Single row cylindrical roller bearing, locating, separable, polyamide cage
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 DEFINITION | |
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Brand | SNR |
d - Internal diameter | 85 mm |
D - External diameter | 180 mm |
B - Bearing/Inner ring width | 41 mm |
E - Upper roller diameter | 160 mm |
F - Under roller diameter | 108 mm |
d1 - IR flange outer diameter | 117,8 mm |
D1 - OR flange inner diameter | 152,7 mm |
rs - Min fillet radius | 3 mm |
r1s - Min fillet radius | 3 mm |
Radial clearance class | CN |
Mass | 5,2 kg |
PRODUCT PERFORMANCE | |
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C - Dynamic load | 279 kN |
C0 - Static load | 312 kN |
Cu - Fatigue limit load | 34,9 kN |
Nref - Reference thermal speed | 3700 tr/min |
Nlim - Mechanical Limit Speed | 4600 tr/min |
Nlim - Oil lubrication limit speed | 3700 tr/min |
Nlim - Grease lubrication limit speed | 3100 tr/min |
Tmin - Min operating temperature | -20 °C |
Tmax - Max operating temperature | 120 °C |
BEARING FREQUENCIES | |
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BPFO - Characteristic outer ring frequency (60 rpm) | 5,239 Hz |
BPFI - Characteristic inner ring frequency (60 rpm) | 7,761 Hz |
FTF - Characteristic cage frequency (60 rpm) | 0,403 Hz |
BSF - Characteristic rolling element frequency (60 rpm) | 4,96 Hz |
ABUTMENT | |
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da min - Min shoulder diameter IR | 98 mm |
dc min - Min inner ring GO diameter | 119 mm |
Da max - Max shoulder diameter OR | 167 mm |
ra max - Max fillet radius | 2,5 mm |
r1a - Max fillet radius | 2,5 mm |
![Calcul factors image](https://eshop-api.ntn-snr.com/medias/CRB-1R-EN.jpg?context=bWFzdGVyfHJvb3R8NjMxOHxpbWFnZS9qcGVnfGhhNi9oOGEvODkzNzY5MDY5MzY2Mi9DUkJfMVJfRU4uanBnfDk5YjE5ODVkZmU1YzU0YTY3ZDEzY2Q0MjYyZTU2ZDUyZTFiMjZiZDkxOWM4NDlhMDM4NDdkYWZjYmY1MDExOTc)