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Single row tapered roller bearings

32312U - NTN

32312U

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 diameter60 mm
D - External diameter130 mm
B - Bearing/Inner ring width46 mm
C - Outer ring width37 mm
T - Total width48,5 mm
d1 - External diameter inner ring93 mm
a - Charge load application point32 mm
rs - Min fillet radius3 mm
r1s - Min fillet radius2,5 mm
Mass3,01 kg
ISO 355 referenceT2FD060
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PRODUCT PERFORMANCE
C - Dynamic load271 kN
C0 - Static load315 kN
Cu - Fatigue limit load38,5 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 speed4000 tr/min
N lim - Grease lubrication limit speed3000 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR74 mm
db min - Min IR shoulder diameter74 mm
Da min - Min shoulder diameter OR107 mm
Da max - Max shoulder diameter OR118 mm
Db min - Min OR shoulder diameter120 mm
Ca - Min clearance4 mm
Cb - Min clearance11,5 mm
ra max - Max fillet radius2,5 mm
r1a - Max fillet radius2 mm
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