PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 23122EMKW33 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.

23122EMKW33 specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
110 mm
D - Diameter outside
180 mm
B - Width
56 mm
D1 - Diameter rib/groove of outer ring
160,9 mm
rs - Minimum fillet radius
2 mm
Number of lubrication holes
3
b - Width of lubrication groove
8,86 mm
k - Diameter of lubrication hole
4 mm
Sleeve reference
H3122
Bearing clearance
CN
Weight
5,34 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
547 kN
C0 - Basic static load rating
669 kN
Cu - Fatigue load limit
72,7 kN
e - Limiting value
0.28
Y0 - Static axial load factor
2.37
Y1 - Lower axial load factor
2.43
Y2 - Upper axial load factor
3.61
N ref - Reference thermal speed
3000 tr/min
N lim - Mechanical limiting speed
3500 tr/min
Tmin - Minimum operating temperature
-40 °C
Tmax - Maximum operating temperature
200 °C

LIMITS

da min - Minimum shoulder diameter IR
121 mm
db - Diameter minimum for sleeve
117 mm
Ce - Minimum sleeve length
7 mm
Da max - Maximum shoulder diameter OR
169 mm
ra max - Maximum fillet radius shaft & housing
2 mm
NTN ITEM SUPPORT

Send the current item and operating conditions.

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