PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 32230U belongs to the Tapered 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.

32230U specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
150 mm
D - Diameter outside
270 mm
B - Width
73 mm
C - Outer-ring width
60 mm
T - Overall width
77 mm
d1 - Inner-ring outside diameter
207,5 mm
a - Load application point
64,5 mm
rs - Minimum fillet radius
4 mm
r1s - Minimum fillet radius
3 mm
Weight
18 kg
ISO 355 refethreadce
T4GD150

PRODUCT PERFORMANCE

C - Basic dynamic load rating
775 kN
C0 - Basic static load rating
1070 kN
Cu - Fatigue load limit
105 kN
A2 - Rated-life factor
1
e - Limiting value
0.44
Y0 - Static axial load factor
0.76
Y2 - Upper axial load factor
1.38
N lim - Oil lubrication limiting speed
1700 tr/min
N lim - Grease lubrication limiting speed
1300 tr/min
Tmin - Minimum operating temperature
-40 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da max - Maximum shoulder diameter IR
170 mm
db min - Minimum shoulder diameter IR
168 mm
Da min - Minimum shoulder diameter OR
226 mm
Da max - Maximum shoulder diameter OR
256 mm
Db min - Minimum shoulder diameter OR
254 mm
Ca - Minimum space width
8 mm
Ca - Minimum space width
17 mm
ra max - Maximum fillet radius
3 mm
r1a - Maximum fillet radius
2,5 mm
NTN ITEM SUPPORT

Send the current item and operating conditions.

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