PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 22218EAKW33C3 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.

22218EAKW33C3 specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
90 mm
D - Diameter outside
160 mm
B - Width
40 mm
d2 - Diameter rib of inner ring
105,3 mm
D1 - Diameter rib/groove of outer ring
143,2 mm
rs - Minimum fillet radius
2 mm
Number of lubrication holes
3
b - Width of lubrication groove
10,2 mm
k - Diameter of lubrication hole
4,5 mm
Sleeve reference
H318
Bearing clearance
C3
Weight
3,24 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
384 kN
C0 - Basic static load rating
398 kN
Cu - Fatigue load limit
45,2 kN
e - Limiting value
0.23
Y0 - Static axial load factor
2.83
Y1 - Lower axial load factor
2.9
Y2 - Upper axial load factor
4.31
N ref - Reference thermal speed
3900 tr/min
N lim - Mechanical limiting speed
5100 tr/min
Tmin - Minimum operating temperature
-40 °C
Tmax - Maximum operating temperature
200 °C

LIMITS

da min - Minimum shoulder diameter IR
101 mm
db - Diameter minimum for sleeve
96 mm
Ce - Minimum sleeve length
10 mm
Da max - Maximum shoulder diameter OR
149 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.