22264B Spherical Roller Bearings 320*580*150mm
Our highly-skilled and factory-trained service experts have the resources to help you with all 72x55x9 72 Bore Diameter (mm) your 22264B Spherical Roller Bearings 320*580*150mm needs - including routine maintenance, major repairs, warranty JiNan Hope Hydraulic Co., Itd service, and Spherical Roller Oilfield Equipment Bearings equipment inspections.
Min.Order Quantity |
1 pcs |
Price |
Negotiable |
Product Details
Bearing number |
71811 CD/HCP4 |
Size (mm) |
72x55x9 |
Bore Diameter (mm) |
72 |
Outer Diameter (mm) |
55 |
Width (mm) |
9 |
d |
55 mm |
D |
72 mm |
B |
9 mm |
d1 |
60.7 mm |
d2 |
60.7 mm |
D1 |
66.5 mm |
r1,2 - min. |
0.3 mm |
r3,4 - min. |
0.15 mm |
a |
13 mm |
da - min. |
57 mm |
db - min. |
57 mm |
Da - max. |
70 mm |
Db - max. |
71.2 mm |
ra - max. |
0.3 mm |
rb - max. |
0.15 mm |
dn |
61.3 mm |
Basic dynamic load rating - C |
10.1 kN |
Basic static load rating - C0 |
10.8 kN |
Fatigue load limit - Pu |
0.455 kN |
Limiting speed for grease lubrication |
22000 r/min |
Limiting speed for oil lubrication |
32000 mm/min |
Ball - Dw |
4.762 mm |
Ball - z |
29 |
Gref |
0.88 cm3 |
Calculation factor - f0 |
17.1 |
Preload class A - GA |
55 N |
Preload class B - GB |
165 N |
Preload class C - GC |
330 N |
Calculation factor - f |
1 |
Calculation factor - f2A |
1 |
Calculation factor - f2B |
1.1 |
Calculation factor - f2C |
1.18 |
Calculation factor - fHC |
1.02 |
Preload class A |
59 N/micron |
Preload class B |
101 N/micron |
Preload class C |
150 N/micron |
r1,2 min. |
0.3 mm |
r3,4 min. |
0.15 mm |
da min. |
57 mm |
db min. |
57 mm |
Da max. |
70 mm |
Db max. |
71.2 mm |
ra max. |
0.3 mm |
rb max. |
0.15 mm |
Basic dynamic load rating C |
10.1 kN |
Basic static load rating C0 |
10.8 kN |
Fatigue load limit Pu |
0.455 kN |
Attainable speed for grease lubrication |
22000 r/min |
Attainable speed for oil-air lubrication |
32000 r/min |
Ball diameter Dw |
4.762 mm |
Number of balls z |
29 |
Reference grease quantity Gref |
0.88 cm³ |
Preload class A GA |
55 N |
Static axial stiffness, preload class A |
59 N/µm |
Preload class B GB |
165 N |
Static axial stiffness, preload class B |
101 N/µm |
Preload class C GC |
330 N |
Static axial stiffness, preload class C |
150 N/µm |
Calculation factor f |
1.27 |
Calculation factor f1 |
1 |
Calculation factor f2A |
1 |
Calculation factor f2B |
1.1 |
Calculation factor f2C |
1.18 |
Calculation factor fHC |
1.02 |
Calculation factor f0 |
17.1 |
Mass bearing |
0.073 kg |
Company Profile
Worktime |
9:00-18:00(Beijing time) |
Phone |
0531-8299 9953 |