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Single row tapered roller bearings

30310A - SNR

30310A

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 diameter50 mm
D - External diameter110 mm
B - Bearing/Inner ring width27 mm
C - Outer ring width23 mm
T - Total width29,25 mm
d1 - External diameter inner ring78,1 mm
a - Charge load application point23,1 mm
rs - Min fillet radius2,5 mm
r1s - Min fillet radius2 mm
Mass1,28 kg
ISO 355 referenceT2FB050
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PRODUCT PERFORMANCE
C - Dynamic load142 kN
A2 - Rating life coefficient1
C0 - Static load157 kN
Cu - Fatigue limit load19,1 kN
e - Coefficient0.35
Y0 - Static axial load coefficient0.96
Y2 - Upper axial load coefficient1.74
N ref - Reference thermal speed4700 tr/min
N lim - Mechanical Limit Speed6700 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)6,569 Hz
BPFI - Over rolling frequency on inner (60 rpm)9,431 Hz
BSF - Over rolling frequency on rolling element (60 rpm)5,273 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,637 Hz
FTF - Rotational frequency - cage (60 rpm)0,411 Hz
ABUTMENT
da max - Max shoulder diameter IR65 mm
db min - Min IR shoulder diameter62 mm
Da min - Min shoulder diameter OR95 mm
Da max - Max shoulder diameter OR100 mm
Db min - Min OR shoulder diameter102 mm
Ca - Min clearance4 mm
Cb - Min clearance6 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius2 mm
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OE Equivalents

ManufacturerReferenceMercedes001 981 47 05Mercedes004 981 08 05Volvo11056Volvo11089Iveco26800380SAF4 200 0013 00

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