Needle roller bearing, machined-rings, separable, with inner ring
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Product information
| PRODUCT DEFINITION | |
|---|---|
| Brand | NTN |
| d - Internal diameter | 45 mm |
| D - External diameter | 68 mm |
| C - Width of bearing, drawn cup or outer ring | 20 mm |
| F - Under roller diameter | 55 mm |
| E - Upper roller diameter | 60 mm |
| rs - Min fillet radius | 0,6 mm |
| Lubrication hole on outer ring | Non/No |
| Lubrication hole on inner ring | Non/No |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0,23 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| Cr - Dynamic load rating | 28,8 kN |
| C0r - Static load rating | 66,5 kN |
| N lim - Grease lubrication limit speed | 4800 tr/min |
| N lim - Oil lubrication limit speed | 7500 tr/min |
| Tmin - Min operating temperature | -20 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 54 mm |
| db - Shoulder diameter IR | 59,4 mm |
| Da max - Max shoulder diameter OR | 64 mm |
| Db - OR smooth shaft shoulder diameter | 55,8 mm |
| ras max - Max shaft & housing fillet radius | 0,6 mm |