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Single row tapered roller bearings

33108A - SNR

33108A

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 diameter40 mm
D - External diameter75 mm
B - Bearing/Inner ring width26 mm
C - Outer ring width20,5 mm
T - Total width26 mm
d1 - External diameter inner ring57,6 mm
a - Charge load application point18,2 mm
rs - Min fillet radius1,5 mm
r1s - Min fillet radius1,5 mm
Mass0,496 kg
ISO 355 referenceT2CE040
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PRODUCT PERFORMANCE
C - Dynamic load88,5 kN
A2 - Rating life coefficient1
C0 - Static load110 kN
Cu - Fatigue limit load13,5 kN
e - Coefficient0.36
Y0 - Static axial load coefficient0.93
Y2 - Upper axial load coefficient1.69
N ref - Reference thermal speed5400 tr/min
N lim - Mechanical Limit Speed9600 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)8,096 Hz
BPFI - Over rolling frequency on inner (60 rpm)10,904 Hz
BSF - Over rolling frequency on rolling element (60 rpm)6,44 Hz
BRF - Rotational frequency – rolling element (60 rpm)3,22 Hz
FTF - Rotational frequency - cage (60 rpm)0,426 Hz
ABUTMENT
da max - Max shoulder diameter IR47 mm
db min - Min IR shoulder diameter48,5 mm
Da min - Min shoulder diameter OR65 mm
Da max - Max shoulder diameter OR66,5 mm
Db min - Min OR shoulder diameter71 mm
Ca - Min clearance4 mm
Cb - Min clearance5,5 mm
ra max - Max fillet radius1,5 mm
r1a - Max fillet radius1,5 mm
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