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30314U - NTN

30314U

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
BrandNTN
d - Internal diameter70 mm
D - External diameter150 mm
B - Bearing/Inner ring width35 mm
C - Outer ring width30 mm
T - Total width38 mm
d1 - External diameter inner ring107 mm
a - Charge load application point30 mm
rs - Min fillet radius3 mm
r1s - Min fillet radius2,5 mm
Mass3,05 kg
ISO 355 referenceT2GB070
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PRODUCT PERFORMANCE
C - Dynamic load255 kN
C0 - Static load272 kN
Cu - Fatigue limit load32 kN
A2 - Rating life coefficient1
e - Coefficient0.35
Y0 - Static axial load coefficient0.96
Y2 - Upper axial load coefficient1.74
N lim - Oil lubrication limit speed3500 tr/min
N lim - Grease lubrication limit speed2600 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR89 mm
db min - Min IR shoulder diameter84 mm
Da min - Min shoulder diameter OR130 mm
Da max - Max shoulder diameter OR138 mm
Db min - Min OR shoulder diameter140 mm
Ca - Min clearance4 mm
Cb - Min clearance8 mm
ra max - Max fillet radius2,5 mm
r1a - Max fillet radius2 mm
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OE Equivalents

ManufacturerReferenceMercedes000720 030314Mercedes001 981 75 05Mercedes001 981 77 05

Automotive Compatibility

BrandModelGenerationDatePositionLocationMercedesO 317O 31712/1965 => 12/1975Front-

Industry Calcul Factors

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