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4T-33111 - NTN

4T-33111

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.

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Technical datasheet

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Specs

PRODUCT DEFINITION

d - Internal diameter 55 mm
D - External diameter 95 mm
B - Bearing/Inner ring width 30 mm
C - Outer ring width 23 mm
T - Total width 30 mm
d1 - External diameter inner ring 75,5 mm
a - Charge load application point 22 mm
rs - Min fillet radius 1,5 mm
r1s - Min fillet radius 1,5 mm
Mass 0,858 kg
ISO 355 reference T3CE055
Brand NTN
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PRODUCT PERFORMANCE

C - Dynamic load 123 kN
C0 - Static load 155 kN
Cu - Fatigue limit load 18,9 kN
A2 - Rating life coefficient 1
e - Coefficient 0.37
Y0 - Static axial load coefficient 0.88
Y2 - Upper axial load coefficient 1.6
Nlim - Oil lubrication limit speed 5200 tr/min
Nlim - Grease lubrication limit speed 3900 tr/min
Tmin - Min operating temperature -40 °C
Tmax - Max operating temperature 120 °C
FTF - Characteristic cage frequency 0,436 Hz
BSF - Characteristic rolling element frequency 7,49 Hz
BPFO - Characteristic outer ring frequency 9,162 Hz
BPFI - Characteristic inner ring frequency 11,838 Hz

ABUTMENT

da max - Max shoulder diameter IR 62 mm
db min - Min IR shoulder diameter 63,5 mm
Da min - Min shoulder diameter OR 83 mm
Da max - Max shoulder diameter OR 86,5 mm
Db min - Min OR shoulder diameter 91 mm
Ca - Min clearance 5 mm
Cb - Min clearance 7 mm
ra max - Max fillet radius 1,5 mm
r1a - Max fillet radius 1,5 mm
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