SIGMA NMJ 7/8 self aligning ball bearings
QuestionSIGMA NMJ 7/8 self aligning ball bearings ? Find what 240x160x38 Size (mm) you need faster by entering your information .
| Size (mm) | 240x160x38 |
| Bore Diameter (mm) | 240 |
| Outer Diameter (mm) | 160 |
| Width (mm) | 38 |
| d | 160 mm |
| D | 240 mm |
| B | 38 mm |
| d1 | 184.7 mm |
| d2 | 184.7 mm |
| D1 | 215.3 mm |
| b | 2.8 mm |
| C1 | 21.2 mm |
| C2 | 7.1 mm |
| C3 | 6.6 mm |
| r1,2 – min. | 2.1 mm |
| r3,4 – min. | 1 mm |
| a | 65.9 mm |
| da – min. | 171 mm |
| db – min. | 171 mm |
| Da – max. | 229 mm |
| Db – max. | 235 mm |
| ra – max. | 2 mm |
| rb – max. | 1 mm |
| dn | 191.4 mm |
| Basic dynamic load rating – C | 182 kN |
| Basic static load rating – C0 | 204 kN |
| Fatigue load limit – Pu | 6.2 kN |
| Limiting speed for grease lubrication | 5000 r/min |
| Limiting speed for oil lubrication | 7500 mm/min |
| Ball – Dw | 25.4 mm |
| Ball – z | 22 |
| Gref | 66 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 | 1150 N |
| Preload class B – GB | 2300 N |
| Preload class C – GC | 4600 N |
| Preload class D – GD | 9200 N |
| Calculation factor – f | 1.16 |
| Calculation factor – f1 | 0.99 |
| Calculation factor – f2A | 1 |
| Calculation factor – f2B | 1.02 |
| Calculation factor – f2C | 1.05 |
| Calculation factor – f2D | 1.08 |
| Calculation factor – fHC | 1 |
| Preload class A | 414 N/micron |
| Preload class B | 540 N/micron |
| Preload class C | 717 N/micron |
| Preload class D | 968 N/micron |
| r1,2 min. | 2.1 mm |
| r3,4 min. | 1 mm |
| da min. | 171 mm |
| db min. | 171 mm |
| Da max. | 229 mm |
| Db max. | 235 mm |
| ra max. | 2 mm |
| rb max. | 1 mm |
| Basic dynamic load rating C | 182 kN |
| Basic static load rating C0 | 204 kN |
| Fatigue load limit Pu | 6.2 kN |
| Attainable speed for grease lubrication | 5000 r/min |
| Attainable speed for oil-air lubrication | 7500 r/min |
| Ball diameter Dw | 25.4 mm |
| Number of balls z | 22 |
| Reference grease quantity Gref | 66 cm³ |
| Preload class A GA | 1150 N |
| Static axial stiffness, preload class A | 414 N/µm |
| Preload class B GB | 2300 N |
| Static axial stiffness, preload class B | 540 N/µm |
| Preload class C GC | 4600 N |
| Static axial stiffness, preload class C | 717 N/µm |
| Preload class D GD | 9200 N |
| Static axial stiffness, preload class D | 968 N/µm |
| Calculation factor f | 1.16 |
| Calculation factor f1 | 0.99 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.02 |
| Calculation factor f2C | 1.05 |
| Calculation factor f2D | 1.08 |
| 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 | 5.15 kg |
Detailed Parameters
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