Bearing number | 4T-30306D |
Size (mm) | 30x72x20.75 |
Bore Diameter (mm) | 30 |
Outer Diameter (mm) | 72 |
Width (mm) | 20,75 |
d | 30 mm |
D | 72 mm |
T | 20,75 mm |
B | 19 mm |
C | 14 mm |
ra1 max. | 1,5 mm |
a | 23,5 mm |
r min. | 1,5 mm |
r1 min. | 1,5 mm |
da min. | 38,5 mm |
Da min | 55 mm |
Da max. | 63,5 mm |
db max. | 39 mm |
Db min. | 68 mm |
ra max. | 1,5 mm |
Sa | 3 mm |
Sb | 6,5 mm |
Weight | 0,398 Kg |
Basic dynamic load rating (C) | 48,5 kN |
Basic static load rating (C0) | 51,5 kN |
(Grease) Lubrication Speed | 5 000 r/min |
(Oil) Lubrication Speed | 6 700 r/min |
Calculation factor (e) | 0,83 |
Calculation factor (Y0) | 0,4 |
d1 | 53 mm |
rs min | 1.5 mm |
r1s min | 1.5 mm |
e | 0.83 |
Y2 | 0.73 |
Y0 | 0.4 |
Mass | 0.4 kg |
ISO 355 reference | T7FB030 |
Dynamic load, C | 48.5 kN |
Rating life coefficient, A2 | 1.4 |
Static load, C0 | 51.5 kN |
Fatigue limit load, Cu | 6.3 kN |
Nlim (oil) | 6,700 rpm |
Nlim (grease) | 5,000 rpm |
Min operating temperature, Tmin | -40 °C |
Max operating temperature, Tmax | 120 °C |
Characteristic cage frequency, FTF | 0.42 Hz |
Characteristic rolling element frequency, BSF | 5.53 Hz |
Characteristic outer ring frequency, BPF0 | 6.34 Hz |
Characteristic inner ring frequency, BPFI | 8.66 Hz |
da max | 39 mm |
db min | 38.5 mm |
Da max | 63.5 mm |
Db min | 68 mm |
Ca min | 3 mm |
Cb min | 6.5 mm |
ra max | 1.5 mm |
r1a max | 1.5 mm |
Category | Bearings |
Inventory | 0.0 |
Minimum Buy Quantity | N/A |
Product Group | B04336 |