Product Details

MI-20 Inch Needle Roller Bearing 38.1x52.39x31.75mm

Model Number (B&C-A089)
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

MI-20 Inch Needle Roller Bearing 38.1x52.39x31.75mm Size Chart (mm/inches)

Bearing number7019 ACD/HCP4AL
Size (mm)145x95x24
Bore Diameter (mm)145
Outer Diameter (mm)95
Width (mm)24
d95 mm
D145 mm
B24 mm
d1110.4 mm
d2110.4 mm
D1129.6 mm
b2.2 mm
C113.4 mm
C25.2 mm
C34.3 mm
r1,2 - min.1.5 mm
r3,4 - min.1 mm
a40.1 mm
da - min.102 mm
db - min.102 mm
Da - max.138 mm
Db - max.141 mm
ra - max.1.5 mm
rb - max.1 mm
dn113.7 mm
Basic dynamic load rating - C76.1 kN
Basic static load rating - C076.5 kN
Fatigue load limit - Pu2.9 kN
Limiting speed for grease lubrication10000 r/min
Limiting speed for oil lubrication16000 mm/min
Ball - Dw15.875 mm
Ball - z21
Gref15.6 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 - GA480 N
Preload class B - GB960 N
Preload class C - GC1920 N
Preload class D - GD3840 N
Calculation factor - f1.15
Calculation factor - f10.99
Calculation factor - f2A1
Calculation factor - f2B1.02
Calculation factor - f2C1.05
Calculation factor - f2D1.08
Calculation factor - fHC1.02
Preload class A286 N/micron
Preload class B374 N/micron
Preload class C497 N/micron
Preload class D673 N/micron
d1110.4 mm
d2110.4 mm
D1129.6 mm
C113.4 mm
C25.2 mm
C34.3 mm
r1,2 min.1.5 mm
r3,4 min.1 mm
da min.102 mm
db min.102 mm
Da max.138 mm
Db max.141 mm
ra max.1.5 mm
rb max.1 mm
dn113.7 mm
Basic dynamic load rating C76.1 kN
Basic static load rating C076.5 kN
Fatigue load limit Pu2.9 kN
Attainable speed for grease lubrication10000 r/min
Attainable speed for oil-air lubrication16000 r/min
Ball diameter Dw15.875 mm
Number of balls z21
Reference grease quantity Gref15.6 cm³
Preload class A GA480 N
Static axial stiffness, preload class A286 N/µm
Preload class B GB960 N
Static axial stiffness, preload class B374 N/µm
Preload class C GC1920 N
Static axial stiffness, preload class C497 N/µm
Preload class D GD3840 N
Static axial stiffness, preload class D673 N/µm
Calculation factor f1.15
Calculation factor f10.99
Calculation factor f2A1
Calculation factor f2B1.02
Calculation factor f2C1.05
Calculation factor f2D1.08
Calculation factor fHC1.02
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 bearing1 kg
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