KOYO 55206/55437 tapered roller bearings
| Brand Name |
KOYO |
| Model Number |
55206/55437 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
KOYO 55206/55437 bearing Size Chart (mm/inches) |
|---|
| Bearing number | 1209SK |
| Size (mm) | 45x85x19 |
| Bore Diameter (mm) | 45 |
| Outer Diameter (mm) | 85 |
| Width (mm) | 19 |
| d | 45 mm |
| D | 85 mm |
| B | 19 mm |
| C | 19 mm |
| r min. | 1,1 mm |
| da min. | 51,5 mm |
| Da max. | 78,5 mm |
| ra max. | 1 mm |
| Weight | 0,465 Kg |
| Basic dynamic load rating (C) | 22 kN |
| Basic static load rating (C0) | 7,35 kN |
| (Grease) Lubrication Speed | 7 100 r/min |
| (Oil) Lubrication Speed | 8 500 r/min |
| Calculation factor (e) | 0,21 |
| Calculation factor (Y0) | 3,1 |
| Calculation factor (Y1) | 3 |
| rs min | 1.1 mm |
| Associated sleeve reference | H209X |
| e | 0.21 |
| Y1 | 3 |
| Y2 | 4.7 |
| Y0 | 3.1 |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0.46 kg |
| Dynamic load, C | 22 kN |
| Static load, C0 | 7.35 kN |
| Nlim (oil) | 8,500 rpm |
| Nlim (grease) | 7,100 rpm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| da min | 51.5 mm |
| da max | 57 mm |
| db min | 49 mm |
| Ce min | 5 mm |
| Da max | 78.5 mm |
| ra max | 1 mm |