KOYO NQI45/25 needle roller bearings
YOU’LL FIND 250 Outer Diameter (mm) AN 140 Bore Diameter (mm) EXTENSIVE SELECTION OF KOYO NQI45/25 needle roller bearings FOR 140x250x68 Size (mm) SALE.
| Size (mm) | 140x250x68 |
| Bore Diameter (mm) | 140 |
| Outer Diameter (mm) | 250 |
| Width (mm) | 68 |
| d | 140 mm |
| Fw | 169 mm |
| D | 250 mm |
| B | 68 mm |
| C | 68 mm |
| r min. | 3 mm |
| r1 min. | 3 mm |
| Weight | 14.3 Kg |
| Basic dynamic load rating (C) | 572 kN |
| Basic static load rating (C0) | 835 kN |
| (Grease) Lubrication Speed | 2200 r/min |
| Bearing No. | NJ2228R |
| r(min) | 3 |
| r1(min) | 3 |
| Cr | 716 |
| C0r | 835 |
| Cu | 106 |
| Grease lub. | 2200 |
| Oil lub. | 2900 |
| Ew | – |
| d1 | – |
| B1 | – |
| B2 | – |
| da(min) | – |
| db(min) | 153 |
| db(max) | 166 |
| dc(min) | – |
| dd(min) | – |
| Da(max) | 237 |
| Db(max) | – |
| Db(min) | – |
| ra(max) | 2.5 |
| rb(max) | 2.5 |
| (Refer.)Mass(kg) | 14.6 |
Detailed Parameters
parameter：
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