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 | 23128 | |
| Bore diameter | d | 140 mm |
| Outside diameter | D | 225 mm |
| Width | B | 68 mm |
| Basic dynamic load rating | C | 760 kN |
| Basic static load rating | C0 | 1010 kN |
| Fatigue load limit | Pu | 90 kN |
| Reference speed | nref | 1930 r/min |
| Limiting speed | nG | 3000 r/min |
| Mass | ≈m | 10.314 kg |
| Internal clearance | CN (Group N) — Normal internal clearance | |
| Cage | M — Brass Cage | |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 200 °C |
Product characteristics5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Design | E1A | Without central rip |
| Bore type | Z | Cylindrical |
| Cage | M | Brass Cage |
| Radial internal clearance | CN (Group N) | Normal internal clearance |
| Relubrication feature | H40 | Without lubricating groove and holes |
Main Dimensions & Performance Data9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 140 mm5.512 in |
| Outside diameter | D | 225 mm8.858 in |
| Width | B | 68 mm2.677 in |
| Basic dynamic load rating, radial | Cr | 760,000 N170,863.309 lbf |
| Basic static load rating, radial | C0r | 1,010,000 N227,068.345 lbf |
| Fatigue load limit, radial | Cur | 90,000 N20,233.813 lbf |
| Limiting speed | nG | 3,000 1/min |
| Reference speed | nϑr | 1,930 1/min |
| Mass | ≈m | 10.314 kg22.738 lbs |
Mounting dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 152 mm5.984 in |
| Maximum diameter of housing shoulder | Da max | 213 mm8.386 in |
| Maximum recess radius | ra max | 2.1 mm0.083 in |
Dimensions2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 2.1 mm0.083 in |
| Bore diameter outer ring | D1 | 201 mm7.913 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 | 0.27 |
| Dynamic axial load factor | Y1 | 2.49 |
| Dynamic axial load factor | Y2 | 3.71 |
| Static axial load factor | Y0 | 2.43 |
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 Identity7 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 388927 | |
| Brand | FAG | |
| Base Type | 23128 | |
| Old Designation | ["23128-E1A-M-H40","23128E1A.M.H40"] | |
| X Life Marking | XL | |
| SAP material number | 0190311570000 | |
| Base product | 2305091121 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Spherical roller bearing 231..-E1A-M-H40, symmetric 2 outer ribs | |
| Short Description | Spherical Roller Bearing |
Technical Data19 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 140 mm | |
| Outside Diamater (D) | 225 mm | |
| Total Width (B) | 68 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 760,000 N | |
| Basic Static Load Rating, Radial (C0R) | 1,010,000 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Minimum Diameter Shaft Shoulder (Da) | 152 mm | |
| Operating Temperature Max. (Tmax) | 200 °C | |
| Limiting Speed (Limiting Spe) | 3,000 1/min | |
| Reference Speed (Nϑr) | 1,930 1/min | |
| Maximum Recess Radius (Ra Max) | 2.1 mm | |
| Maximum Diameter Of Housing Shoulder (Da) | 213 mm | |
| Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E) | 0.27 | |
| Dynamic Axial Load Factor (Y1) | 2.49 | |
| Bore Diameter Outer Ring (D1) | 201 mm | |
| Minimum Chamfer Dimension (Rmin) | 2.1 mm | |
| Static Axial Load Factor (Y0) | 2.43 | |
| Dynamic Axial Load Factor (Y2) | 3.71 | |
| Fatigue Load Limit, Radial (Cur) | 90,000 N |
