Bearing 740/742D Timken 740/742D Timken bearing Size Chart (mm/inches) |
|---|
| Bearing number | NF234 |
| Size (mm) | 170x310x52 |
| Bore Diameter (mm) | 170 |
| Outer Diameter (mm) | 310 |
| Width (mm) | 52 |
| d | 170 mm |
| D | 310 mm |
| Ew | 272 mm |
| B | 52 mm |
| C | 52 mm |
| r min. | 4 mm |
| r1 min. | 4 mm |
| Weight | 18.4 Kg |
| Basic dynamic load rating (C) | 475 kN |
| Basic static load rating (C0) | 637 kN |
| (Grease) Lubrication Speed | 1900 r/min |
| Bearing No. | NF234 |
| r(min) | 4 |
| r1(min) | 4 |
| Cr | 596 |
| C0r | 637 |
| Cu | 78.4 |
| Grease lub. | 1900 |
| Oil lub. | 2300 |
| Fw | - |
| d1 | - |
| B1 | - |
| B2 | - |
| da(min) | 186 |
| db(min) | - |
| db(max) | - |
| dc(min) | - |
| dd(min) | - |
| Da(max) | - |
| Db(max) | 294 |
| Db(min) | 280 |
| ra(max) | 3 |
| rb(max) | 3 |
| (Refer.)Mass(kg) | 19.1 |