PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 3210A belongs to the Double Row Angular Contact Ball 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.

3210A specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
50 mm
D - Diameter outside
90 mm
B - Width
30,2 mm
d1 - Inner-ring outside diameter
62 mm
D1 - Diameter rib/groove of outer ring
78,1 mm
a - Load application point
45,5 mm
α - Contact angle
25 °
rs - Minimum fillet radius
1,1 mm
Bearing clearance
CN
Precision class
P0
Weight
0,76 kg

BEARING FREQUENCIES

BPFO - Outer-ring characteristic frequency (60 rpm)
4,191 Hz
BPFI - Inner-ring characteristic frequency (60 rpm)
5,809 Hz
FTF - Cage characteristic frequency (60 rpm)
0,419 Hz
BSF - Rolling-element characteristic frequency (60 rpm)
5,453 Hz

PRODUCT PERFORMANCE

C - Basic dynamic load rating
48,5 kN
C0 - Basic static load rating
42,2 kN
Cu - Fatigue load limit
2,55 kN
f0 - Factor
14.9
N ref - Reference thermal speed
5900 tr/min
N lim - Mechanical limiting speed
7000 tr/min
Tmin - Minimum operating temperature
-20 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da min - Minimum shoulder diameter IR
56,5 mm
Da max - Maximum shoulder diameter OR
83,5 mm
ra max - Maximum fillet radius shaft & housing
1 mm
NTN ITEM SUPPORT

Send the current item and operating conditions.

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