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Double row angular contact ball bearings

5202.NRZZG15 - SNR

5202.NRZZG15

Double row angular contact ball bearing, polyamide cage, snap ring and groove on outer diameter, shield on both sides

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter15 mm
D - External diameter35 mm
B - Bearing/Inner ring width15,9 mm
d1 - External diameter inner ring21,1 mm
D1 - Inner diameter outer ring31,5 mm
a - Charge load application point18 mm
α - Contact angle25 °
a min - Min position Groove1,9 mm
a max - Max position groove2,06 mm
rs - Min fillet radius0,6 mm
rNs - Min fillet radius0,6 mm
D3 - Max bottom groove diameter33,17 mm
b min - Min groove width1,35 mm
b max - Max groove width1,65 mm
r0 max - Max bottom groove radius0,4 mm
D4 max - Max outer diameter of assembled stop ring39,7 mm
f - Stop ring thickness1,07 mm
Snap ring referenceR 35
Radial clearance classCN
Precision classP0
Mass0,058 kg
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PRODUCT PERFORMANCE
C - Dynamic load11,4 kN
C0 - Static load7,1 kN
Cu - Fatigue limit load0,48 kN
f0 - Coefficient13.5
N ref - Reference thermal speed14000 tr/min
N lim - Mechanical Limit Speed16000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)3,13 Hz
BPFI - Over rolling frequency on inner (60 rpm)4,87 Hz
BSF - Over rolling frequency on rolling element (60 rpm)3,97 Hz
BRF - Rotational frequency – rolling element (60 rpm)1,985 Hz
FTF - Rotational frequency - cage (60 rpm)0,391 Hz
ABUTMENT
da min - Min shoulder diameter IR19 mm
da max - Max shoulder diameter IR21,1 mm
Da max - Max shoulder diameter OR31 mm
Ca min - Mini segment position2,92 mm
Ca max - Max segment position3,18 mm
ra max - Max shaft & housing fillet radius0,6 mm
rNa max - Max fillet radius on segment side0,6 mm
Db min - Min stop ring position diameter40,4 mm
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