NU228-E-XL-M1
Cylindrical roller bearing
Cylindrical roller bearing NU..-E-XL-M1, with cage, single row, non-locating bearing, 2 ribs on outer ring, 0 ribs on inner ring (smooth), type NU, Running accuracy in P6
Replaces
NU228E.M1, NU228-E-M1
Description
Metric
Imperial
Main Dimensions & Performance Data
| d | 140 mm | Bore diameter |
| D | 250 mm | Outside diameter |
| B | 42 mm | Width |
| Cr | 460,000 N | Basic dynamic load rating, radial |
| C0r | 510,000 N | Basic static load rating, radial |
| Cur | 62,000 N | Fatigue load limit, radial |
| nG | 4,900 1/min | Limiting speed |
| nϑr | 2,600 1/min | Reference speed |
| ≈m | 9.02 kg | Weight |
Mounting dimensions
| da min | 154 mm | Minimum diameter shaft shoulder |
| da max | 166 mm | Maximum diameter of shaft shoulder |
| db min | 171 mm | Minimum shaft shoulder |
| Da max | 236 mm | Maximum diameter of housing shoulder |
| ra max | 2.5 mm | Maximum recess radius |
| ra1 max | 2.5 mm | Maximum recess radius |
Dimensions
| rmin | 3 mm | Minimum chamfer dimension |
| r1 min | 3 mm | Minimum chamfer dimension |
| s | 3.8 mm | Axial displacement |
| E | 225 mm | Raceway diameter outer ring |
| F | 169 mm | Raceway diameter inner ring |
| D1 min | 216.7 mm | Minimum rib diameter outer ring |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 150 °C | Operating temperature max. |
Your current product variant
| Design | E | Increased Capacity Design |
| Cage | M1 | Two Piece Brass Cage Roller Guided |
| Radial internal clearance | CN | Group N (CN) |
| Tolerance class | PN | Normal (PN) |
| Number of rolling element rows | 1 | Single-row design |
Characteristics
