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NA4836 - NTN

NA4836

Needle roller bearing, machined-rings, with inner ring, double-side ribs

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Technical datasheet

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Specs

PRODUCT DEFINITION

d - Internal diameter 180 mm
D - External diameter 225 mm
C - Width of bearing, drawn cup or outer ring 45 mm
F - Under roller diameter 195 mm
rs - Min fillet radius 1,1 mm
s - Max axial offset 1,5 mm
Lubrication hole on outer ring Yes
k - Hole diameter 3,5 mm
Lubrication hole on inner ring No
Radial clearance class CN
Precision class P0
Mass 4,19 kg
Brand NTN
Product classification image

PRODUCT PERFORMANCE

Cr - Dynamic load rating 195 kN
C0r - Static load rating 540 kN
Nlim - Grease lubrication limit speed 1400 tr/min
Nlim - Oil lubrication limit speed 2100 tr/min
Tmin - Min operating temperature -20 °C
Tmax - Max operating temperature 120 °C

ABUTMENT

da min - Min shoulder diameter IR 186,5 mm
Da max - Max shoulder diameter OR 218,5 mm
ras max - Max shaft & housing fillet radius 1 mm