NAO50X68X20 Needle roller bearings with machined rings, with an inner ring
NAO50X68X20 Needle roller bearings with machined rings detail Specifications:
Material : 52100 Chrome Steel
Series : With Inner Ring
Construction : Single Row
Limiting Speed : 8500 rpm
Weight : 0.23 kg
Main Dimensions :
Bore diameter (d) : 50 mm
Outer diameter (D) : 68 mm
Width(B) : 20 mm
Raceway diameter inner ring (F) : 55 mm
Raceway diameter outer ring (E) : 60 mm
Chamfer dimension outer ring (r) min. : 0.6 mm
Permissible axial displacement from the normal position of one bearing ring relative to the other (s) : 1.0 mm
Dynamic load ratings (Cr) : 28.50 KN
Static load ratings (Cor) : 66.00 KN
ABUTMENT DIMENSIONS
Mounting dimension (da) : 54.50 mm
Shoulder diameter axial guidance NK/housing (Db) : 55.80 mm
Shoulder diameter axial guidance NK/shaft (db) : 59.20 mm
Abutment diameter housing (without flanges) (Da) : 60.80 mm
Maximum recess radius (ra) max. : 0.6 mm
