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Single row tapered roller bearings

32006A - SNR

32006A

Tapered roller bearing, pressed steel cage

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 diameter30 mm
D - External diameter55 mm
B - Bearing/Inner ring width17 mm
C - Outer ring width13 mm
T - Total width17 mm
d1 - External diameter inner ring44,6 mm
a - Charge load application point13,4 mm
rs - Min fillet radius1 mm
r1s - Min fillet radius1 mm
Mass0,17 kg
ISO 355 referenceT4CC030
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PRODUCT PERFORMANCE
C - Dynamic load36,8 kN
A2 - Rating life coefficient1
C0 - Static load45,9 kN
Cu - Fatigue limit load5,6 kN
e - Coefficient0.43
Y0 - Static axial load coefficient0.77
Y2 - Upper axial load coefficient1.39
N ref - Reference thermal speed8000 tr/min
N lim - Mechanical Limit Speed13000 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)9,25 Hz
BPFI - Over rolling frequency on inner (60 rpm)11,75 Hz
BSF - Over rolling frequency on rolling element (60 rpm)7,963 Hz
BRF - Rotational frequency – rolling element (60 rpm)3,982 Hz
FTF - Rotational frequency - cage (60 rpm)0,44 Hz
ABUTMENT
da max - Max shoulder diameter IR35 mm
db min - Min IR shoulder diameter35,5 mm
Da min - Min shoulder diameter OR48 mm
Da max - Max shoulder diameter OR52 mm
Db min - Min OR shoulder diameter52 mm
Ca - Min clearance3 mm
Cb - Min clearance4 mm
ra max - Max fillet radius1 mm
r1a - Max fillet radius1 mm
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