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Single row tapered roller bearings

32964E1 - NTN

32964E1

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 diameter320 mm
D - External diameter440 mm
B - Bearing/Inner ring width72 mm
C - Outer ring width63 mm
T - Total width76 mm
a - Charge load application point85 mm
rs - Min fillet radius3 mm
r1s - Min fillet radius3 mm
Mass33,2 kg
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PRODUCT PERFORMANCE
C - Dynamic load955 kN
C0 - Static load1880 kN
Cu - Fatigue limit load153 kN
e - Coefficient0.39
Y0 - Static axial load coefficient0.85
Y2 - Upper axial load coefficient1.55
N lim - Oil lubrication limit speed900 tr/min
N lim - Grease lubrication limit speed670 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
Da min - Min shoulder diameter OR392 mm
Da max - Max shoulder diameter OR426 mm
Db min - Min OR shoulder diameter424,5 mm
Ca - Min clearance13 mm
Cb - Min clearance13 mm
ra max - Max fillet radius3 mm
r1a - Max fillet radius2,5 mm
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