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 | 23138 | |
| Bore diameter | d | 190 mm |
| Outside diameter | D | 320 mm |
| Width | B | 104 mm |
| Basic dynamic load rating | C | 1610 kN |
| Basic static load rating | C0 | 2220 kN |
| Fatigue load limit | Pu | 222 kN |
| Reference speed | nref | 1260 r/min |
| Limiting speed | nG | 2070 r/min |
| Mass | ≈m | 32.723 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 characteristics6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Design | E1A | Without central rip |
| Bore type | K | Tapered, taper 1:12 |
| Cage | M | Brass Cage |
| Radial internal clearance | CN (Group N) | Normal internal clearance |
| Relubrication feature | Standard | |
| Special material | Standard |
Main Dimensions & Performance Data9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 190 mm7.48 in |
| Outside diameter | D | 320 mm12.598 in |
| Width | B | 104 mm4.094 in |
| Basic dynamic load rating, radial | Cr | 1,610,000 N361,960.432 lbf |
| Basic static load rating, radial | C0r | 2,220,000 N499,100.719 lbf |
| Fatigue load limit, radial | Cur | 222,000 N49,910.072 lbf |
| Limiting speed | nG | 2,070 1/min |
| Reference speed | nϑr | 1,260 1/min |
| Mass | ≈m | 32.723 kg72.142 lbs |
Mounting dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 204 mm8.031 in |
| Maximum diameter of housing shoulder | Da max | 306 mm12.047 in |
| Maximum recess radius | ra max | 2.5 mm0.098 in |
| Maximum diameter of shaft shoulder | da max | 216 mm8.504 in |
| Minimum cavity diameter of the sleeve | db min | 202 mm7.953 in |
| Minimum cavity width of the sleeve | Ba min | 9 mm0.354 in |
Dimensions4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 3 mm0.118 in |
| Bore diameter outer ring | D1 | 281.6 mm11.087 in |
| Diameter lubrication hole | ds | 8 mm0.315 in |
| Width of lubricating groove | ns | 15 mm0.591 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 | 2.28 |
| Dynamic axial load factor | Y2 | 3.39 |
| Static axial load factor | Y0 | 2.23 |
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 Identity10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 388964 | |
| Brand | FAG | |
| Base Type | 23138 | |
| Old Designation | ["23138E1AK.M","23138-E1A-K-M"] | |
| X Life Marking | XL | |
| SAP material number | 0167078500000 | |
| Base product | 2305091121 | |
| Bearing X designation | 23138-E1A-XL-K-M | |
| Mounting Manager ID | 23138-E1A-XL-K-M | |
| Grease application ID | 23138-E1A-XL-K-M |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Spherical roller bearings 231..-E1A-K, main dimensions to DIN 635-2, with tapered bore, taper 1:12 | |
| Short Description | Spherical Roller Bearing |
Additional information2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Adapter sleeve | H3138 | |
| Withdrawal sleeve | AH3138G |
Technical Data24 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 190 mm | |
| Outside Diamater (D) | 320 mm | |
| Total Width (B) | 104 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 1,610,000 N | |
| Basic Static Load Rating, Radial (C0R) | 2,220,000 N | |
| Diameter Lubrication Hole (Ds) | 8 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Minimum Diameter Shaft Shoulder (Da) | 204 mm | |
| Operating Temperature Max. (Tmax) | 200 °C | |
| Limiting Speed (Limiting Spe) | 2,070 1/min | |
| Reference Speed (Nϑr) | 1,260 1/min | |
| Maximum Recess Radius (Ra Max) | 2.5 mm | |
| Maximum Diameter Of Housing Shoulder (Da) | 306 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) | 15 mm | |
| Dynamic Axial Load Factor (Y1) | 2.28 | |
| Bore Diameter Outer Ring (D1) | 281.6 mm | |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 216 mm | |
| Minimum Chamfer Dimension (Rmin) | 3 mm | |
| Static Axial Load Factor (Y0) | 2.23 | |
| Dynamic Axial Load Factor (Y2) | 3.39 | |
| Minimum Cavity Width Of The Sleeve (Ba Min) | 9 mm | |
| Minimum Cavity Diameter Of The Sleeve (Db Min) | 202 mm | |
| Fatigue Load Limit, Radial (Cur) | 222,000 N |
