20 mm x 37 mm x 17 mm KOYO NA4904 needle roller bearings
| Brand Name |
KOYO |
| Model Number |
NA4904 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
KOYO NA4904 bearing Size Chart (mm/inches) |
|---|
| Bearing number | 2309K |
| Size (mm) | 45x100x36 |
| Bore Diameter (mm) | 45 |
| Outer Diameter (mm) | 100 |
| Width (mm) | 36 |
| d | 45 mm |
| D | 100 mm |
| B | 36 mm |
| C | 36 mm |
| r min. | 1.5 mm |
| da min. | 53 mm |
| Da max. | 92 mm |
| ra max. | 1.5 mm |
| Weight | 1.20 Kg |
| Basic dynamic load rating (C) | 54.4 kN |
| Basic static load rating (C0) | 16.7 kN |
| (Grease) Lubrication Speed | 5600 r/min |
| (Oil) Lubrication Speed | 7700 r/min |
| Calculation factor (e) | 0.42 |
| Calculation factor (Y0) | 1.58 |
| Calculation factor (Y1) | 1.51 |