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NA4904LL/3AS - NTN

NA4904LL/3AS

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Technical datasheet

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Specs

PRODUCT DEFINITION

d - Internal diameter 20 mm
D - External diameter 37 mm
B - Bearing/Inner ring width 18 mm
C - Width of bearing, drawn cup or outer ring 17 mm
F - Under roller diameter 25 mm
rs - Min fillet radius 0,3 mm
Lubrication hole on outer ring Yes
k - Hole diameter 2,5 mm
Lubrication hole on inner ring Yes
Radial clearance class CN
Precision class P0
Mass 0,08 kg
Brand NTN
Product classification image

PRODUCT PERFORMANCE

Cr - Dynamic load rating 15,2 kN
C0r - Static load rating 19,9 kN
Nlim - Grease lubrication limit speed 8000 tr/min
Tmin - Min operating temperature -20 °C
Tmax - Max operating temperature 100 °C

ABUTMENT

da min - Min shoulder diameter IR 22 mm
Da max - Max shoulder diameter OR 28 mm
Db max - Max OR shoulder diameter 35 mm
ras max - Max shaft & housing fillet radius 0,3 mm