Timken 320RU30 cylindrical roller bearings

Browse Timken 320RU30 cylindrical roller bearings Categories in the 20x9x6 Size (mm) Manufacturers Online 9 Outer Diameter (mm) Free. 20 Bore Diameter (mm) including .
Size (mm) | 20x9x6 |
Bore Diameter (mm) | 20 |
Outer Diameter (mm) | 9 |
Width (mm) | 6 |
d | 9 mm |
D | 20 mm |
B | 6 mm |
d1 | 12.5 mm |
d2 | 11.76 mm |
D1 | 16.52 mm |
K | 0.5 mm |
C1 | 3.65 mm |
r1,2 – min. | 0.3 mm |
r3,4 – min. | 0.15 mm |
a | 5.2 mm |
da – min. | 11 mm |
db – min. | 11 mm |
Da – max. | 18 mm |
Db – max. | 19.2 mm |
ra – max. | 0.3 mm |
rb – max. | 0.15 mm |
dn | 13.3 mm |
Basic dynamic load rating – C | 2 kN |
Basic static load rating – C0 | 0.8 kN |
Fatigue load limit – Pu | 0.034 kN |
Limiting speed for grease lubrication | 109000 r/min |
Limiting speed for oil lubrication | 165000 mm/min |
Ball – Dw | 3.175 mm |
Ball – z | 11 |
Gref | 0.09 cm3 |
Calculation factor – f0 | 7.4 |
Preload class A – GA | 11 N |
Preload class B – GB | 32 N |
Preload class C – GC | 64 N |
Calculation factor – f | 1 |
Calculation factor – f2A | 1 |
Calculation factor – f2B | 1.04 |
Calculation factor – f2C | 1.08 |
Calculation factor – fHC | 1 |
Preload class A | 10 N/micron |
Preload class B | 16 N/micron |
Preload class C | 21 N/micron |
r1,2 min. | 0.3 mm |
r3,4 min. | 0.15 mm |
da min. | 11 mm |
db min. | 11 mm |
Da max. | 18 mm |
Db max. | 19.2 mm |
ra max. | 0.3 mm |
rb max. | 0.15 mm |
Basic dynamic load rating C | 2.03 kN |
Basic static load rating C0 | 0.8 kN |
Fatigue load limit Pu | 0.034 kN |
Attainable speed for grease lubrication | 109000 r/min |
Attainable speed for oil-air lubrication | 165000 r/min |
Ball diameter Dw | 3.175 mm |
Number of balls z | 11 |
Reference grease quantity Gref | 0.09 cm³ |
Preload class A GA | 11 N |
Static axial stiffness, preload class A | 10 N/µm |
Preload class B GB | 32 N |
Static axial stiffness, preload class B | 16 N/µm |
Preload class C GC | 64 N |
Static axial stiffness, preload class C | 21 N/µm |
Calculation factor f | 1.03 |
Calculation factor f1 | 1 |
Calculation factor f2A | 1 |
Calculation factor f2B | 1.04 |
Calculation factor f2C | 1.08 |
Calculation factor fHC | 1 |
Calculation factor f0 | 7.4 |
Mass bearing | 0.008 kg |
Detailed Parameters
parameter:
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