BK 5025 Drawn Cup Needle Roller Bearing
| Model Number |
21mm |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
BK 5025 Drawn Cup Needle Roller Bearing Size Chart (mm/inches) |
|---|
| Bearing number | 706 ACE/HCP4A |
| Size (mm) | 6x17x6 |
| Bore Diameter (mm) | 6 |
| Outer Diameter (mm) | 17 |
| Width (mm) | 6 |
| d | 6 mm |
| D | 17 mm |
| B | 6 mm |
| C | 6 mm |
| d1 | 9,2 mm |
| d2 | 8,7 mm |
| r1 min. | 0,3 mm |
| r2 min. | 0,3 mm |
| r3 min. | 0,15 mm |
| r4 min. | 0,15 mm |
| D1 | 13,9 mm |
| D2 | – mm |
| da min. | 8 mm |
| Da max. | 15 mm |
| db min | 8 mm |
| ra max. | 0,3 mm |
| rb max. | 0,15 mm |
| dh | 10,1 mm |
| Db max | 15,6 mm |
| Weight | 0,005 Kg |
| Basic dynamic load rating (C) | 1,51 kN |
| Basic static load rating (C0) | 0,49 kN |
| (Grease) Lubrication Speed | 150 000 r/min |
| (Oil) Lubrication Speed | 230 000 r/min |
| Fatigue load limit (Pu) | 0,02 |
| d1 | 9.2 mm |
| d2 | 8.7 mm |
| D1 | 13.9 mm |
| r1,2 min. | 0.3 mm |
| r3,4 min. | 0.15 mm |
| a | 5.8 mm |
| da min. | 8 mm |
| db min. | 8 mm |
| Da max. | 15 mm |
| Db max. | 15.6 mm |
| ra max. | 0.3 mm |
| rb max. | 0.15 mm |
| dn | 10.1 mm |
| Basic dynamic load rating C | 1.51 kN |
| Basic static load rating C0 | 0.49 kN |
| Fatigue load limit Pu | 0.02 kN |
| Attainable speed for grease lubrication | 150000 r/min |
| Attainable speed for oil-air lubrication | 230000 r/min |
| Ball diameter Dw | 3.175 mm |
| Number of balls z | 8 |
| Reference grease quantity Gref | 0.09 cm³ |
| Preload class A GA | 14 N |
| Static axial stiffness, preload class A | 21 N/µm |
| Preload class B GB | 41 N |
| Static axial stiffness, preload class B | 31 N/µm |
| Preload class C GC | 82 N |
| Static axial stiffness, preload class C | 41 N/µm |
| Calculation factor f | 1.02 |
| Calculation factor f1 | 0.99 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.03 |
| Calculation factor f2C | 1.06 |
| Calculation factor fHC | 1.01 |
| 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 | 0.005 kg |