PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 4T-663/653 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-663/653 specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
82,55 mm
D - Diameter outside
146,05 mm
B - Width
41,275 mm
C - Outer-ring width
31,75 mm
T - Overall width
41,275 mm
d1 - Inner-ring outside diameter
114,4 mm
a - Load application point
33,275 mm
Weight
2,79 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
228 kN
C0 - Basic static load rating
295 kN
Cu - Fatigue load limit
34,5 kN
A2 - Rated-life factor
1
e - Limiting value
0.41
Y0 - Static axial load factor
0.81
Y2 - Upper axial load factor
1.47
N lim - Oil lubrication limiting speed
3300 tr/min
N lim - Grease lubrication limiting speed
2500 tr/min
Tmin - Minimum operating temperature
-40 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da max - Maximum shoulder diameter IR
92 mm
db min - Minimum shoulder diameter IR
99 mm
Da max - Maximum shoulder diameter OR
131 mm
Db min - Minimum shoulder diameter OR
139 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.