AST 5216-2RS angular contact ball bearings
AST 5216-2RS angular contact ball bearings Product 28x12x8 Size (mm) Brochures , 12 Outer Diameter (mm) Manufacturing Service . Get Your Free.
Size (mm) | 28x12x8 |
Bore Diameter (mm) | 28 |
Outer Diameter (mm) | 12 |
Width (mm) | 8 |
d | 12 mm |
D | 28 mm |
B | 8 mm |
d1 | 17.5 mm |
d2 | 16.5 mm |
D1 | 22.45 mm |
r1,2 – min. | 0.3 mm |
r3,4 – min. | 0.15 mm |
a | 6.7 mm |
da – min. | 14 mm |
db – min. | 14 mm |
Da – max. | 26 mm |
Db – max. | 26.6 mm |
ra – max. | 0.3 mm |
rb – max. | 0.15 mm |
dn | 18.5 mm |
Basic dynamic load rating – C | 3.2 kN |
Basic static load rating – C0 | 1.3 kN |
Fatigue load limit – Pu | 0.057 kN |
Limiting speed for grease lubrication | 80000 r/min |
Limiting speed for oil lubrication | 127000 mm/min |
Ball – Dw | 3.969 mm |
Ball – z | 12 |
Gref | 0.31 cm3 |
Calculation factor – f0 | 7.3 |
Preload class A – GA | 17 N |
Preload class B – GB | 53 N |
Preload class C – GC | 110 N |
Calculation factor – f | 1 |
Calculation factor – f2A | 1 |
Calculation factor – f2B | 1.03 |
Calculation factor – f2C | 1.05 |
Calculation factor – fHC | 1 |
Preload class A | 13 N/micron |
Preload class B | 21 N/micron |
Preload class C | 30 N/micron |
r1,2 min. | 0.3 mm |
r3,4 min. | 0.15 mm |
da min. | 14 mm |
db min. | 14 mm |
Da max. | 26 mm |
Db max. | 26.6 mm |
ra max. | 0.3 mm |
rb max. | 0.15 mm |
Basic dynamic load rating C | 3.19 kN |
Basic static load rating C0 | 1.34 kN |
Fatigue load limit Pu | 0.057 kN |
Attainable speed for grease lubrication | 80000 r/min |
Attainable speed for oil-air lubrication | 127000 r/min |
Ball diameter Dw | 3.969 mm |
Number of balls z | 12 |
Reference grease quantity Gref | 0.31 cm³ |
Preload class A GA | 17 N |
Static axial stiffness, preload class A | 13 N/µm |
Preload class B GB | 53 N |
Static axial stiffness, preload class B | 21 N/µm |
Preload class C GC | 110 N |
Static axial stiffness, preload class C | 30 N/µm |
Calculation factor f | 1.02 |
Calculation factor f1 | 1 |
Calculation factor f2A | 1 |
Calculation factor f2B | 1.03 |
Calculation factor f2C | 1.05 |
Calculation factor fHC | 1 |
Calculation factor f0 | 7.3 |
Mass bearing | 0.021 kg |
Detailed Parameters
parameter:
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