71820ACD/P4DGA SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,71800 Series,25 Degree Contact Angle
71820ACD/P4DGA SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,71800 Series,25 Degree Contact Angle 70.8 mm Db max. Manufacturers , 0.6 mm r3,4 min. Online Wholesale Suppliers China Abec 9 Bearings Supplier !
Brand Name: | SKF |
Model Number: | 71820ACD/P4DGA |
r3,4 min.: | 0.6 mm |
Db max.: | 70.8 mm |
d2: | 53.6 mm |
d1: | 55.7 mm |
Calculation factor f2B: | 1.03 |
Preload class B GB: | 210 N |
d: | 45 mm |
Number of balls z: | 21 |
Product Details
r3,4 min. | 0.6 mm |
Db max. | 70.8 mm |
d2 | 53.6 mm |
d1 | 55.7 mm |
Calculation factor f2B | 1.03 |
Preload class B GB | 210 N |
d | 45 mm |
Number of balls z | 21 |
Fatigue load limit Pu | 0.36 kN |
Preload class C GC | 410 N |
Calculation factor f1 | 1 |
Calculation factor f2C | 1.05 |
Attainable speed for grease lubrication | 32000 r/min |
Static axial stiffness, preload class C | 88 N/µm |
Static axial stiffness, preload class A | 42 N/µm |
D1 | 64.25 mm |
Reference grease quantity Gref | 3.4 cm³ |
Ball diameter Dw | 7.144 mm |
Basic dynamic load rating C | 13 kN |
Da max. | 70.4 mm |