7921A5TRDULP3 NSK Super Precision Bearings - BEARING FORGE OF AMERICA CORP.

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Attainable speed for oil-air lubrication:7700 r/min
Basic dynamic load rating C:58.5 kN
Bore Diameter (mm):120
Size (mm):120x180x54
d1:147.7 mm
Bearing number:BTM 120 ATN9/HCP4CDB
rb max.:1 mm
r1,2 min.:2 mm
r3,4 min.:1 mm
Mass bearing:4.2 kg
Limiting speed for oil lubrication:7700 mm/min
da min.:129 mm
ra max.:2 mm
Width (mm):54
Static axial stiffnes for preload B:634 N/µm
dn:144.1 mm
Static axial stiffnes for preload A:419 N/µm
Preload class B:1800 N
Da max.:175 mm
Limiting speed for grease lubrication:6500 r/min

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