N23 KOYO Single-row cylindrical roller bearings
| Brand Name: | KOYO |
| Model Number: | N23 |
| d: | 20 mm |
| D: | 42 mm |
| B: | 12 mm |
| d1: | 26.6 mm |
| d2: | 24.8 mm |
| D1: | 34.21 mm |
| r1,2 min.: | 0.6 mm |
| r3,4 min.: | 0.3 mm |
Product Details
| d | 20 mm |
| D | 42 mm |
| B | 12 mm |
| d1 | 26.6 mm |
| d2 | 24.8 mm |
| D1 | 34.21 mm |
| r1,2 min. | 0.6 mm |
| r3,4 min. | 0.3 mm |
| a | 10.2 mm |
| da min. | 22 mm |
| db min. | 22 mm |
| Da max. | 40 mm |
| Db max. | 39.6 mm |
| ra max. | 0.6 mm |
| rb max. | 0.3 mm |
| Basic dynamic load rating C | 7.41 kN |
| Basic static load rating C0 | 3.35 kN |
| Fatigue load limit Pu | 0.143 kN |
| Attainable speed for grease lubrication | 54000 r/min |
| Ball diameter Dw | 6.35 mm |
| Number of balls z | 12 |
| Reference grease quantity Gref | 1.1 cm³ |
| Preload class A GA | 40 N |
| Static axial stiffness, preload class A | 21 N/µm |
| Preload class B GB | 120 N |
| Static axial stiffness, preload class B | 32 N/µm |
| Preload class C GC | 235 N |
| Static axial stiffness, preload class C | 44 N/µm |
| Calculation factor f | 1.04 |
| 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 | 7.2 |
| Mass bearing | 0.064 kg |
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