PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 23272BK belongs to the Spherical 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.

23272BK specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
360 mm
D - Diameter outside
650 mm
B - Width
232 mm
d2 - Diameter rib of inner ring
0 mm
D1 - Diameter rib/groove of outer ring
551 mm
rs - Minimum fillet radius
6 mm
Number of lubrication holes
8
b - Width of lubrication groove
33 mm
k - Diameter of lubrication hole
20 mm
Sleeve reference
H3272
Bearing clearance
CN
Weight
329 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
5400 kN
C0 - Basic static load rating
8700 kN
Cu - Fatigue load limit
620 kN
e - Limiting value
0.36
Y0 - Static axial load factor
1.83
Y1 - Lower axial load factor
1.87
Y2 - Upper axial load factor
2.78
N lim - Oil lubrication limiting speed
590 tr/min
N lim - Grease lubrication limiting speed
450 tr/min
Tmin - Minimum operating temperature
-40 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da min - Minimum shoulder diameter IR
386 mm
db - Diameter minimum for sleeve
385 mm
Ce - Minimum sleeve length
14 mm
Da max - Maximum shoulder diameter OR
624 mm
ra max - Maximum fillet radius shaft & housing
5 mm
NTN ITEM SUPPORT

Send the current item and operating conditions.

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