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NA69/22R - NTN

NA69/22R

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

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Technical datasheet

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PRODUCT DEFINITION
BrandNTN
d - Internal diameter22 mm
D - External diameter39 mm
C - Width of bearing, drawn cup or outer ring30 mm
F - Under roller diameter28 mm
rs - Min fillet radius0,3 mm
s - Max axial offset0,5 mm
Lubrication hole on outer ringYes
k - Hole diameter2,5 mm
Lubrication hole on inner ringNo
Radial clearance classCN
Precision classP0
Mass0,154 kg
Product classification image
PRODUCT PERFORMANCE
Cr - Dynamic load rating40 kN
C0r - Static load rating58,5 kN
Nlim - Grease lubrication limit speed9500 tr/min
Nlim - Oil lubrication limit speed14000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Characteristic outer ring frequency (60 rpm)7 Hz
BPFI - Characteristic inner ring frequency (60 rpm)9 Hz
FTF - Characteristic cage frequency (60 rpm)0,438 Hz
BSF - Characteristic rolling element frequency (60 rpm)7,875 Hz
ABUTMENT
da min - Min shoulder diameter IR24 mm
Da max - Max shoulder diameter OR37 mm
ras max - Max shaft & housing fillet radius0,3 mm