21306CDE4 Spherical Roller Bearings 30*72*19mm
Manufacturers of all JiNan Hope Hydraulic Co., Itd Spherical Roller Oilfield Equipment Bearings are 45 mm d represented in our partial list of clients. Contact Gary for a complete 21306CDE4 Spherical Roller Bearings 30*72*19mm list of clients 16 mm B and projects.
Min.Order Quantity |
1 pcs |
Price |
Negotiable |
Product Details
d |
45 mm |
D |
75 mm |
B |
16 mm |
d1 |
54.2 mm |
d2 |
54.2 mm |
D2 |
68.3 mm |
r1,2 min. |
1 mm |
r3,4 min. |
0.3 mm |
a |
16.1 mm |
da min. |
49.6 mm |
da max. |
53.7 mm |
db min. |
49.6 mm |
db max. |
53.7 mm |
Da max. |
70.4 mm |
Db max. |
73 mm |
ra max. |
1 mm |
rb max. |
0.3 mm |
Basic dynamic load rating C |
28.6 kN |
Basic static load rating C0 |
22.4 kN |
Fatigue load limit Pu |
0.95 kN |
Attainable speed for grease lubrication |
22000 r/min |
Ball diameter Dw |
9.525 mm |
Number of balls z |
17 |
Preload class A GA |
110 N |
Static axial stiffness, preload class A |
62 N/µm |
Preload class B GB |
220 N |
Static axial stiffness, preload class B |
85 N/µm |
Preload class C GC |
440 N |
Static axial stiffness, preload class C |
119 N/µm |
Preload class D GD |
880 N |
Static axial stiffness, preload class D |
172 N/µm |
Calculation factor f |
1.09 |
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 |
1.02 |
Calculation factor f0 |
15.1 |
Mass bearing |
0.2 kg |
Company Profile
Worktime |
9:00-18:00(Beijing time) |
Phone |
0531-8299 9953 |