TIMKEN 22330YMW33C3 Roller Bearings
Bearing number: | 71909 CE/HCP4AL |
Size (mm): | 68x45x12 |
Bore Diameter (mm): | 68 |
Outer Diameter (mm): | 45 |
Width (mm): | 12 |
d: | 45 mm |
D: | 68 mm |
B: | 12 mm |
Product Details
Bearing number | 71909 CE/HCP4AL |
Size (mm) | 68x45x12 |
Bore Diameter (mm) | 68 |
Outer Diameter (mm) | 45 |
Width (mm) | 12 |
d | 45 mm |
D | 68 mm |
B | 12 mm |
d1 | 52.7 mm |
d2 | 51 mm |
D1 | 60.3 mm |
b | 2 mm |
C1 | 5.9 mm |
C2 | 2.3 mm |
C3 | 1.8 mm |
r1,2 - min. | 0.6 mm |
r3,4 - min. | 0.3 mm |
a | 14 mm |
da - min. | 48.2 mm |
db - min. | 47 mm |
Da - max. | 64.8 mm |
Db - max. | 66 mm |
ra - max. | 0.6 mm |
rb - max. | 0.3 mm |
dn | 54.2 mm |
Basic dynamic load rating - C | 10.1 kN |
Basic static load rating - C0 | 7 kN |
Fatigue load limit - Pu | 0.29 kN |
Limiting speed for grease lubrication | 34000 r/min |
Limiting speed for oil lubrication | 52000 mm/min |
Ball - Dw | 6.35 mm |
Ball - z | 21 |
Gref | 1.5 cm3 |
Calculation factor - f0 | 8.4 |
Preload class A - GA | 55 N |
Preload class B - GB | 166 N |
Preload class C - GC | 331 N |
Calculation factor - f | 1 |
Calculation factor - f2A | 1 |
Calculation factor - f2B | 1.05 |
Calculation factor - f2C | 1.09 |
Calculation factor - fHC | 1.01 |
Preload class A | 37 N/micron |
Preload class B | 59 N/micron |
Preload class C | 81 N/micron |
r1,2 min. | 0.6 mm |
r3,4 min. | 0.3 mm |
da min. | 48.2 mm |
db min. | 47 mm |
Da max. | 64.8 mm |
Db max. | 66 mm |
ra max. | 0.6 mm |
rb max. | 0.3 mm |
Basic dynamic load rating C | 10.1 kN |
Basic static load rating C0 | 6.95 kN |
Fatigue load limit Pu | 0.29 kN |
Attainable speed for grease lubrication | 34000 r/min |
Attainable speed for oil-air lubrication | 52000 r/min |
Ball diameter Dw | 6.35 mm |
Number of balls z | 21 |
Reference grease quantity Gref | 1.5 cm³ |
Preload class A GA | 55 N |
Static axial stiffness, preload class A | 37 N/µm |
Preload class B GB | 166 N |
Static axial stiffness, preload class B | 59 N/µm |
Preload class C GC | 331 N |
Static axial stiffness, preload class C | 81 N/µm |
Calculation factor f | 1.09 |
Calculation factor f1 | 1 |
Calculation factor f2A | 1 |
Calculation factor f2B | 1.05 |
Calculation factor f2C | 1.09 |
Calculation factor fHC | 1.01 |
Calculation factor f0 | 8.4 |
Mass bearing | 0.12 kg |
Company Profile
Worktime |
9.00--18.00 |
Phone |
0065-31591338 |
Fax |
0065-31591338 |