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NK29/20R+1R25X29X20 - NTN

NK29/20R+1R25X29X20

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 DIMENSIONS

Internal diameter (d) 25 mm
External diameter (D) 38 mm
Width of bearing, drawn cup or outer ring (C) 20 mm
Under roller diameter F 29 mm
Min fillet radius (rs) 0,3 mm
Max axial offset s max 1 mm
Lubrication hole on outer ring Yes
Hole diameter (k) 2,5 mm
Inner ring reference 1R25X29X20
Lubrication hole on inner ring No
Radial clearance class CN
Precision class P0
Mass 0,079 kg
Brand NTN
Product classification image

PRODUCT PERFORMANCE

Dynamic load rating (Cr) 22,2 kN
Static load rating (C0r) 34 kN
Nlim (grease) 9500 tr/min
Nlim (oil) 14000 tr/min
Min operating temperature (Tmin) -20 °C
Max operating temperature (Tmax) 120 °C

ABUTMENT

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