PRODUCT INFORMATION

Description and selection guidance

NTN Bearing 6309NRC3 belongs to the Deep Groove 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.

6309NRC3 specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
45 mm
D - Diameter outside
100 mm
B - Width
25 mm
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
0,5 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
2,46 mm
Locking-ring reference
R100
Bearing clearance
C3
Weight
0,814 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
58,5 kN
C0 - Basic static load rating
32 kN
Cu - Fatigue load limit
2,5 kN
f0 - Factor
13.1
N lim - Oil lubrication limiting speed
8200 tr/min
N lim - Grease lubrication limiting speed
7000 tr/min
Tmin - Minimum operating temperature
-40 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

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

Send the current item and operating conditions.

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