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NJ221.EG15 - SNR

NJ221.EG15

Single row cylindrical roller bearing, single direction for axial loads, 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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Technical datasheet

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PRODUCT DEFINITION
BrandSNR
d - Internal diameter105 mm
D - External diameter190 mm
B - Bearing/Inner ring width36 mm
E - Upper roller diameter171,5 mm
F - Under roller diameter125,5 mm
d1 - IR flange outer diameter134,5 mm
D1 - OR flange inner diameter165,1 mm
rs - Min fillet radius2,1 mm
r1s - Min fillet radius2,1 mm
Radial clearance classCN
Mass3,75 kg
Product classification image
PRODUCT PERFORMANCE
C - Dynamic load263 kN
C0 - Static load323 kN
Cu - Fatigue limit load35 kN
Nref - Reference thermal speed3400 tr/min
Nlim - Mechanical Limit Speed4300 tr/min
Nlim - Oil lubrication limit speed3600 tr/min
Nlim - Grease lubrication limit speed3000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Characteristic outer ring frequency (60 rpm)7,184 Hz
BPFI - Characteristic inner ring frequency (60 rpm)9,817 Hz
FTF - Characteristic cage frequency (60 rpm)0,423 Hz
BSF - Characteristic rolling element frequency (60 rpm)6,302 Hz
ABUTMENT
da min - Min shoulder diameter IR116 mm
da max - Small face shoulder max diameter124 mm
db min - Min inner ring GO diameter129 mm
dc min - Min inner ring GO diameter137 mm
Da max - Max shoulder diameter OR179 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius2 mm
Product classification image
Calcul factors image