 Timken 307K deep groove ball bearings
  Timken 307K deep groove ball bearings
                                
Manufacturers of all are represented in our partial list 80 Bore Diameter (mm) of clients. Contact Gary for 80x50x16 Size (mm) a complete Timken 307K deep groove ball bearings list of clients and 50 Outer Diameter (mm) projects.
| Size (mm) | 80x50x16 | 
| Bore Diameter (mm) | 80 | 
| Outer Diameter (mm) | 50 | 
| Width (mm) | 16 | 
| d | 50 mm | 
| D | 80 mm | 
| B | 16 mm | 
| d1 | 60.25 mm | 
| d2 | 57.9 mm | 
| D1 | 69.75 mm | 
| b | 1.7 mm | 
| C1 | 8.6 mm | 
| C2 | 2.7 mm | 
| C3 | 3 mm | 
| r1,2 – min. | 1 mm | 
| r3,4 – min. | 0.6 mm | 
| a | 16.8 mm | 
| da – min. | 54.6 mm | 
| db – min. | 54.6 mm | 
| Da – max. | 75.4 mm | 
| Db – max. | 75.8 mm | 
| ra – max. | 1 mm | 
| rb – max. | 0.6 mm | 
| dn | 62.3 mm | 
| Basic dynamic load rating – C | 15.6 kN | 
| Basic static load rating – C0 | 10.6 kN | 
| Fatigue load limit – Pu | 0.45 kN | 
| Limiting speed for grease lubrication | 25000 r/min | 
| Limiting speed for oil lubrication | 38000 mm/min | 
| Ball – Dw | 7.938 mm | 
| Ball – z | 21 | 
| Gref | 4.1 cm3 | 
| Calculation factor – f0 | 8.2 | 
| Preload class A – GA | 85 N | 
| Preload class B – GB | 250 N | 
| Preload class C – GC | 500 N | 
| Calculation factor – f | 1 | 
| Calculation factor – f2A | 1 | 
| Calculation factor – f2B | 1.03 | 
| Calculation factor – f2C | 1.05 | 
| Calculation factor – fHC | 1 | 
| Preload class A | 42 N/micron | 
| Preload class B | 65 N/micron | 
| Preload class C | 88 N/micron | 
| r1,2 min. | 1 mm | 
| r3,4 min. | 0.6 mm | 
| da min. | 54.6 mm | 
| db min. | 54.6 mm | 
| Da max. | 75.4 mm | 
| Db max. | 75.8 mm | 
| ra max. | 1 mm | 
| rb max. | 0.6 mm | 
| Basic dynamic load rating C | 15.6 kN | 
| Basic static load rating C0 | 10.6 kN | 
| Fatigue load limit Pu | 0.45 kN | 
| Attainable speed for grease lubrication | 25000 r/min | 
| Attainable speed for oil-air lubrication | 38000 r/min | 
| Ball diameter Dw | 7.938 mm | 
| Number of balls z | 21 | 
| Reference grease quantity Gref | 4.1 cm³ | 
| Preload class A GA | 85 N | 
| Static axial stiffness, preload class A | 42 N/µm | 
| Preload class B GB | 250 N | 
| Static axial stiffness, preload class B | 65 N/µm | 
| Preload class C GC | 500 N | 
| Static axial stiffness, preload class C | 88 N/µm | 
| Calculation factor f | 1.08 | 
| Calculation factor f1 | 1 | 
| Calculation factor f2A | 1 | 
| Calculation factor f2B | 1.03 | 
| Calculation factor f2C | 1.05 | 
| Calculation factor fHC | 1 | 
| Calculation factor f0 | 8.2 | 
| Mass bearing | 0.25 kg | 
 Detailed  Parameters
  Detailed  Parameters
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