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NK12/12+1R9X12X12 - NTN

NK12/12+1R9X12X12

Needle roller bearing, machined-rings, with inner ring, double-side plates, lubrication hole

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Technical datasheet

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Specs

PRODUCT DEFINITION

d - Internal diameter 9 mm
D - External diameter 19 mm
C - Width of bearing, drawn cup or outer ring 12 mm
F - Under roller diameter 12 mm
rs - Min fillet radius 0,3 mm
s - Max axial offset 1,5 mm
Lubrication hole on outer ring No
Inner ring reference 1R9X12X12
Lubrication hole on inner ring No
Radial clearance class CN
Precision class P0
Mass 0,018 kg
Brand NTN
Product classification image

PRODUCT PERFORMANCE

Cr - Dynamic load rating 5 kN
C0r - Static load rating 6,1 kN
Nlim - Grease lubrication limit speed 17000 tr/min
Nlim - Oil lubrication limit speed 26000 tr/min
Tmin - Min operating temperature -20 °C
Tmax - Max operating temperature 120 °C

ABUTMENT

da min - Min shoulder diameter IR 11 mm
Da max - Max shoulder diameter OR 13,5 mm
ras max - Max shaft & housing fillet radius 0,3 mm