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 |
|---|---|---|
| Bore diameter | d | 150 mm |
| Outside diameter | D | 270 mm |
| Width | B | 126 mm |
| Basic dynamic load rating | C | 550 kN |
| Basic static load rating | C0 | 630 kN |
| Fatigue load limit | Pu | 90 kN |
| Limiting speed | nG | 2500 r/min |
| Mass | ≈m | 29.09 kg |
| Precision class | PN — Normal (ISO 492:2023) | |
| Cage | Standard — Sheet steel cage, window cage, roller-guided | |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 200 °C |
Product characteristics5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Tolerance class | PN | Normal (ISO 492:2023) |
| Cage | Standard | Sheet steel cage, window cage, roller-guided |
| Quality level | XL | X-life |
| Matched arrangement | F | X arrangement |
| Number of rows | 2 | Double-row design |
Main Dimensions & Performance Data11 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 150 mm5.906 in |
| Outside diameter | D | 270 mm10.63 in |
| Inner ring total width | 2B | 118 mm4.646 in |
| Outer ring total width | 2T | 126 mm4.961 in |
| Basic dynamic load rating, radial | Cr | 550,000 N123,651.079 lbf |
| Basic static load rating, radial | C0r | 630,000 N141,636.691 lbf |
| Basic dynamic load rating, radial, 2nd series | Cr | 870,000 N195,593.525 lbf |
| Basic static load rating, radial, 2nd series | C0r | 1,150,000 N258,543.165 lbf |
| Fatigue load limit, radial | Cur | 90,000 N20,233.813 lbf |
| Limiting speed | nG | 2,500 1/min |
| Mass | ≈m | 29.09 kg64.132 lbs |
Temperature range2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Operating temperature min. | Tmin | -30 °C-22 °F |
| Operating temperature max. | Tmax | 200 °C392 °F |
Calculation factors2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y | e | 0.44 |
| Static axial load factor | Y0 | 0.76 |
Capabilities & suitability6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Radial load capacity | Yes | |
| Axial load capacity in one direction | Yes | |
| Axial load capacity in both directions | Yes | |
| Suitable for grease lubrication | Yes | |
| Suitable for oil lubrication | Yes | |
| Unsealed design | Yes |
Manufacturer Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 1280662 | |
| Brand | FAG | |
| SAP material number | 0852635670000 | |
| Base product | 2305091051 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Tapered roller bearing set with different rows, double-row, X-arrangement, opened design | |
| Short Description | Tapered roller bearing set |
Technical Data14 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 150 mm | |
| Outside Diameter (D) | 270 mm | |
| Width Of Bearing Outside (2T) | 126 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 550,000 N | |
| Basic Static Load Rating, Radial (C0R) | 630,000 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Limiting Speed (Ng) | 2,500 1/min | |
| Operating Temperature Max. (Tmax) | 200 °C | |
| Basic Dynamic Load Rating, Radial, 2Nd Series (Cr) | 870,000 N | |
| Basic Static Load Rating, Radial, 2Nd Series (C0R) | 1,150,000 N | |
| Fatigue Load Limit, Radial (Cur) | 90,000 N | |
| Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E) | 0.44 | |
| Width Of Bearing Inside (B4) | 118 mm | |
| Static Axial Load Factor (Y0) | 0.76 |
