PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 5204NRZZG15 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.

5204NRZZG15 specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
20 mm
D - Diameter outside
47 mm
B - Width
20,6 mm
d1 - Inner-ring outside diameter
28,8 mm
D1 - Diameter rib/groove of outer ring
41,9 mm
a - Load application point
24,2 mm
α - Contact angle
25 °
a min - Minimum groove position
2,31 mm
a max - Maximum groove position
2,46 mm
rs - Minimum fillet radius
1 mm
rNs - Minimum fillet radius
0,6 mm
D3 - Diameter groove base maximum
44,6 mm
b min - Width groove minimum
1,35 mm
b max - Width groove maximum
1,65 mm
a - Distance to oil-injection hole
0,4 mm
D4 max - Diameter outside maximum of retaining ring assembly
52,7 mm
f - Retaining-ring thickness
1,07 mm
Locking-ring reference
R 47
Bearing clearance
CN
Precision class
P0
Weight
0,139 kg

BEARING FREQUENCIES

BPFO - Outer-ring characteristic frequency (60 rpm)
3,154 Hz
BPFI - Inner-ring characteristic frequency (60 rpm)
4,846 Hz
FTF - Cage characteristic frequency (60 rpm)
0,394 Hz
BSF - Rolling-element characteristic frequency (60 rpm)
4,091 Hz

PRODUCT PERFORMANCE

C - Basic dynamic load rating
19,1 kN
C0 - Basic static load rating
12,5 kN
Cu - Fatigue load limit
0,81 kN
f0 - Factor
13.7
N ref - Reference thermal speed
12000 tr/min
N lim - Mechanical limiting speed
12000 tr/min
Tmin - Minimum operating temperature
-20 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da min - Minimum shoulder diameter IR
25 mm
da max - Maximum shoulder diameter IR
28,8 mm
Da max - Maximum shoulder diameter OR
42 mm
Ca min - Minimum segment position
2,92 mm
Ca max - Maximum segment position
3,18 mm
ra max - Maximum fillet radius shaft & housing
1 mm
rNa max - Maximum fillet radius on the segment side
0,6 mm
Db min - Minimum stop-ring position diameter
53,4 mm
NTN ITEM SUPPORT

Send the current item and operating conditions.

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