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NK29/30R+1R25X29X30 - NTN

NK29/30R+1R25X29X30

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

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Technical datasheet

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Specs

PRODUCT DEFINITION

d - Internal diameter 25 mm
D - External diameter 38 mm
C - Width of bearing, drawn cup or outer ring 30 mm
F - Under roller diameter 29 mm
rs - Min fillet radius 0,3 mm
s - Max axial offset 1,5 mm
Lubrication hole on outer ring Yes
k - Hole diameter 2,5 mm
Inner ring reference 1R25X29X30
Lubrication hole on inner ring No
Radial clearance class CN
Precision class P0
Mass 0,123 kg
Brand NTN
Product classification image

PRODUCT PERFORMANCE

Cr - Dynamic load rating 27,5 kN
C0r - Static load rating 50,5 kN
Nlim - Grease lubrication limit speed 9500 tr/min
Nlim - Oil lubrication limit speed 14000 tr/min
Tmin - Min operating temperature -20 °C
Tmax - Max operating temperature 120 °C

ABUTMENT

da min - Min shoulder diameter IR 27 mm
Da max - Max shoulder diameter OR 36 mm
ras max - Max shaft & housing fillet radius 0,3 mm