PRODUCT INFORMATION

Description and selection guidance

NTN Bearing NA4913R belongs to the Needle 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.

NA4913R specifications

TECHNICAL SPECIFICATIONS

Brand / Manufacturer
NTN
d - Shaft bore diameter
65 mm
D - Diameter outside
90 mm
C - Width
25 mm
F - Lower roller diameter
72 mm
rs - Minimum fillet radius
1 mm
s - Độ lệch shaft maximum
1,5 mm
Outer-ring lubrication holes
Oui/Yes
k - Diameter of lubrication hole
3 mm
Hole bôi trơn over inner ring
Non/No
Bearing clearance
CN
Precision class
P0
Weight
0,454 kg

PRODUCT PERFORMANCE

Cr - Dynamic load rating
62,5 kN
C0r - Static load rating
112 kN
N lim - Grease lubrication limiting speed
3700 tr/min
N lim - Oil lubrication limiting speed
5500 tr/min
Tmin - Minimum operating temperature
-20 °C
Tmax - Maximum operating temperature
120 °C

LIMITS

da min - Minimum shoulder diameter IR
70 mm
Da max - Maximum shoulder diameter OR
85 mm
ras max - Maximum fillet radius
1 mm
NTN ITEM SUPPORT

Send the current item and operating conditions.

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