PRODUCT INFORMATION

Description and selection guidance

NTN Bearing NUP308U 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.

NUP308U specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
40 mm
D - Diameter outside
90 mm
B - Width
23 mm
E - Upper roller diameter
77,5 mm
F - Lower roller diameter
53,5 mm
d1 - Diameter outside of flange IR
58,4 mm
rs - Minimum fillet radius
1,5 mm
r1s - Minimum fillet radius
1,5 mm
Bearing clearance
CN
Weight
0,69 kg

PRODUCT PERFORMANCE

C - Basic dynamic load rating
58,5 kN
C0 - Basic static load rating
57 kN
Cu - Fatigue load limit
7 kN
N lim - Oil lubrication limiting speed
9400 tr/min
N lim - Grease lubrication limiting speed
8000 tr/min
Tmin - Minimum operating temperature
-40 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da min - Minimum shoulder diameter IR
48 mm
dc min - Diameter inner ring minimum GO
60 mm
Da max - Maximum shoulder diameter OR
82 mm
ra max - 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.