |
| Outside diameter | D | 200 mm |
| Width | B | 46 mm |
| Reference speed | nref | 730 r/min |
| Limiting speed | nG | 1690 r/min |
| Mass | ≈m | 4.95 kg |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 120 °C |
Manufacturer Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 396293 | |
| Brand | INA | |
| Base Type | 81228 | |
| X Life Marking | n.r. |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Axial cylindrical roller bearing 812..-M, single row | |
| Short Description | Axial cylindrical roller bearing |
Technical Data15 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 140 mm | |
| Outside Diameter (D) | 200 mm | |
| Width (B) | 46 mm | |
| Basic Dynamic Load Rating, Axial (Ca) | 455,000 N | |
| Basic Static Load Rating, Axial (C0A) | 1,450,000 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Minimum Diameter Shaft Shoulder (Da) | 191 mm | |
| Operating Temperature Max. (Tmax) | 120 °C | |
| Limiting Speed (Ng) | 1,690 1/min | |
| Reference Speed (Nϑr) | 730 1/min | |
| Maximum Diameter Of Housing Shoulder (Da) | 147 mm | |
| Rip Diameter Shaft Washer (D1) | 197 mm | |
| Bore Diameter Housing Washer (D1) | 143 mm | |
| Minimum Chamfer Dimension (Rmin) | 1.5 mm | |
| Fatigue Load Limit, Axial (Cua) | 143,000 N |
