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Single row tapered roller bearings

30216.A - SNR

30216.A

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 diameter80 mm
D - External diameter140 mm
B - Bearing/Inner ring width26 mm
C - Outer ring width22 mm
T - Total width28,25 mm
d1 - External diameter inner ring106,13 mm
a - Charge load application point28,09 mm
rs - Min fillet radius2,5 mm
r1s - Min fillet radius2 mm
Mass1,675 kg
ISO 355 referenceT3EB080
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PRODUCT PERFORMANCE
C - Dynamic load176 kN
A2 - Rating life coefficient1
C0 - Static load213 kN
Cu - Fatigue limit load25,3 kN
e - Coefficient0.42
Y0 - Static axial load coefficient0.79
Y2 - Upper axial load coefficient1.43
N ref - Reference thermal speed3200 tr/min
N lim - Mechanical Limit Speed5200 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 IR91 mm
db min - Min IR shoulder diameter90 mm
Da min - Min shoulder diameter OR124 mm
Da max - Max shoulder diameter OR130 mm
Db min - Min OR shoulder diameter132 mm
Ca - Min clearance4 mm
Cb - Min clearance6 mm
ra max - Max fillet radius2,5 mm
r1a - Max fillet radius2 mm
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