PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 5309SNR 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.

5309SNR specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
45 mm
D - Diameter outside
100 mm
B - Width
39,7 mm
a - Load application point
50,6 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
1,5 mm
rNs - Minimum fillet radius
0,6 mm
D3 - Diameter groove base maximum
96,8 mm
b min - Width groove minimum
2,7 mm
b max - Width groove maximum
3 mm
a - Distance to oil-injection hole
0,6 mm
D4 max - Diameter outside maximum of retaining ring assembly
106,5 mm
f - Retaining-ring thickness
2,41 mm
Locking-ring reference
R100
Bearing clearance
CN
Precision class
P0
Weight
1,327 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
68,5 kN
C0 - Basic static load rating
51 kN
Cu - Fatigue load limit
3,1 kN
N lim - Oil lubrication limiting speed
6000 tr/min
N lim - Grease lubrication limiting speed
4500 tr/min
Tmin - Minimum operating temperature
-40 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da min - Minimum shoulder diameter IR
54 mm
Da max - Maximum shoulder diameter OR
91 mm
Ca min - Minimum segment position
5,43 mm
Ca max - Maximum segment position
5,74 mm
ra max - Maximum fillet radius shaft & housing
1,5 mm
rNa max - Maximum fillet radius on the segment side
0,6 mm
Db min - Minimum stop-ring position diameter
107,9 mm
NTN ITEM SUPPORT

Send the current item and operating conditions.

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