PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 23172B 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.

23172B specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
360 mm
D - Diameter outside
600 mm
B - Width
192 mm
d2 - Diameter rib of inner ring
0 mm
D1 - Diameter rib/groove of outer ring
520 mm
rs - Minimum fillet radius
5 mm
Number of lubrication holes
8
b - Width of lubrication groove
27 mm
k - Diameter of lubrication hole
16 mm
Bearing clearance
CN
Weight
222 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
4200 kN
C0 - Basic static load rating
7050 kN
Cu - Fatigue load limit
530 kN
e - Limiting value
0.32
Y0 - Static axial load factor
2.07
Y1 - Lower axial load factor
2.11
Y2 - Upper axial load factor
3.15
N lim - Oil lubrication limiting speed
630 tr/min
N lim - Grease lubrication limiting speed
490 tr/min
Tmin - Minimum operating temperature
-40 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da min - Minimum shoulder diameter IR
382 mm
Da max - Maximum shoulder diameter OR
578 mm
ra max - Maximum fillet radius shaft & housing
4 mm
NTN ITEM SUPPORT

Send the current item and operating conditions.

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