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30217A - SNR

30217A

The single row tapered roller bearing is available in metric dimensions (ISO 355 and JIS B 1512 standards) and in inches (ABMA standard, metric series including J). The single row in tapered roller bearing range, is the most widely used and is generally mounted in opposition.

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter85 mm
D - External diameter150 mm
B - Bearing/Inner ring width28 mm
C - Outer ring width24 mm
T - Total width30,5 mm
d1 - External diameter inner ring112,9 mm
a - Charge load application point30,3 mm
rs - Min fillet radius2,5 mm
r1s - Min fillet radius2 mm
Mass2,06 kg
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PRODUCT PERFORMANCE
C - Dynamic load194 kN
A2 - Rating life coefficient1
C0 - Static load237 kN
Cu - Fatigue limit load27,6 kN
e - Coefficient0.42
Y0 - Static axial load coefficient0.79
Y2 - Upper axial load coefficient1.43
N ref - Reference thermal speed3100 tr/min
N lim - Mechanical Limit Speed4800 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)8,574 Hz
BPFI - Over rolling frequency on inner (60 rpm)11,426 Hz
BSF - Over rolling frequency on rolling element (60 rpm)6,617 Hz
BRF - Rotational frequency – rolling element (60 rpm)3,309 Hz
FTF - Rotational frequency - cage (60 rpm)0,429 Hz
ABUTMENT
da max - Max shoulder diameter IR97 mm
db min - Min IR shoulder diameter95 mm
Da min - Min shoulder diameter OR132 mm
Da max - Max shoulder diameter OR140 mm
Db min - Min OR shoulder diameter141 mm
Ca - Min clearance5 mm
Cb - Min clearance6,5 mm
ra max - Max fillet radius2,5 mm
r1a - Max fillet radius2 mm
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