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 | 23188 | |
| Bore diameter | d | 440 mm |
| Outside diameter | D | 720 mm |
| Width | B | 226 mm |
| Basic dynamic load rating | C | 6200 kN |
| Basic static load rating | C0 | 10200 kN |
| Fatigue load limit | Pu | 700 kN |
| Reference speed | nref | 430 r/min |
| Limiting speed | nG | 820 r/min |
| Mass | ≈m | 361 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 | Z | Cylindrical |
| 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 | 440 mm17.323 in |
| Outside diameter | D | 720 mm28.346 in |
| Width | B | 226 mm8.898 in |
| Basic dynamic load rating, radial | Cr | 6,200,000 N1,393,884.892 lbf |
| Basic static load rating, radial | C0r | 10,200,000 N2,293,165.468 lbf |
| Fatigue load limit, radial | Cur | 700,000 N157,374.101 lbf |
| Limiting speed | nG | 820 1/min |
| Reference speed | nϑr | 430 1/min |
| Mass | ≈m | 361 kg795.868 lbs |
Mounting dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 466 mm18.346 in |
| Maximum diameter of housing shoulder | Da max | 694 mm27.323 in |
| Maximum recess radius | ra max | 5 mm0.197 in |
Dimensions4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 6 mm0.236 in |
| Bore diameter outer ring | D1 | 630.2 mm24.811 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 | 0.3 |
| Dynamic axial load factor | Y1 | 2.25 |
| Dynamic axial load factor | Y2 | 3.34 |
| Static axial load factor | Y0 | 2.2 |
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 Identity7 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 390658 | |
| Brand | FAG | |
| Base Type | 23188 | |
| Old Designation | ["23188-E1A-MB1-C3","23188-MB-C3"] | |
| X Life Marking | XL | |
| SAP material number | 0863257100030 | |
| Base product | 2305091122 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Spherical roller bearing 231..-BEA-XL-MB1, symmetric 2 outer ribs with rib washer | |
| Short Description | Spherical Roller Bearing |
Technical Data21 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 440 mm | |
| Outside Diamater (D) | 720 mm | |
| Total Width (B) | 226 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 6,200,000 N | |
| Basic Static Load Rating, Radial (C0R) | 10,200,000 N | |
| Diameter Lubrication Hole (Ds) | 12.5 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Minimum Diameter Shaft Shoulder (Da) | 466 mm | |
| Operating Temperature Max. (Tmax) | 200 °C | |
| Limiting Speed (Limiting Spe) | 820 1/min | |
| Reference Speed (Nϑr) | 430 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) | 0.3 | |
| Width Of Lubricating Groove (Ns) | 23.5 mm | |
| Dynamic Axial Load Factor (Y1) | 2.25 | |
| Bore Diameter Outer Ring (D1) | 630.2 mm | |
| Minimum Chamfer Dimension (Rmin) | 6 mm | |
| Static Axial Load Factor (Y0) | 2.2 | |
| Dynamic Axial Load Factor (Y2) | 3.34 | |
| Fatigue Load Limit, Radial (Cur) | 700,000 N |
