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Single row cylindrical roller bearings

NU.2203.E.G15 - SNR

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.

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter17 mm
D - External diameter40 mm
B - Bearing/Inner ring width16 mm
E - Upper roller diameter35,1 mm
F - Under roller diameter22,1 mm
D1 - OR flange inner diameter32,5 mm
rs - Min fillet radius0,6 mm
r1s - Min fillet radius0,3 mm
Radial clearance classCN
Mass0,051 kg
PRODUCT PERFORMANCE
C - Dynamic load23,5 kN
C0 - Static load21,1 kN
Cu - Fatigue limit load2,55 kN
N ref - Reference thermal speed13000 tr/min
N lim - Mechanical Limit Speed23000 tr/min
N lim - Oil lubrication limit speed19000 tr/min
N lim - Grease lubrication limit speed15000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)4,25 Hz
BPFI - Over rolling frequency on inner (60 rpm)6,75 Hz
BSF - Over rolling frequency on rolling element (60 rpm)4,173 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,087 Hz
FTF - Rotational frequency - cage (60 rpm)0,386 Hz
ABUTMENT
da min - Min shoulder diameter IR19 mm
da max - Small face shoulder max diameter21 mm
Da max - Max shoulder diameter OR36 mm
ra max - Max fillet radius0,6 mm
r1a - Max fillet radius0,3 mm

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