PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 22312EAW33C4 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.

22312EAW33C4 specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
60 mm
D - Diameter outside
130 mm
B - Width
46 mm
d2 - Diameter rib of inner ring
75,3 mm
D1 - Diameter rib/groove of outer ring
111,9 mm
rs - Minimum fillet radius
2,1 mm
Number of lubrication holes
3
b - Width of lubrication groove
9 mm
k - Diameter of lubrication hole
4 mm
Bearing clearance
C4
Weight
2,804 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
340 kN
C0 - Basic static load rating
319 kN
Cu - Fatigue load limit
38,9 kN
e - Limiting value
0.35
Y0 - Static axial load factor
1.91
Y1 - Lower axial load factor
1.95
Y2 - Upper axial load factor
2.9
N ref - Reference thermal speed
4300 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
72 mm
Da max - Maximum shoulder diameter OR
118 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.