PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 4T-683/672 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-683/672 specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
95,25 mm
D - Diameter outside
168,275 mm
B - Width
41,275 mm
C - Outer-ring width
30,162 mm
T - Overall width
41,275 mm
d1 - Inner-ring outside diameter
133,5 mm
a - Load application point
38,275 mm
Weight
3,72 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
247 kN
C0 - Basic static load rating
340 kN
Cu - Fatigue load limit
38,1 kN
A2 - Rated-life factor
1
e - Limiting value
0.47
Y0 - Static axial load factor
0.7
Y2 - Upper axial load factor
1.28
N lim - Oil lubrication limiting speed
2800 tr/min
N lim - Grease lubrication limiting speed
2100 tr/min
Tmin - Minimum operating temperature
-40 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da max - Maximum shoulder diameter IR
106 mm
db min - Minimum shoulder diameter IR
113 mm
Da max - Maximum shoulder diameter OR
149 mm
Db min - Minimum shoulder diameter OR
160 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.