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Single row tapered roller bearings

4T-30212 - NTN

4T-30212

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 diameter110 mm
B - Bearing/Inner ring width22 mm
C - Outer ring width19 mm
T - Total width23,75 mm
d1 - External diameter inner ring82 mm
a - Charge load application point22 mm
rs - Min fillet radius2 mm
r1s - Min fillet radius1,5 mm
Mass0,929 kg
ISO 355 referenceT3EB060
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PRODUCT PERFORMANCE
C - Dynamic load116 kN
C0 - Static load125 kN
Cu - Fatigue limit load15,2 kN
A2 - Rating life coefficient1
e - Coefficient0.4
Y0 - Static axial load coefficient0.81
Y2 - Upper axial load coefficient1.48
N lim - Oil lubrication limit speed4500 tr/min
N lim - Grease lubrication limit speed3400 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR70 mm
db min - Min IR shoulder diameter70 mm
Da min - Min shoulder diameter OR96 mm
Da max - Max shoulder diameter OR101,5 mm
Db min - Min OR shoulder diameter103 mm
Ca - Min clearance4 mm
Cb - Min clearance4,5 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius1,5 mm
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