Product Details

3.937 Inch | 100 Millimeter x 5.906 Inch | 150 Millimeter x 1.89 Inch | 48 Millimeter NTN 7020HVDUJ74 Precision Ball Bearings

Brand Name NTN
Model Number 7020HVDUJ74
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

NTN 7020HVDUJ74 bearing Size Chart (mm/inches)

Bearing number71909 ACB/P4AL
Size (mm)68x45x12
Bore Diameter (mm)68
Outer Diameter (mm)45
Width (mm)12
d45 mm
D68 mm
B12 mm
d153.45 mm
d252.4 mm
D261.8 mm
b2 mm
C15.9 mm
C22.8 mm
C31.7 mm
r1,2 - min.0.6 mm
r3,4 - min.0.3 mm
a22.1 mm
da - min.48.2 mm
db - min.48.2 mm
Da - max.64.8 mm
Db - max.66 mm
ra - max.0.6 mm
rb - max.0.3 mm
dn54.2 mm
Basic dynamic load rating - C7 kN
Basic static load rating - C05.4 kN
Fatigue load limit - Pu0.232 kN
Limiting speed for grease lubrication24000 r/min
Limiting speed for oil lubrication38000 mm/min
Ball - Dw4.762 mm
Ball - z27
Gref1.75 cm3
Calculation factor - e0.68
Calculation factor - Y20.87
Calculation factor - Y00.38
Calculation factor - X20.41
Calculation factor - Y10.92
Calculation factor - Y21.41
Calculation factor - Y00.76
Calculation factor - X20.67
Preload class A - GA41 N
Preload class B - GB82 N
Preload class C - GC245 N
Calculation factor - f1.08
Calculation factor - f10.99
Calculation factor - f2A1
Calculation factor - f2B1.02
Calculation factor - f2C1.07
Calculation factor - fHC1
Preload class A74 N/micron
Preload class B95 N/micron
Preload class C143 N/micron
d153.45 mm
d252.4 mm
D261.8 mm
C15.9 mm
C22.8 mm
C31.7 mm
r1,2 min.0.6 mm
r3,4 min.0.3 mm
da min.48.2 mm
db min.48.2 mm
Da max.64.8 mm
Db max.66 mm
ra max.0.6 mm
rb max.0.3 mm
dn54.2 mm
Basic dynamic load rating C9.56 kN
Basic static load rating C09 kN
Fatigue load limit Pu0.232 kN
Attainable speed for grease lubrication24000 r/min
Attainable speed for oil-air lubrication38000 r/min
Ball diameter Dw4.762 mm
Number of balls z27
Reference grease quantity Gref1.75 cm³
Preload class A GA41 N
Static axial stiffness, preload class A74 N/µm
Preload class B GB82 N
Static axial stiffness, preload class B95 N/µm
Preload class C GC245 N
Static axial stiffness, preload class C143 N/µm
Calculation factor f1.08
Calculation factor f10.99
Calculation factor f2A1
Calculation factor f2B1.02
Calculation factor f2C1.07
Calculation factor fHC1
Calculation factor e0.68
Calculation factor (single, tandem) Y20.87
Calculation factor (single, tandem) Y00.38
Calculation factor (single, tandem) X20.41
Calculation factor (back-to-back, face-to-face) Y10.92
Calculation factor (back-to-back, face-to-face) Y21.41
Calculation factor (back-to-back, face-to-face) Y00.76
Calculation factor (back-to-back, face-to-face) X20.67
Mass bearing0.13 kg

3.937 Inch | 100 Millimeter x 5.906 Inch | 150 Millimeter x 1.89 Inch | 48 Millimeter  NTN 7020HVDUJ74  Precision Ball Bearings

3.937 Inch | 100 Millimeter x 5.906 Inch | 150 Millimeter x 1.89 Inch | 48 Millimeter NTN 7020HVDUJ74 Precision Ball Bearings Cad Models

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