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Home>Products>Needle Roller Bearing>Bearing NKS40 ISO

Bearing NKS40 ISO MODELS

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Bearing NKS40 ISO

Bearing NKS40 ISO SPECIFICATIONS

100% 75x45x16 Authentic. Bearing NKS40 ISO Highest Quality. Certified Supplier.
Min.Order Quantity:Negotiation
Price:Negotiation

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Bearing NKS40 ISO Characteristics

Bearing number:7009 ACE/HCP4A
Size (mm):75x45x16
Bore Diameter (mm):75
Outer Diameter (mm):45
Width (mm):16
d:45 mm
D:75 mm
B:16 mm
d1:55.7 mm
d2:53.6 mm
D1:64.25 mm
r1,2 - min.:1 mm
r3,4 - min.:0.6 mm
a:22.2 mm
da - min.:49.6 mm
db - min.:49.6 mm
Da - max.:70.4 mm
Db - max.:70.8 mm
ra - max.:1 mm
rb - max.:0.6 mm
dn:57.6 mm
Basic dynamic load rating - C:12.1 kN
Basic static load rating - C0:8.2 kN
Fatigue load limit - Pu:0.345 kN
Limiting speed for grease lubrication:29000 r/min
Limiting speed for oil lubrication:45000 mm/min
Ball - Dw:7.144 mm
Ball - z:21
Gref:3.4 cm3
Calculation factor - e:0.68
Calculation factor - Y2:1.41
Calculation factor - Y0:0.76
Calculation factor - X2:0.67
Calculation factor - Y1:0.92
Preload class A - GA:110 N
Preload class B - GB:330 N
Preload class C - GC:660 N
Calculation factor - f:1.06
Calculation factor - f1:0.99
Calculation factor - f2A:1
Calculation factor - f2B:1.03
Calculation factor - f2C:1.06
Calculation factor - fHC:1.01
Preload class A:104 N/micron
Preload class B:156 N/micron
Preload class C:204 N/micron
r1,2 min.:1 mm
r3,4 min.:0.6 mm
da min.:49.6 mm
db min.:49.6 mm
Da max.:70.4 mm
Db max.:70.8 mm
ra max.:1 mm
rb max.:0.6 mm
Basic dynamic load rating C:12.1 kN
Basic static load rating C0:8.15 kN
Fatigue load limit Pu:0.345 kN
Attainable speed for grease lubrication:29000 r/min
Attainable speed for oil-air lubrication:45000 r/min
Ball diameter Dw:7.144 mm
Number of balls z:21
Reference grease quantity Gref:3.4 cm³
Preload class A GA:110 N
Static axial stiffness, preload class A:104 N/µm
Preload class B GB:330 N
Static axial stiffness, preload class B:156 N/µm
Preload class C GC:660 N
Static axial stiffness, preload class C:204 N/µm
Calculation factor f:1.06
Calculation factor f1:0.99
Calculation factor f2A:1
Calculation factor f2B:1.03
Calculation factor f2C:1.06
Calculation factor fHC:1.01
Calculation factor e:0.68
Calculation factor (single, tandem) Y2:0.87
Calculation factor (single, tandem) Y0:0.38
Calculation factor (single, tandem) X2:0.41
Calculation factor (back-to-back, face-to-face) Y1:0.92
Calculation factor (back-to-back, face-to-face) Y2:1.41
Calculation factor (back-to-back, face-to-face) Y0:0.76
Calculation factor (back-to-back, face-to-face) X2:0.67
Mass bearing:0.22 kg

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