PRODUCT INFORMATION

Description and selection guidance

NTN Bearing NU309C3 belongs to the Cylindrical Roller 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.

NU309C3 specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
45 mm
D - Diameter outside
100 mm
B - Width
25 mm
E - Upper roller diameter
86,5 mm
F - Lower roller diameter
58,5 mm
rs - Minimum fillet radius
1,5 mm
r1s - Minimum fillet radius
1,5 mm
Bearing clearance
C3
Weight
0,877 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
82 kN
C0 - Basic static load rating
71 kN
Cu - Fatigue load limit
8,65 kN
N lim - Oil lubrication limiting speed
8400 tr/min
N lim - Grease lubrication limiting speed
7200 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 - Small face shoulder max diameter
57 mm
db min - Min inner ring GO diameter
60 mm
Da max - Maximum shoulder diameter OR
92 mm
ra max - Maximum fillet radius
1,5 mm
r1a - Maximum fillet radius
1,5 mm
NTN ITEM SUPPORT

Send the current item and operating conditions.

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