Bearing number | 729 CD/P4A |
Size (mm) | 26x9x8 |
Bore Diameter (mm) | 26 |
Outer Diameter (mm) | 9 |
Width (mm) | 8 |
d | 9 mm |
D | 26 mm |
B | 8 mm |
d1 | 15.1 mm |
d2 | 15.1 mm |
D1 | 20.9 mm |
r1,2 - min. | 0.3 mm |
r3,4 - min. | 0.2 mm |
a | 6.5 mm |
da - min. | 11.4 mm |
db - min. | 11.4 mm |
Da - max. | 23.6 mm |
Db - max. | 24.2 mm |
ra - max. | 0.3 mm |
rb - max. | 0.2 mm |
dn | 16.3 mm |
Basic dynamic load rating - C | 4.1 kN |
Basic static load rating - C0 | 1.7 kN |
Fatigue load limit - Pu | 0.071 kN |
Limiting speed for grease lubrication | 67000 r/min |
Limiting speed for oil lubrication | 100000 mm/min |
Ball - Dw | 4.762 mm |
Ball - z | 9 |
Gref | 0.258 cm3 |
Calculation factor - f0 | 8.3 |
Preload class A - GA | 15 N |
Preload class B - GB | 30 N |
Preload class C - GC | 60 N |
Preload class D - GD | 120 N |
Calculation factor - f | 1 |
Calculation factor - f2A | 1 |
Calculation factor - f2B | 1.01 |
Calculation factor - f2C | 1.03 |
Calculation factor - f2D | 1.05 |
Calculation factor - fHC | 1 |
Preload class A | 13 N/micron |
Preload class B | 17 N/micron |
Preload class C | 23 N/micron |
Preload class D | 33 N/micron |
r1,2 min. | 0.3 mm |
r3,4 min. | 0.2 mm |
da min. | 11.4 mm |
db min. | 11.4 mm |
Da max. | 23.6 mm |
Db max. | 24.2 mm |
ra max. | 0.3 mm |
rb max. | 0.2 mm |
Basic dynamic load rating C | 4.1 kN |
Basic static load rating C0 | 1.66 kN |
Fatigue load limit Pu | 0.071 kN |
Attainable speed for grease lubrication | 67000 r/min |
Attainable speed for oil-air lubrication | 100000 r/min |
Ball diameter Dw | 4.762 mm |
Number of balls z | 9 |
Reference grease quantity Gref | 0.258 cm³ |
Preload class A GA | 15 N |
Static axial stiffness, preload class A | 13 N/µm |
Preload class B GB | 30 N |
Static axial stiffness, preload class B | 17 N/µm |
Preload class C GC | 60 N |
Static axial stiffness, preload class C | 23 N/µm |
Preload class D GD | 120 N |
Static axial stiffness, preload class D | 33 N/µm |
Calculation factor f | 1.02 |
Calculation factor f1 | 1 |
Calculation factor f2A | 1 |
Calculation factor f2B | 1.01 |
Calculation factor f2C | 1.03 |
Calculation factor f2D | 1.05 |
Calculation factor fHC | 1 |
Calculation factor f0 | 8.3 |
Mass bearing | 0.02 kg |