Bearing NA207-21 (KOYO)

Deep groove ball bearings NA207-21

Bearing number : NA207-21

Size (mm) : 31.75x72x37.6

Brand : KOYO

Bore Diameter (mm) : 31,75

Outer Diameter (mm) : 72

Width (mm) : 37,6

Bearing dimensions and specification in KOYO catalogue:

d - 31,75 mm

D - 72 mm

B - 37,6 mm

B1 - 51,1 mm

C - 20 mm

d1 - 55,6 mm

r min. - 1,1 mm

C - 5,5 mm

S - 18,8 mm

S2 - 6,8 mm

Thread (G) - 5/16-24UNF

Weight - 0,65 Kg

Basic dynamic load rating (C) - 25,7 kN

Basic static load rating (C0) - 15,4 kN

Calculation factor (f0) - 13,9

Designation

Bore Dia, mm

Outer Dia, mm: