KOYO NUP307R cylindrical roller bearings

are a few brands 22x8x7 Size (mm) you will find in our inventory. Find KOYO NUP307R cylindrical roller bearings to see what’s in stock!
Size (mm) | 22x8x7 |
Bore Diameter (mm) | 22 |
Outer Diameter (mm) | 8 |
Width (mm) | 7 |
d | 8 mm |
D | 22 mm |
B | 7 mm |
d1 | 12.6 mm |
d2 | 12.6 mm |
D1 | 17.4 mm |
K | 0.5 mm |
C1 | 4.25 mm |
r1,2 – min. | 0.3 mm |
r3,4 – min. | 0.2 mm |
a | 5.5 mm |
da – min. | 10 mm |
db – min. | 10 mm |
Da – max. | 20 mm |
Db – max. | 20.6 mm |
ra – max. | 0.3 mm |
rb – max. | 0.2 mm |
dn | 13.6 mm |
Basic dynamic load rating – C | 3.2 kN |
Basic static load rating – C0 | 1.4 kN |
Fatigue load limit – Pu | 0.057 kN |
Limiting speed for grease lubrication | 90000 r/min |
Limiting speed for oil lubrication | 130000 mm/min |
Ball – Dw | 3.969 mm |
Ball – z | 9 |
Gref | 0.15 cm3 |
Calculation factor – f0 | 8.4 |
Preload class A – GA | 10 N |
Preload class B – GB | 20 N |
Preload class C – GC | 40 N |
Preload class D – GD | 80 N |
Calculation factor – f | 1 |
Calculation factor – f2A | 1 |
Calculation factor – f2B | 1.02 |
Calculation factor – f2C | 1.05 |
Calculation factor – f2D | 1.09 |
Calculation factor – fHC | 1 |
Preload class A | 11 N/micron |
Preload class B | 14 N/micron |
Preload class C | 19 N/micron |
Preload class D | 27 N/micron |
r1,2 min. | 0.3 mm |
r3,4 min. | 0.2 mm |
da min. | 10 mm |
db min. | 10 mm |
Da max. | 20 mm |
Db max. | 20.6 mm |
ra max. | 0.3 mm |
rb max. | 0.2 mm |
Basic dynamic load rating C | 3.25 kN |
Basic static load rating C0 | 1.37 kN |
Fatigue load limit Pu | 0.057 kN |
Attainable speed for grease lubrication | 90000 r/min |
Attainable speed for oil-air lubrication | 130000 r/min |
Ball diameter Dw | 3.969 mm |
Number of balls z | 9 |
Reference grease quantity Gref | 0.15 cm³ |
Preload class A GA | 10 N |
Static axial stiffness, preload class A | 11 N/µm |
Preload class B GB | 20 N |
Static axial stiffness, preload class B | 14 N/µm |
Preload class C GC | 40 N |
Static axial stiffness, preload class C | 19 N/µm |
Preload class D GD | 80 N |
Static axial stiffness, preload class D | 27 N/µm |
Calculation factor f | 1.02 |
Calculation factor f1 | 1 |
Calculation factor f2A | 1 |
Calculation factor f2B | 1.02 |
Calculation factor f2C | 1.05 |
Calculation factor f2D | 1.09 |
Calculation factor fHC | 1 |
Calculation factor f0 | 8.4 |
Mass bearing | 0.012 kg |
Detailed Parameters
parameter:
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