KOYO EE640191/640260 tapered roller bearings
What is KOYO EE640191/640260 tapered roller bearings in mechanical 240x320x80 Size (mm) engineering? Manufacturing Service . Upload your CAD file for an instant.
| Size (mm) | 240x320x80 |
| Bore Diameter (mm) | 240 |
| Outer Diameter (mm) | 320 |
| Width (mm) | 80 |
| d | 240 mm |
| Fw | 263 mm |
| D | 320 mm |
| B | 80 mm |
| C | 80 mm |
| r min. | 2,1 mm |
| da min. | 251 mm |
| da max | 260 mm |
| Da max. | 309 mm |
| db min | 269 mm |
| ra max. | 2 mm |
| Weight | 18 Kg |
| Basic dynamic load rating (C) | 588 kN |
| Basic static load rating (C0) | 1340 kN |
| (Grease) Lubrication Speed | 1600 r/min |
| Bearing No. | NNU4948 |
| r(min) | 2.1 |
| Cr | 736 |
| C0r | 1340 |
| Cu | 155 |
| Grease lub. | 1600 |
| Oil lub. | 1900 |
| Ew | – |
| da(min) | 251 |
| da(max) | 260 |
| db(min) | 269 |
| Da(max) | 309 |
| Da(min) | – |
| ra(max) | 2 |
| (Refer.)Mass(kg) | 18.0 |
Detailed Parameters
parameter：
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