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Single row tapered roller bearings

31322XU - NTN

31322XU

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 diameter110 mm
D - External diameter240 mm
B - Bearing/Inner ring width57 mm
C - Outer ring width38 mm
T - Total width63 mm
a - Charge load application point76 mm
rs - Min fillet radius4 mm
r1s - Min fillet radius3 mm
Mass11,9 kg
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PRODUCT PERFORMANCE
C - Dynamic load480 kN
C0 - Static load535 kN
Cu - Fatigue limit load55 kN
e - Coefficient0.83
Y0 - Static axial load coefficient0.4
Y2 - Upper axial load coefficient0.73
N lim - Oil lubrication limit speed2200 tr/min
N lim - Grease lubrication limit speed1600 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
Da min - Min shoulder diameter OR184 mm
Da max - Max shoulder diameter OR226 mm
Db min - Min OR shoulder diameter225,5 mm
Ca - Min clearance7 mm
Cb - Min clearance25 mm
ra max - Max fillet radius3 mm
r1a - Max fillet radius2,5 mm
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