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 | NU228 | |
| Bore diameter | d | 140 mm |
| Outside diameter | D | 250 mm |
| Width | B | 42 mm |
| Basic dynamic load rating | C | 460 kN |
| Basic static load rating | C0 | 510 kN |
| Fatigue load limit | Pu | 62 kN |
| Reference speed | nref | 2600 r/min |
| Limiting speed | nG | 4900 r/min |
| Mass | ≈m | 9.04 kg |
| Cage | MCA — Messing Käfig, einteilig, bordgeführt am Außenring | |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 150 °C |
Product characteristics3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Design | Standard | |
| Cage | MCA | Messing Käfig, einteilig, bordgeführt am Außenring |
| Number of rows | 1 | Single-row design |
Main Dimensions & Performance Data9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 140 mm5.512 in |
| Outside diameter | D | 250 mm9.843 in |
| Width | B | 42 mm1.654 in |
| Basic dynamic load rating, radial | Cr | 460,000 N103,417.266 lbf |
| Basic static load rating, radial | C0r | 510,000 N114,658.273 lbf |
| Fatigue load limit, radial | Cur | 62,000 N13,938.849 lbf |
| Limiting speed | nG | 4,900 1/min |
| Reference speed | nϑr | 2,600 1/min |
| Mass | ≈m | 9.04 kg19.93 lbs |
Mounting dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 154 mm6.063 in |
| Maximum diameter of shaft shoulder | da max | 166 mm6.535 in |
| Minimum shaft shoulder | db min | 171 mm6.732 in |
| Maximum diameter of housing shoulder | Da max | 236 mm9.291 in |
| Maximum recess radius | ra max | 2.5 mm0.098 in |
| Maximum recess radius | ra1 max | 2.5 mm0.098 in |
Dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 3 mm0.118 in |
| Minimum chamfer dimension | r1 min | 3 mm0.118 in |
| Axial displacement | s | 3.8 mm0.15 in |
| Raceway diameter outer ring | E | 225 mm8.858 in |
| Raceway diameter inner ring | F | 169 mm6.654 in |
| Minimum rib diameter outer ring | D1 min | 216.7 mm8.531 in |
Temperature range2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Operating temperature min. | Tmin | -30 °C-22 °F |
| Operating temperature max. | Tmax | 150 °C302 °F |
Capabilities & suitability5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Radial load capacity | Yes | |
| Axial load capacity in one direction | Yes | |
| Suitable for grease lubrication | Yes | |
| Suitable for oil lubrication | Yes | |
| Unsealed design | Yes |
Manufacturer Identity6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 1935266 | |
| Brand | FAG | |
| Base Type | NU228 | |
| X Life Marking | XL | |
| SAP material number | 0964088040030 | |
| Base product | 2305090102 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Cylindrical roller bearing NU20..-E-XL-MCA, with cage, single row, non-locating bearing, 2 ribs on outer ring, 0 ribs on inner ring (smooth), type NU, Running accuracy in P6 | |
| Short Description | Cylindrical roller bearing |
Technical Data22 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 140 mm | |
| Outside Diamater (D) | 250 mm | |
| Total Width (B) | 42 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 460,000 N | |
| Basic Static Load Rating, Radial (C0R) | 510,000 N | |
| Raceway Diameter Inner Ring (F) | 169 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Minimum Diameter Shaft Shoulder (Da) | 154 mm | |
| Operating Temperature Max. (Tmax) | 150 °C | |
| Limiting Speed (Limiting Spe) | 4,900 1/min | |
| Reference Speed (Nϑr) | 2,600 1/min | |
| Maximum Recess Radius (Ra Max) | 2.5 mm | |
| Maximum Diameter Of Housing Shoulder (Da) | 236 mm | |
| Minimum Chamfer Dimension (R1 Min) | 3 mm | |
| Axial Displacement (S) | 3.8 mm | |
| Minimum Rib Diameter Outer Ring (D1 Min) | 216.7 mm | |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 166 mm | |
| Maximum Recess Radius (Ra1 Max) | 2.5 mm | |
| Minimum Chamfer Dimension (Rmin) | 3 mm | |
| Raceway Diameter Outer Ring (E) | 225 mm | |
| Minimum Shaft Shoulder (Db Min) | 171 mm | |
| Fatigue Load Limit, Radial (Cur) | 62,000 N |
