Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications13 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | 23028 | |
| Bore diameter | d | 140 mm |
| Outside diameter | D | 210 mm |
| Width | B | 53 mm |
| Basic dynamic load rating | C | 570 kN |
| Basic static load rating | C0 | 800 kN |
| Fatigue load limit | Pu | 77 kN |
| Reference speed | nref | 2390 r/min |
| Limiting speed | nG | 3450 r/min |
| Mass | ≈m | 6.264 kg |
| Cage | M — Brass Cage | |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 200 °C |
Product characteristics4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Design | E1A | Without central rip |
| Bore type | Z | Cylindrical |
| Cage | M | Brass Cage |
| Relubrication feature | Standard |
Main Dimensions & Performance Data9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 140 mm5.512 in |
| Outside diameter | D | 210 mm8.268 in |
| Width | B | 53 mm2.087 in |
| Basic dynamic load rating, radial | Cr | 570,000 N128,147.482 lbf |
| Basic static load rating, radial | C0r | 800,000 N179,856.115 lbf |
| Fatigue load limit, radial | Cur | 77,000 N17,311.151 lbf |
| Limiting speed | nG | 3,450 1/min |
| Reference speed | nϑr | 2,390 1/min |
| Mass | ≈m | 6.264 kg13.81 lbs |
Mounting dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 148.8 mm5.858 in |
| Maximum diameter of housing shoulder | Da max | 201.2 mm7.921 in |
| Maximum recess radius | ra max | 2 mm0.079 in |
Dimensions4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 2 mm0.079 in |
| Bore diameter outer ring | D1 | 192.3 mm7.571 in |
| Diameter lubrication hole | ds | 4.8 mm0.189 in |
| Width of lubricating groove | ns | 9.5 mm0.374 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 | 0.22 |
| Dynamic axial load factor | Y1 | 3.07 |
| Dynamic axial load factor | Y2 | 4.57 |
| Static axial load factor | Y0 | 3 |
Capabilities & suitability8 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 | |
| Staticangularerrorandmisalignment | Yes | |
| Dynamicangularerrorandmisalignment | Yes |
Manufacturer Identity6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 391317 | |
| Brand | FAG | |
| Base Type | 23028 | |
| X Life Marking | XL | |
| SAP material number | 0190010530050 | |
| Base product | 2305091121 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Spherical roller bearings 230..-E1A, main dimensions to DIN 635-2 | |
| Short Description | Spherical Roller Bearing |
Technical Data21 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 140 mm | |
| Outside Diamater (D) | 210 mm | |
| Total Width (B) | 53 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 570,000 N | |
| Basic Static Load Rating, Radial (C0R) | 800,000 N | |
| Diameter Lubrication Hole (Ds) | 4.8 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Minimum Diameter Shaft Shoulder (Da) | 148.8 mm | |
| Operating Temperature Max. (Tmax) | 200 °C | |
| Limiting Speed (Limiting Spe) | 3,450 1/min | |
| Reference Speed (Nϑr) | 2,390 1/min | |
| Maximum Recess Radius (Ra Max) | 2 mm | |
| Maximum Diameter Of Housing Shoulder (Da) | 201.2 mm | |
| Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E) | 0.22 | |
| Width Of Lubricating Groove (Ns) | 9.5 mm | |
| Dynamic Axial Load Factor (Y1) | 3.07 | |
| Bore Diameter Outer Ring (D1) | 192.3 mm | |
| Minimum Chamfer Dimension (Rmin) | 2 mm | |
| Static Axial Load Factor (Y0) | 3 | |
| Dynamic Axial Load Factor (Y2) | 4.57 | |
| Fatigue Load Limit, Radial (Cur) | 77,000 N |
