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 |