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Single row tapered roller bearings

33215A - SNR

33215A

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 diameter75 mm
D - External diameter130 mm
B - Bearing/Inner ring width41 mm
C - Outer ring width31 mm
T - Total width41 mm
d1 - External diameter inner ring102,2 mm
a - Charge load application point31,9 mm
rs - Min fillet radius2 mm
r1s - Min fillet radius1,5 mm
Mass2,17 kg
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PRODUCT PERFORMANCE
C - Dynamic load217 kN
A2 - Rating life coefficient1
C0 - Static load300 kN
Cu - Fatigue limit load36,3 kN
e - Coefficient0.43
Y0 - Static axial load coefficient0.77
Y2 - Upper axial load coefficient1.4
N ref - Reference thermal speed3400 tr/min
N lim - Mechanical Limit Speed5300 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)8,67 Hz
BPFI - Over rolling frequency on inner (60 rpm)11,33 Hz
BSF - Over rolling frequency on rolling element (60 rpm)7,101 Hz
BRF - Rotational frequency – rolling element (60 rpm)3,551 Hz
FTF - Rotational frequency - cage (60 rpm)0,433 Hz
ABUTMENT
da max - Max shoulder diameter IR83 mm
db min - Min IR shoulder diameter84 mm
Da min - Min shoulder diameter OR111 mm
Da max - Max shoulder diameter OR121 mm
Db min - Min OR shoulder diameter125 mm
Ca - Min clearance7 mm
Cb - Min clearance10 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius1,5 mm
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