NKI 7/12 TN Needle roller bearings with machined rings, with an inner ring
NKI 7/12 TN Needle roller bearings with machined rings, with an inner ring detail Specifications:
Material : 52100 Chrome Steel
Series : with an inner ring
Construction : Single Row
Limiting Speed : 29000 rpm
Weight : 0.014 kg
Main Dimensions:
Bore Diameter (d) : 7 mm
Tolerance of Bore Diameter : 0.008 mm to 0 mm
Raceway diameter inner ring (F) : 10 mm
Outside diameter (D) : 17 mm
Tolerance of Outer diameter : - 0.008 mm to 0 mm
Width (B) : 12 mm
Tolerance of Width : - 0.12 mm to 0 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 (s1) : 1.5 mm
Dynamic load ratings (Ca) : 4.75 KN
Static load ratings (Coa) : 5.50 KN
ABUTMENT DIMENSIONS
Smallest permissible abutment diameter shaft, bearings with flanges (da) min. : 9 mm
Abutment diameter housing (with flanges) (Da) max. :15 mm
Fillet radius (ra) max. : 0.3 mm
