PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 3205AC3 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.

3205AC3 specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
25 mm
D - Diameter outside
52 mm
B - Width
20,6 mm
d1 - Inner-ring outside diameter
30,8 mm
D1 - Diameter rib/groove of outer ring
46,7 mm
a - Load application point
26,8 mm
α - Contact angle
25 °
rs - Minimum fillet radius
1 mm
Bearing clearance
C3
Precision class
P0
Weight
0,168 kg

BEARING FREQUENCIES

BPFO - Outer-ring characteristic frequency (60 rpm)
3,659 Hz
BPFI - Inner-ring characteristic frequency (60 rpm)
5,341 Hz
FTF - Cage characteristic frequency (60 rpm)
0,407 Hz
BSF - Rolling-element characteristic frequency (60 rpm)
4,681 Hz

PRODUCT PERFORMANCE

C - Basic dynamic load rating
20,8 kN
C0 - Basic static load rating
14,7 kN
Cu - Fatigue load limit
0,91 kN
f0 - Factor
14.3
N ref - Reference thermal speed
9700 tr/min
N lim - Mechanical limiting speed
13000 tr/min
Tmin - Minimum operating temperature
-20 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da min - Minimum shoulder diameter IR
30 mm
Da max - Maximum shoulder diameter OR
47 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.