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 | 81220 | |
| Bore diameter | d | 100 mm |
| Outside diameter | D | 150 mm |
| Width | B | 38 mm |
| Reference speed | nref | 840 r/min |
| Limiting speed | nG | 2300 r/min |
| Mass | ≈m | 2.219 kg |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 120 °C |
Manufacturer Identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 395959 | |
| Brand | INA | |
| Base Type | 81220 | |
| Old Designation | ["812 20 TN"] | |
| X Life Marking | n.r. |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Axial cylindrical roller bearings 874, single direction, comprising K874, GS, WS | |
| Short Description | Axial cylindrical roller bearing |
Technical Data16 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 100 mm | |
| Outside Diameter (D) | 150 mm | |
| Width (B) | 38 mm | |
| Basic Dynamic Load Rating, Axial (Ca) | 340,000 N | |
| Basic Static Load Rating, Axial (C0A) | 1,080,000 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Minimum Diameter Shaft Shoulder (Da) | 142 mm | |
| Operating Temperature Max. (Tmax) | 120 °C | |
| Limiting Speed (Ng) | 2,300 1/min | |
| Reference Speed (Nϑr) | 840 1/min | |
| Maximum Recess Radius (Ra Max) | 1.1 mm | |
| Maximum Diameter Of Housing Shoulder (Da) | 107 mm | |
| Rip Diameter Shaft Washer (D1) | 150 mm | |
| Bore Diameter Housing Washer (D1) | 103 mm | |
| Minimum Chamfer Dimension (Rmin) | 1.1 mm | |
| Fatigue Load Limit, Axial (Cua) | 113,000 N |
