Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications14 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | 23280 | |
| Bore diameter | d | 400 mm |
| Outside diameter | D | 720 mm |
| Width | B | 256 mm |
| Basic dynamic load rating | C | 7000 kN |
| Basic static load rating | C0 | 10900 kN |
| Fatigue load limit | Pu | 750 kN |
| Reference speed | nref | 370 r/min |
| Limiting speed | nG | 820 r/min |
| Mass | ≈m | 444 kg |
| Internal clearance | C3 (Group 3) — Internal clearance larger than CN | |
| Cage | MB1 — Solid brass cage | |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 200 °C |
Product characteristics5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Design | BEA | With lose center lip ring |
| Bore type | K | Tapered, taper 1:12 |
| Cage | MB1 | Solid brass cage |
| Radial internal clearance | C3 (Group 3) | Internal clearance larger than CN |
| Relubrication feature | Standard |
Main Dimensions & Performance Data9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 400 mm15.748 in |
| Outside diameter | D | 720 mm28.346 in |
| Width | B | 256 mm10.079 in |
| Basic dynamic load rating, radial | Cr | 7,000,000 N1,573,741.007 lbf |
| Basic static load rating, radial | C0r | 10,900,000 N2,450,539.568 lbf |
| Fatigue load limit, radial | Cur | 750,000 N168,615.108 lbf |
| Limiting speed | nG | 820 1/min |
| Reference speed | nϑr | 370 1/min |
| Mass | ≈m | 444 kg978.851 lbs |
Mounting dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 426 mm16.772 in |
| Maximum diameter of housing shoulder | Da max | 694 mm27.323 in |
| Maximum recess radius | ra max | 5 mm0.197 in |
| Maximum diameter of shaft shoulder | da max | 473 mm18.622 in |
| Minimum cavity diameter of the sleeve | db min | 427 mm16.811 in |
| Minimum cavity width of the sleeve | Ba min | 15 mm0.591 in |
Dimensions4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 6 mm0.236 in |
| Bore diameter outer ring | D1 | 611.2 mm24.063 in |
| Diameter lubrication hole | ds | 12.5 mm0.492 in |
| Width of lubricating groove | ns | 23.5 mm0.925 in |
Temperature range2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Operating temperature min. | Tmin | -30 °C-22 °F |
| Operating temperature max. | Tmax | 200 °C392 °F |
Calculation factors4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y | e | 0.36 |
| Dynamic axial load factor | Y1 | 1.9 |
| Dynamic axial load factor | Y2 | 2.83 |
| Static axial load factor | Y0 | 1.86 |
Capabilities & suitability9 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 | |
| Largebearing | Yes | |
| Staticangularerrorandmisalignment | Yes | |
| Dynamicangularerrorandmisalignment | Yes |
Manufacturer Identity6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 1307640 | |
| Brand | FAG | |
| Base Type | 23280 | |
| X Life Marking | XL | |
| SAP material number | 0826926370030 | |
| Base product | 2305091122 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Spherical roller bearing 232..-BEA-XL-K-MB1, symmetric 2 outer ribs with rib washer | |
| Short Description | Spherical Roller Bearing |
Additional information2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Adapter sleeve | H3280-HG | |
| Withdrawal sleeve | AH3280G-H |
Technical Data24 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 400 mm | |
| Outside Diamater (D) | 720 mm | |
| Total Width (B) | 256 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 7,000,000 N | |
| Basic Static Load Rating, Radial (C0R) | 10,900,000 N | |
| Diameter Lubrication Hole (Ds) | 12.5 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Minimum Diameter Shaft Shoulder (Da) | 426 mm | |
| Operating Temperature Max. (Tmax) | 200 °C | |
| Limiting Speed (Limiting Spe) | 820 1/min | |
| Reference Speed (Nϑr) | 370 1/min | |
| Maximum Recess Radius (Ra Max) | 5 mm | |
| Maximum Diameter Of Housing Shoulder (Da) | 694 mm | |
| Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E) | 0.36 | |
| Width Of Lubricating Groove (Ns) | 23.5 mm | |
| Dynamic Axial Load Factor (Y1) | 1.9 | |
| Bore Diameter Outer Ring (D1) | 611.2 mm | |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 473 mm | |
| Minimum Chamfer Dimension (Rmin) | 6 mm | |
| Static Axial Load Factor (Y0) | 1.86 | |
| Dynamic Axial Load Factor (Y2) | 2.83 | |
| Minimum Cavity Width Of The Sleeve (Ba Min) | 15 mm | |
| Minimum Cavity Diameter Of The Sleeve (Db Min) | 427 mm | |
| Fatigue Load Limit, Radial (Cur) | 750,000 N |
