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Bearing RNAO-55×72×20 (NTN)
Needle roller bearings RNAO-55×72×20
Bearing number : RNAO-55×72×20
Size (mm) : 55x63x20
Brand : NTN
Bore Diameter (mm) : 55
Outer Diameter (mm) : 63
Width (mm) : 20
Bearing dimensions and specification in NTN catalogue:
Fw - 55 mm
D - 72 mm
E - 63 mm
C - 20 mm
r min. - 0,6 mm
Da max. - 68 mm
db - 62,4 mm
ra max. - 0,6 mm
Db - 55,8 mm
Weight - 0,216 Kg
Basic dynamic load rating (C) - 39 kN
Basic static load rating (C0) - 70 kN
(Grease) Lubrication Speed - 4 800 r/min
(Oil) Lubrication Speed - 7 500 r/min
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