KOYO 69/1.5 deep groove ball bearings
Find the discount KOYO 69/1.5 deep groove ball bearings online you need . We offer … If you check out our large selection of 75 Bore Diameter (mm) KOYO 69/1.5 deep groove ball bearings once . 75x45x16 Size (mm)
| Size (mm) | 75x45x16 |
| Bore Diameter (mm) | 75 |
| Outer Diameter (mm) | 45 |
| Width (mm) | 16 |
| d | 45 mm |
| D | 75 mm |
| B | 16 mm |
| d1 | 56.44 mm |
| d2 | 55.17 mm |
| D2 | 65.58 mm |
| b | 1.5 mm |
| C1 | 8.6 mm |
| C2 | 3.6 mm |
| C3 | 2.6 mm |
| r1,2 – min. | 1 mm |
| r3,4 – min. | 0.6 mm |
| a | 22.1 mm |
| da – min. | 49.6 mm |
| db – min. | 49.6 mm |
| Da – max. | 70.4 mm |
| Db – max. | 71.8 mm |
| ra – max. | 1 mm |
| rb – max. | 0.6 mm |
| dn | 57.2 mm |
| Basic dynamic load rating – C | 9 kN |
| Basic static load rating – C0 | 6.8 kN |
| Fatigue load limit – Pu | 0.285 kN |
| Limiting speed for grease lubrication | 24000 r/min |
| Limiting speed for oil lubrication | 36000 mm/min |
| Ball – Dw | 5.556 mm |
| Ball – z | 25 |
| Gref | 2.93 cm3 |
| Calculation factor – e | 0.68 |
| Calculation factor – Y2 | 1.41 |
| Calculation factor – Y0 | 0.76 |
| Calculation factor – X2 | 0.67 |
| Calculation factor – Y1 | 0.92 |
| Preload class A – GA | 54 N |
| Preload class B – GB | 110 N |
| Preload class C – GC | 330 N |
| Calculation factor – f | 1.05 |
| Calculation factor – f1 | 0.99 |
| Calculation factor – f2A | 1 |
| Calculation factor – f2B | 1.01 |
| Calculation factor – f2C | 1.04 |
| Calculation factor – fHC | 1 |
| Preload class A | 79 N/micron |
| Preload class B | 103 N/micron |
| Preload class C | 157 N/micron |
| r1,2 min. | 1 mm |
| r3,4 min. | 0.6 mm |
| da min. | 49.6 mm |
| db min. | 49.6 mm |
| Da max. | 70.4 mm |
| Db max. | 71.8 mm |
| ra max. | 1 mm |
| rb max. | 0.6 mm |
| Basic dynamic load rating C | 12.1 kN |
| Basic static load rating C0 | 11.4 kN |
| Fatigue load limit Pu | 0.285 kN |
| Attainable speed for grease lubrication | 24000 r/min |
| Attainable speed for oil-air lubrication | 36000 r/min |
| Ball diameter Dw | 5.556 mm |
| Number of balls z | 25 |
| Reference grease quantity Gref | 2.93 cm³ |
| Preload class A GA | 54 N |
| Static axial stiffness, preload class A | 79 N/µm |
| Preload class B GB | 110 N |
| Static axial stiffness, preload class B | 103 N/µm |
| Preload class C GC | 330 N |
| Static axial stiffness, preload class C | 157 N/µm |
| Calculation factor f | 1.05 |
| Calculation factor f1 | 0.99 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.01 |
| Calculation factor f2C | 1.04 |
| Calculation factor fHC | 1 |
| Calculation factor e | 0.68 |
| Calculation factor (single, tandem) Y2 | 0.87 |
| Calculation factor (single, tandem) Y0 | 0.38 |
| Calculation factor (single, tandem) X2 | 0.41 |
| Calculation factor (back-to-back, face-to-face) Y1 | 0.92 |
| Calculation factor (back-to-back, face-to-face) Y2 | 1.41 |
| Calculation factor (back-to-back, face-to-face) Y0 | 0.76 |
| Calculation factor (back-to-back, face-to-face) X2 | 0.67 |
| Mass bearing | 0.26 kg |
Detailed Parameters
parameter：
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