Single row cylindrical roller bearing, floating, separable, polyamide cage
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In the cylindrical roller bearing range, the single row roller bearing withstands high radial loads. The standard ISO ranges (NU, N, NJ, NF, NUP, NH, RNU, HJ) are available with different types of cage, bore diameters, shoulder rings.
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Product information
| PRODUCT DEFINITION | |
|---|---|
| Brand | SNR |
| d - Internal diameter | 80 mm |
| D - External diameter | 170 mm |
| B - Bearing/Inner ring width | 39 mm |
| E - Upper roller diameter | 151 mm |
| F - Under roller diameter | 101 mm |
| d1 - IR flange outer diameter | 110,4 mm |
| rs - Min fillet radius | 2,1 mm |
| r1s - Min fillet radius | 2,1 mm |
| Radial clearance class | CN |
| Mass | 4,12 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 259 kN |
| C0 - Static load | 287 kN |
| Cu - Fatigue limit load | 32,7 kN |
| N ref - Reference thermal speed | 3800 tr/min |
| N lim - Mechanical Limit Speed | 4900 tr/min |
| N lim - Oil lubrication limit speed | 4000 tr/min |
| N lim - Grease lubrication limit speed | 3300 tr/min |
| Tmin - Min operating temperature | -20 °C |
| Tmax - Max operating temperature | 120 °C |
| BEARING FREQUENCIES | |
|---|---|
| BPFO - Over rolling frequency on outer ring (60 rpm) | 5,21 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 7,79 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 4,842 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 2,421 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,401 Hz |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 91 mm |
| Da max - Max shoulder diameter OR | 159 mm |
| Db min - Small face shoulder min diameter | 153 mm |
| Dc max - Max outer ring GO diameter | 147 mm |
| ra max - Max fillet radius | 2 mm |
| r1a - Max fillet radius | 2 mm |
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