ST491B Agricultural Bearing
| Model Number |
18mm |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
ST491B Agricultural Bearing Size Chart (mm/inches) |
|---|
| Bearing number | 7026 CD/P4AH1 |
| Size (mm) | 200x130x33 |
| Bore Diameter (mm) | 200 |
| Outer Diameter (mm) | 130 |
| Width (mm) | 33 |
| d | 130 mm |
| D | 200 mm |
| B | 33 mm |
| d1 | 151.6 mm |
| d2 | 151.6 mm |
| D1 | 178.4 mm |
| K | 0.5 mm |
| C1 | 8.9 mm |
| r1,2 - min. | 2 mm |
| r3,4 - min. | 1 mm |
| a | 38.7 mm |
| da - min. | 139 mm |
| db - min. | 139 mm |
| Da - max. | 191 mm |
| Db - max. | 195 mm |
| ra - max. | 2 mm |
| rb - max. | 1 mm |
| dn | 156.4 mm |
| Basic dynamic load rating - C | 148 kN |
| Basic static load rating - C0 | 156 kN |
| Fatigue load limit - Pu | 5.2 kN |
| Limiting speed for grease lubrication | 7000 r/min |
| Limiting speed for oil lubrication | 10000 mm/min |
| Ball - Dw | 22.225 mm |
| Ball - z | 21 |
| Gref | 42 cm3 |
| Calculation factor - f0 | 15.6 |
| Preload class A - GA | 560 N |
| Preload class B - GB | 1120 N |
| Preload class C - GC | 2240 N |
| Preload class D - GD | 4480 N |
| Calculation factor - f | 1.15 |
| Calculation factor - f | 1 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.02 |
| Calculation factor - f2C | 1.05 |
| Calculation factor - f2D | 1.09 |
| Calculation factor - fHC | 1 |
| Preload class A | 145 N/micron |
| Preload class B | 198 N/micron |
| Preload class C | 277 N/micron |
| Preload class D | 400 N/micron |
| d1 | 151.6 mm |
| d2 | 151.6 mm |
| D1 | 178.4 mm |
| C1 | 8.9 mm |
| r1,2 min. | 2 mm |
| r3,4 min. | 1 mm |
| da min. | 139 mm |
| db min. | 139 mm |
| Da max. | 191 mm |
| Db max. | 195 mm |
| ra max. | 2 mm |
| rb max. | 1 mm |
| dn | 156.4 mm |
| Basic dynamic load rating C | 148 kN |
| Basic static load rating C0 | 156 kN |
| Fatigue load limit Pu | 5.2 kN |
| Attainable speed for grease lubrication | 7000 r/min |
| Attainable speed for oil-air lubrication | 10000 r/min |
| Ball diameter Dw | 22.225 mm |
| Number of balls z | 21 |
| Reference grease quantity Gref | 42 cm³ |
| Preload class A GA | 560 N |
| Static axial stiffness, preload class A | 145 N/µm |
| Preload class B GB | 1120 N |
| Static axial stiffness, preload class B | 198 N/µm |
| Preload class C GC | 2240 N |
| Static axial stiffness, preload class C | 277 N/µm |
| Preload class D GD | 4480 N |
| Static axial stiffness, preload class D | 400 N/µm |
| Calculation factor f | 1.15 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.02 |
| Calculation factor f2C | 1.05 |
| Calculation factor f2D | 1.09 |
| Calculation factor fHC | 1 |
| Calculation factor f0 | 15.6 |
| Mass bearing | 3.23 kg |