NU230EM TIMKEN Tapered Roller Bearings Double-row
| Brand Name: | TIMKEN |
| Model Number: | NU230EM |
| Bearing number: | 4T-32204 |
| Size (mm): | 20x47x19.25 |
| Bore Diameter (mm): | 20 |
| Outer Diameter (mm): | 47 |
| Width (mm): | 19,25 |
| d: | 20 mm |
| D: | 47 mm |
| T: | 19,25 mm |
Product Details
| Bearing number | 4T-32204 |
| Size (mm) | 20x47x19.25 |
| Bore Diameter (mm) | 20 |
| Outer Diameter (mm) | 47 |
| Width (mm) | 19,25 |
| d | 20 mm |
| D | 47 mm |
| T | 19,25 mm |
| B | 18 mm |
| C | 15 mm |
| ra1 max. | 1 mm |
| a | 12,5 mm |
| r min. | 1 mm |
| r1 min. | 1 mm |
| da min. | 25,5 mm |
| Da min | 39 mm |
| Da max. | 41,5 mm |
| db max. | 26 mm |
| Db min. | 43 mm |
| ra max. | 1 mm |
| Sa | 2 mm |
| Sb | 4 mm |
| Weight | 0,16 Kg |
| Basic dynamic load rating (C) | 36,5 kN |
| Basic static load rating (C0) | 39,5 kN |
| (Grease) Lubrication Speed | 8 800 r/min |
| (Oil) Lubrication Speed | 12 000 r/min |
| Calculation factor (e) | 0,33 |
| Calculation factor (Y0) | 1 |
| d1 | 33 mm |
| rs min | 1 mm |
| r1s min | 1 mm |
| e | 0.33 |
| Y2 | 1.81 |
| Y0 | 1 |
| Mass | 0.16 kg |
| ISO 355 reference | T2DD020 |
| Dynamic load, C | 36.5 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 39.5 kN |
| Fatigue limit load, Cu | 4.8 kN |
| Nlim (oil) | 12,000 rpm |
| Nlim (grease) | 8,800 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.41 Hz |
| Characteristic rolling element frequency, BSF | 5.02 Hz |
| Characteristic outer ring frequency, BPF0 | 6.09 Hz |
| Characteristic inner ring frequency, BPFI | 8.91 Hz |
| da max | 26 mm |
| db min | 25.5 mm |
| Da max | 41.5 mm |
| Db min | 43 mm |
| Ca min | 2 mm |
| Cb min | 4 mm |
| ra max | 1 mm |
| r1a max | 1 mm |
| Category | Roller Bearings |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Product Group | B04334 |
