NU2256-E-M1A-C3
Cylindrical roller bearing
Cylindrical roller bearing NU..-E-M1A, 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
NU2256E.M1A.C3, NU2256MA.C3
Description
Metric
Imperial
Main Dimensions & Performance Data
| d | 280 mm | Bore diameter |
| D | 500 mm | Outside diameter |
| B | 130 mm | Width |
| Cr | 2,270,000 N | Basic dynamic load rating, radial |
| C0r | 3,600,000 N | Basic static load rating, radial |
| Cur | 370,000 N | Fatigue load limit, radial |
| nG | 1,980 1/min | Limiting speed |
| nϑr | 720 1/min | Reference speed |
| ≈m | 112.82 kg | Weight |
Mounting dimensions
| da min | 300 mm | Minimum diameter shaft shoulder |
| da max | 330 mm | Maximum diameter of shaft shoulder |
| db min | 336 mm | Minimum shaft shoulder |
| Da max | 480 mm | Maximum diameter of housing shoulder |
| ra max | 4 mm | Maximum recess radius |
| ra1 max | 4 mm | Maximum recess radius |
Dimensions
| rmin | 5 mm | Minimum chamfer dimension |
| r1 min | 5 mm | Minimum chamfer dimension |
| s | 10.5 mm | Axial displacement |
| E | 453 mm | Raceway diameter outer ring |
| F | 333 mm | Raceway diameter inner ring |
| D1 min | 435.95 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 | M1A | Two Piece Brass Cage Lip guided |
| Radial internal clearance | C3 | Group 3 (C3) |
| Tolerance class | PN | Normal (PN) |
| Number of rolling element rows | 1 | Single-row design |
Characteristics
