NU421-XL-M1
Cylindrical roller bearing
Cylindrical roller bearing NU..-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
NU421M1, NU421-M1
Description
Metric
Imperial
Main Dimensions & Performance Data
| d | 105 mm | Bore diameter |
| D | 260 mm | Outside diameter |
| B | 60 mm | Width |
| Cr | 610,000 N | Basic dynamic load rating, radial |
| C0r | 590,000 N | Basic static load rating, radial |
| Cur | 71,000 N | Fatigue load limit, radial |
| nG | 4,750 1/min | Limiting speed |
| nϑr | 2,750 1/min | Reference speed |
| ≈m | 17.4 kg | Weight |
Mounting dimensions
| da min | 125 mm | Minimum diameter shaft shoulder |
| da max | 143 mm | Maximum diameter of shaft shoulder |
| db min | 147 mm | Minimum shaft shoulder |
| Da max | 240 mm | Maximum diameter of housing shoulder |
| ra max | 3 mm | Maximum recess radius |
| ra1 max | 3 mm | Maximum recess radius |
Dimensions
| rmin | 4 mm | Minimum chamfer dimension |
| r1 min | 4 mm | Minimum chamfer dimension |
| s | 5.7 mm | Axial displacement |
| E | 220.5 mm | Raceway diameter outer ring |
| F | 144.5 mm | Raceway diameter inner ring |
| D1 min | 207.4 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 | Standard | |
| 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
