PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 23128EMKW33 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.

23128EMKW33 specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
140 mm
D - Diameter outside
225 mm
B - Width
68 mm
D1 - Diameter rib/groove of outer ring
202 mm
rs - Minimum fillet radius
2,1 mm
Number of lubrication holes
3
b - Width of lubrication groove
10,12 mm
k - Diameter of lubrication hole
5 mm
Sleeve reference
H3128
Bearing clearance
CN
Weight
10,9 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
802 kN
C0 - Basic static load rating
1030 kN
Cu - Fatigue load limit
104 kN
e - Limiting value
0.26
Y0 - Static axial load factor
2.5
Y1 - Lower axial load factor
2.55
Y2 - Upper axial load factor
3.8
N ref - Reference thermal speed
2200 tr/min
N lim - Mechanical limiting speed
2800 tr/min
Tmin - Minimum operating temperature
-40 °C
Tmax - Maximum operating temperature
200 °C

LIMITS

da min - Minimum shoulder diameter IR
152 mm
db - Diameter minimum for sleeve
149 mm
Ce - Minimum sleeve length
8 mm
Da max - Maximum shoulder diameter OR
213 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.