Needle roller bearing, machined-ring, without inner ring, double-side ribs, lubrication hole
3D file
Technical datasheet
| PRODUCT DEFINITION | |
|---|---|
| Brand | NTN |
| Fw - Under rollers diameter | 265 mm |
| D - External diameter | 320 mm |
| C - Width of bearing, drawn cup or outer ring | 80 mm |
| rs - Min fillet radius | 2,1 mm |
| Lubrication hole on outer ring | Yes |
| k - Hole diameter | 4 mm |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 8,4 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| Cr - Dynamic load rating | 540 kN |
| C0r - Static load rating | 1350 kN |
| Nlim - Grease lubrication limit speed | 1000 tr/min |
| Nlim - Oil lubrication limit speed | 1500 tr/min |
| Tmin - Min operating temperature | -20 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| Da max - Max shoulder diameter OR | 309 mm |
| ras max - Max shaft & housing fillet radius | 2 mm |