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 | 23856 | |
| Bore diameter | d | 280 mm |
| Outside diameter | D | 350 mm |
| Width | B | 52 mm |
| Basic dynamic load rating | C | 520 kN |
| Basic static load rating | C0 | 1230 kN |
| Fatigue load limit | Pu | 84 kN |
| Reference speed | nref | 1090 r/min |
| Limiting speed | nG | 2370 r/min |
| Mass | ≈m | 12 kg |
| Internal clearance | CN (Group N) — Normal internal clearance | |
| Cage | MB — Solid brass cage | |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 200 °C |
Product characteristics4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore type | Z | Cylindrical |
| Cage | MB | Solid brass cage |
| Radial internal clearance | CN (Group N) | Normal internal clearance |
| Relubrication feature | Standard |
Main Dimensions & Performance Data9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 280 mm11.024 in |
| Outside diameter | D | 350 mm13.78 in |
| Width | B | 52 mm2.047 in |
| Basic dynamic load rating, radial | Cr | 520,000 N116,906.475 lbf |
| Basic static load rating, radial | C0r | 1,230,000 N276,528.777 lbf |
| Fatigue load limit, radial | Cur | 84,000 N18,884.892 lbf |
| Limiting speed | nG | 2,370 1/min |
| Reference speed | nϑr | 1,090 1/min |
| Mass | ≈m | 12 kg26.455 lbs |
Mounting dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 288.8 mm11.37 in |
| Maximum diameter of housing shoulder | Da max | 341.2 mm13.433 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 | 330.7 mm13.02 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 | 0.13 |
| Dynamic axial load factor | Y1 | 5.23 |
| Dynamic axial load factor | Y2 | 7.79 |
| Static axial load factor | Y0 | 5.11 |
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 Identity9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 389869 | |
| Brand | FAG | |
| Base Type | 23856 | |
| Old Designation | ["23856MB"] | |
| X Life Marking | n.r. | |
| SAP material number | 0190396200000 | |
| Base product | 2305091131 | |
| Bearing X designation | 23856-MB | |
| Mounting Manager ID | 23856-MB |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Spherical roller bearing 238..-MB, symmetric 3 ribs | |
| Short Description | Spherical Roller Bearing |
Technical Data21 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 280 mm | |
| Outside Diamater (D) | 350 mm | |
| Total Width (B) | 52 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 520,000 N | |
| Basic Static Load Rating, Radial (C0R) | 1,230,000 N | |
| Diameter Lubrication Hole (Ds) | 4.8 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Minimum Diameter Shaft Shoulder (Da) | 288.8 mm | |
| Operating Temperature Max. (Tmax) | 200 °C | |
| Limiting Speed (Limiting Spe) | 2,370 1/min | |
| Reference Speed (Nϑr) | 1,090 1/min | |
| Maximum Recess Radius (Ra Max) | 2 mm | |
| Maximum Diameter Of Housing Shoulder (Da) | 341.2 mm | |
| Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E) | 0.13 | |
| Width Of Lubricating Groove (Ns) | 9.5 mm | |
| Dynamic Axial Load Factor (Y1) | 5.23 | |
| Bore Diameter Outer Ring (D1) | 330.7 mm | |
| Minimum Chamfer Dimension (Rmin) | 2 mm | |
| Static Axial Load Factor (Y0) | 5.11 | |
| Dynamic Axial Load Factor (Y2) | 7.79 | |
| Fatigue Load Limit, Radial (Cur) | 84,000 N |
