Needle roller bearing, machined-ring, without inner ring, double-side ribs, lubrication hole
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Product information
| PRODUCT DEFINITION | |
|---|---|
| Brand | NTN |
| Fw - Under rollers diameter | 225 mm |
| D - External diameter | 280 mm |
| C - Width of bearing, drawn cup or outer ring | 80 mm |
| rs - Min fillet radius | 2,1 mm |
| Lubrication hole on outer ring | Oui/Yes |
| k - Hole diameter | 4 mm |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 7,2 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| Cr - Dynamic load rating | 505 kN |
| C0r - Static load rating | 1180 kN |
| N lim - Grease lubrication limit speed | 1200 tr/min |
| N lim - Oil lubrication limit speed | 1800 tr/min |
| Tmin - Min operating temperature | -20 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| Da max - Max shoulder diameter OR | 269 mm |
| ras max - Max shaft & housing fillet radius | 2 mm |