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 |