NAO12X28X12 Needle roller bearings with machined rings, with an inner ring
NAO12X28X12 Needle roller bearings with machined rings detail Specifications:
Material : 52100 Chrome Steel
Series : With Inner Ring
Construction : Single Row
Limiting Speed : 22900 rpm
Weight : 0.040 kg
Main Dimensions :
Bore diameter (d) : 12 mm
Outer diameter (D) : 28 mm
Width(B) : 12 mm
Raceway diameter inner ring (F) : 16 mm
Raceway diameter outer ring (E) : 22 mm
Chamfer dimension outer ring (r) min. : 0.3 mm
Permissible axial displacement from the normal position of one bearing ring relative to the other (s) :0.5 mm
Dynamic load ratings (Cr) : 11.50 KN
Static load ratings (Cor) : 12.50 KN
ABUTMENT DIMENSIONS
Mounting dimension (da) : 15.70 mm
Shoulder diameter axial guidance NK/housing (Db) : 16.40 mm
Shoulder diameter axial guidance NK/shaft (db) : 21.60 mm
Abutment diameter housing (without flanges) (Da) : 22.30 mm
Maximum recess radius (ra) max. : 0.3 mm
