NNU3148 KOYO Double-row cylindrical roller bearings
| Brand Name: | KOYO |
| Model Number: | NNU3148 |
| Bearing number: | 4T-L45449/L45410 |
| Size (mm): | 29x50.292x14.224 |
| Bore Diameter (mm): | 29 |
| Outer Diameter (mm): | 50,292 |
| Width (mm): | 14,224 |
| d: | 29 mm |
| D: | 50,292 mm |
| T: | 14,224 mm |
| PDF |
NNU3148 |
Product Details
| Bearing number | 4T-L45449/L45410 |
| Size (mm) | 29x50.292x14.224 |
| Bore Diameter (mm) | 29 |
| Outer Diameter (mm) | 50,292 |
| Width (mm) | 14,224 |
| d | 29 mm |
| D | 50,292 mm |
| T | 14,224 mm |
| B | 14,732 mm |
| C | 10,668 mm |
| ra1 max. | 1,3 mm |
| a | 3,5 mm |
| Da | 44,5 mm |
| db | 33 mm |
| ra max. | 3,5 mm |
| da | 39,5 mm |
| Db | 48 mm |
| Weight | 0,113 Kg |
| Basic dynamic load rating (C) | 28 kN |
| Basic static load rating (C0) | 35,5 kN |
| (Grease) Lubrication Speed | 7 200 r/min |
| (Oil) Lubrication Speed | 9 600 r/min |
| Calculation factor (e) | 0,37 |
| Calculation factor (Y0) | 0,89 |
| d1 | 41.3 mm |
| e | 0.37 |
| Y2 | 1.62 |
| Y0 | 0.89 |
| Mass | 0.11 kg |
| Dynamic load, C | 28 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 35.5 kN |
| Fatigue limit load, Cu | 4.35 kN |
| Nlim (oil) | 9,600 rpm |
| Nlim (grease) | 7,200 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.44 Hz |
| Characteristic rolling element frequency, BSF | 8.05 Hz |
| Characteristic outer ring frequency, BPF0 | 9.25 Hz |
| Characteristic inner ring frequency, BPFI | 11.75 Hz |
| ra max | 3.5 mm |
| r1a max | 1.3 mm |
| Category | Roller Bearings |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.105 |
| Product Group | B04334 |
NN3172 KOYO Double-row cylindrical roller bearings
72NNU54266 KOYO Double-row cylindrical roller bearings
NNU4072 KOYO Double-row cylindrical roller bearings
NN3072 KOYO Double-row cylindrical roller bearings
NNU4972 KOYO Double-row cylindrical roller bearings
NNU4068 KOYO Double-row cylindrical roller bearings