PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 23288B 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.

23288B specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
440 mm
D - Diameter outside
790 mm
B - Width
280 mm
d2 - Diameter rib of inner ring
0 mm
D1 - Diameter rib/groove of outer ring
670,5 mm
rs - Minimum fillet radius
7,5 mm
Number of lubrication holes
8
b - Width of lubrication groove
33 mm
k - Diameter of lubrication hole
20 mm
Bearing clearance
CN
Weight
582 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
7700 kN
C0 - Basic static load rating
12800 kN
Cu - Fatigue load limit
870 kN
e - Limiting value
0.36
Y0 - Static axial load factor
1.84
Y1 - Lower axial load factor
1.88
Y2 - Upper axial load factor
2.8
N lim - Oil lubrication limiting speed
470 tr/min
N lim - Grease lubrication limiting speed
360 tr/min
Tmin - Minimum operating temperature
-40 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da min - Minimum shoulder diameter IR
472 mm
Da max - Maximum shoulder diameter OR
758 mm
ra max - Maximum fillet radius shaft & housing
6 mm
NTN ITEM SUPPORT

Send the current item and operating conditions.

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