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Single row tapered roller bearings

32221U - NTN

32221U

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 diameter105 mm
D - External diameter190 mm
B - Bearing/Inner ring width50 mm
C - Outer ring width43 mm
T - Total width53 mm
a - Charge load application point44 mm
rs - Min fillet radius2,5 mm
r1s - Min fillet radius2 mm
Mass6,23 kg
ISO 355 referenceT3FC105
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PRODUCT PERFORMANCE
C - Dynamic load420 kN
C0 - Static load540 kN
Cu - Fatigue limit load59 kN
A2 - Rating life coefficient1
e - Coefficient0.42
Y0 - Static axial load coefficient0.79
Y2 - Upper axial load coefficient1.43
N lim - Oil lubrication limit speed2500 tr/min
N lim - Grease lubrication limit speed1900 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR119 mm
db min - Min IR shoulder diameter119 mm
Da max - Max shoulder diameter OR178 mm
Db min - Min OR shoulder diameter180 mm
ra max - Max fillet radius2,5 mm
r1a - Max fillet radius2 mm
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