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 |
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