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RNA4830 - NTN

RNA4830

Needle roller bearing, machined-ring, without inner ring, double-side ribs, lubrication hole

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Technical datasheet

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Specs

PRODUCT DIMENSIONS

Under rollers diameter (Fw) 165 mm
External diameter (D) 190 mm
Width of bearing, drawn cup or outer ring (C) 40 mm
Min fillet radius (rs) 1,1 mm
Lubrication hole on outer ring Yes
Hole diameter (k) 3,5 mm
Radial clearance class CN
Precision class P0
Mass 1,6 kg
Brand NTN
Product classification image

PRODUCT PERFORMANCE

Dynamic load rating (Cr) 152 kN
Static load rating (C0r) 390 kN
Nlim (grease) 1600 tr/min
Nlim (oil) 2400 tr/min
Min operating temperature (Tmin) -20 °C
Max operating temperature (Tmax) 120 °C
Characteristic cage frequency, FTF 0,48 Hz
Characteristic rolling element frequency, BSF 24,531 Hz
Characteristic outer ring frequency, BPF0 21,105 Hz
Characteristic inner ring frequency, BPFI 22,895 Hz

ABUTMENT

Max shoulder diameter OR (Da max) 183,5 mm
Max shaft & housing fillet radius (ras max) 1 mm