PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 4T-72200C/72487 belongs to the Tapered Roller Bearings family. The technical tables below show the available dimensions, ratings, speeds and mounting limits for this item.

When requesting a quotation, provide the complete item number, required quantity and operating conditions so Cat Son can verify the configuration.

4T-72200C/72487 specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
50,8 mm
D - Diameter outside
123,825 mm
B - Width
32,791 mm
C - Outer-ring width
25,4 mm
T - Overall width
36,512 mm
d1 - Inner-ring outside diameter
89,5 mm
a - Load application point
38,012 mm
Weight
2,1 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
171 kN
C0 - Basic static load rating
188 kN
Cu - Fatigue load limit
22,9 kN
A2 - Rated-life factor
1
e - Limiting value
0.74
Y0 - Static axial load factor
0.45
Y2 - Upper axial load factor
0.81
N lim - Oil lubrication limiting speed
3900 tr/min
N lim - Grease lubrication limiting speed
2900 tr/min
Tmin - Minimum operating temperature
-40 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da max - Maximum shoulder diameter IR
67 mm
db min - Minimum shoulder diameter IR
77 mm
Da max - Maximum shoulder diameter OR
102 mm
Db min - Minimum shoulder diameter OR
116 mm
ra max - Maximum fillet radius
3,5 mm
r1a - Maximum fillet radius
3,3 mm
NTN ITEM SUPPORT

Send the current item and operating conditions.

Cat Son can compare dimensions, design and mounting conditions before quotation.