Bantalan NK47/20R+IR42×47×20 NTN

Needle roller bearings NK47/20R+IR42×47×20

Nomor bantalan : NK47/20R+IR42×47×20

Ukuran mm : 42x57x20

Merek : NTN

Bore Diameter mm : 42

Diameter luar mm : 57

Lebar mm : 20

Bearing dimensi dan spesifikasi dalam katalog merek :

d - 42 mm

F - 47 mm

D - 57 mm

B - 20 mm

C - 20 mm

r min. - 0,3 mm

s - 0,5 mm

da min. - 44 mm

Da max. - 55 mm

ra max. - 0,3 mm

Weight - 0,148 Kg

Rating beban dinamis dasar C - 28,8 kN

Rating beban statis dasar C0 - 55,5 kN

Grease Lubrication Speed - 5 500 r/min

Oil Lubrication Speed - 8 500 r/min