70 mm x 125 mm x 24 mm NKE 1214-K self aligning ball bearings
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What is 1214-K bearing interchange？
| Brand Name: | NKE |
| Model Number: | 1214-K |
| d: | 30 mm |
| D: | 55 mm |
| B: | 13 mm |
| d1: | 37.7 mm |
| d2: | 37.7 mm |
| D1: | 47.3 mm |
| r1,2 min.: | 1 mm |
| r3,4 min.: | 0.3 mm |
| PDF |
1214-K |
Product Details
| d | 30 mm |
| D | 55 mm |
| B | 13 mm |
| d1 | 37.7 mm |
| d2 | 37.7 mm |
| D1 | 47.3 mm |
| r1,2 min. | 1 mm |
| r3,4 min. | 0.3 mm |
| a | 16.6 mm |
| da min. | 34.6 mm |
| db min. | 34.6 mm |
| Da max. | 50.4 mm |
| Db max. | 53 mm |
| ra max. | 1 mm |
| rb max. | 0.3 mm |
| Basic dynamic load rating C | 13.8 kN |
| Basic static load rating C0 | 7.65 kN |
| Fatigue load limit Pu | 0.325 kN |
| Attainable speed for grease lubrication | 34000 r/min |
| Ball diameter Dw | 7.938 mm |
| Number of balls z | 14 |
| Reference grease quantity Gref | 1.59 cm³ |
| Preload class A GA | 90 N |
| Static axial stiffness, preload class A | 88 N/µm |
| Preload class B GB | 180 N |
| Static axial stiffness, preload class B | 113 N/µm |
| Preload class C GC | 360 N |
| Static axial stiffness, preload class C | 147 N/µm |
| Preload class D GD | 720 N |
| Static axial stiffness, preload class D | 195 N/µm |
| Calculation factor f | 1.06 |
| 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 | 1.02 |
| Calculation factor e | 0.68 |
| Calculation factor (single, tandem) Y2 | 0.87 |
| Calculation factor (back-to-back, face-to-face) Y1 | 0.92 |
| Calculation factor (back-to-back, face-to-face) Y2 | 1.41 |
| Mass bearing | 0.095 kg |
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