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Needle roller bearing, machined-rings, with inner ring, double-side ribs
Downloads3D file
Technical datasheet
Contact usSpecsPRODUCT DEFINITION | | d - Internal diameter | 220 mm |
| D - External diameter | 270 mm |
| C - Width of bearing, drawn cup or outer ring | 50 mm |
| F - Under roller diameter | 240 mm |
| rs - Min fillet radius | 1,5 mm |
| s - Max axial offset | 1,5 mm |
| Lubrication hole on outer ring | Yes |
| k - Hole diameter | 4 mm |
| Lubrication hole on inner ring | No |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 6,37 kg |
| Brand | NTN |
PRODUCT PERFORMANCE | | Cr - Dynamic load rating | 244 kN |
| C0r - Static load rating | 780 kN |
| Nlim - Grease lubrication limit speed | 1100 tr/min |
| Nlim - Oil lubrication limit speed | 1700 tr/min |
| Tmin - Min operating temperature | -20 °C |
| Tmax - Max operating temperature | 120 °C |
ABUTMENT | | da min - Min shoulder diameter IR | 228 mm |
| Da max - Max shoulder diameter OR | 262 mm |
| ras max - Max shaft & housing fillet radius | 1,5 mm |
