4R2904 Cylindrical Roller Bearing 145x225x156mm
Question4R2904 Cylindrical Roller Bearing 145x225x156mm ? Find what you 77.788x146.05x41.275 need Industrial Bearings Solutions faster by 77,788 Bore Diameter (mm) entering your Singapore Bearing Authorized Dealer information .
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Details
| Bearing number |
4T-661/653 |
| Size (mm) |
77.788x146.05x41.275 |
| Bore Diameter (mm) |
77,788 |
| Outer Diameter (mm) |
146,05 |
| Width (mm) |
41,275 |
| d |
77,788 mm |
| D |
146,05 mm |
| T |
41,275 mm |
| B |
41,275 mm |
| C |
31,75 mm |
| ra1 max. |
3,3 mm |
| a |
8 mm |
| Da |
131 mm |
| db |
90 mm |
| ra max. |
3,5 mm |
| da |
96 mm |
| Db |
139 mm |
| Weight |
2,91 Kg |
| Basic dynamic load rating (C) |
206 kN |
| Basic static load rating (C0) |
295 kN |
| (Grease) Lubrication Speed |
2 500 r/min |
| (Oil) Lubrication Speed |
3 300 r/min |
| Calculation factor (e) |
0,41 |
| Calculation factor (Y0) |
0,81 |
| d1 |
114.4 mm |
| e |
0.41 |
| Y2 |
1.47 |
| Y0 |
0.81 |
| Mass |
2.91 kg |
| Dynamic load, C |
206 kN |
| Rating life coefficient, A2 |
1.4 |
| Static load, C0 |
295 kN |
| Fatigue limit load, Cu |
34.5 kN |
| Nlim (oil) |
3,300 rpm |
| Nlim (grease) |
2,500 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 |
7.53 Hz |
| Characteristic outer ring frequency, BPF0 |
8.74 Hz |
| Characteristic inner ring frequency, BPFI |
11.26 Hz |
| ra max |
3.5 mm |
| r1a max |
3.3 mm |
Company Profile
| Worktime |
9:00-18:00 pm |
| Phone |
+852(3)1591338 |