PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 5209NRZZG15 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.

5209NRZZG15 specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
45 mm
D - Diameter outside
85 mm
B - Width
30,2 mm
d1 - Inner-ring outside diameter
57,2 mm
D1 - Diameter rib/groove of outer ring
75,4 mm
a - Load application point
43,2 mm
α - Contact angle
25 °
a min - Minimum groove position
3,07 mm
a max - Maximum groove position
3,28 mm
rs - Minimum fillet radius
1,1 mm
rNs - Minimum fillet radius
0,6 mm
D3 - Diameter groove base maximum
81,81 mm
b min - Width groove minimum
1,9 mm
b max - Width groove maximum
2,2 mm
a - Distance to oil-injection hole
0,6 mm
D4 max - Diameter outside maximum of retaining ring assembly
91,6 mm
f - Retaining-ring thickness
1,65 mm
Locking-ring reference
R 85
Bearing clearance
CN
Precision class
P0
Weight
0,71 kg

BEARING FREQUENCIES

BPFO - Outer-ring characteristic frequency (60 rpm)
3,716 Hz
BPFI - Inner-ring characteristic frequency (60 rpm)
5,284 Hz
FTF - Cage characteristic frequency (60 rpm)
0,413 Hz
BSF - Rolling-element characteristic frequency (60 rpm)
5,042 Hz

PRODUCT PERFORMANCE

C - Basic dynamic load rating
45,7 kN
C0 - Basic static load rating
37,2 kN
Cu - Fatigue load limit
2,27 kN
f0 - Factor
14.6
N ref - Reference thermal speed
6500 tr/min
N lim - Mechanical limiting speed
6000 tr/min
Tmin - Minimum operating temperature
-20 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da min - Minimum shoulder diameter IR
51,5 mm
da max - Maximum shoulder diameter IR
57,2 mm
Da max - Maximum shoulder diameter OR
78,5 mm
Ca min - Minimum segment position
4,67 mm
Ca max - Maximum segment position
4,98 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
93 mm
NTN ITEM SUPPORT

Send the current item and operating conditions.

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