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NA4926 - NTN

NA4926

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 diameter130 mm
D - External diameter180 mm
C - Width of bearing, drawn cup or outer ring50 mm
F - Under roller diameter150 mm
rs - Min fillet radius1,5 mm
s - Max axial offset1,5 mm
Lubrication hole on outer ringYes
k - Hole diameter3,5 mm
Lubrication hole on inner ringNo
Radial clearance classCN
Precision classP0
Mass3,9 kg
Product classification image
PRODUCT PERFORMANCE
Cr - Dynamic load rating202 kN
C0r - Static load rating455 kN
Nlim - Grease lubrication limit speed1800 tr/min
Nlim - Oil lubrication limit speed2700 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR138 mm
Da max - Max shoulder diameter OR172 mm
ras max - Max shaft & housing fillet radius1,5 mm