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Vòng Bi NF208 Hiệu NTN Chính Hãng Nhật

NF208 NTN

BrandNTN
d – Internal diameter40 mm
D – External diameter80 mm
B – Bearing/Inner ring width18 mm
E – Upper roller diameter70 mm
F – Under roller diameter50 mm
d1 – IR flange outer diameter54,2 mm
rs – Min fillet radius1,1 mm
r1s – Min fillet radius1,1 mm
Radial clearance classCN
Mass0,402 kg

C – Dynamic load48,5 kN
C0 – Static load43 kN
Cu – Fatigue limit load5,25 kN
Nlim – Oil lubrication limit speed11000 tr/min
Nlim – Grease lubrication limit speed9400 tr/min
Tmin – Min operating temperature-40 °C
Tmax – Max operating temperature120 °C
da min – Min shoulder diameter IR46,5 mm
Da max – Max shoulder diameter OR73,5 mm
Db min – Small face shoulder min diameter71 mm
ra max – Max fillet radius1 mm

 

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