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Single row tapered roller bearings

32938XU - NTN

32938XU

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 diameter190 mm
D - External diameter260 mm
B - Bearing/Inner ring width45 mm
C - Outer ring width34 mm
T - Total width45 mm
d1 - External diameter inner ring226,5 mm
a - Charge load application point55 mm
rs - Min fillet radius2,5 mm
r1s - Min fillet radius2 mm
Mass6,82 kg
ISO 355 referenceT4DC190
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PRODUCT PERFORMANCE
C - Dynamic load390 kN
C0 - Static load710 kN
Cu - Fatigue limit load68 kN
A2 - Rating life coefficient1
e - Coefficient0.48
Y0 - Static axial load coefficient0.69
Y2 - Upper axial load coefficient1.26
N lim - Oil lubrication limit speed1600 tr/min
N lim - Grease lubrication limit speed1200 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR204 mm
db min - Min IR shoulder diameter202 mm
Da min - Min shoulder diameter OR235 mm
Da max - Max shoulder diameter OR250 mm
Db min - Min OR shoulder diameter251 mm
Ca - Min clearance8 mm
Cb - Min clearance11 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius2 mm
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