PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 32321U 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.

32321U specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
105 mm
D - Diameter outside
225 mm
B - Width
77 mm
C - Outer-ring width
63 mm
T - Overall width
81,5 mm
a - Load application point
55 mm
rs - Minimum fillet radius
3 mm
r1s - Minimum fillet radius
2,5 mm
Weight
14,7 kg
ISO 355 refethreadce
T2GD105

PRODUCT PERFORMANCE

C - Basic dynamic load rating
680 kN
C0 - Basic static load rating
825 kN
Cu - Fatigue load limit
87 kN
A2 - Rated-life factor
1
e - Limiting value
0.35
Y0 - Static axial load factor
0.96
Y2 - Upper axial load factor
1.74
N lim - Oil lubrication limiting speed
2300 tr/min
N lim - Grease lubrication limiting speed
1700 tr/min
Tmin - Minimum operating temperature
-40 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da max - Maximum shoulder diameter IR
123 mm
db min - Minimum shoulder diameter IR
128 mm
Da max - Maximum shoulder diameter OR
211 mm
Db min - Minimum shoulder diameter OR
209 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.