Product Details

30 mm x 55 mm x 8 mm KOYO 234406B thrust ball bearings

Brand Name KOYO
Model Number 234406B
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

KOYO 234406B bearing Size Chart (mm/inches)

Bearing number7024 ACD/HCP4AL
Size (mm)180x120x28
Bore Diameter (mm)180
Outer Diameter (mm)120
Width (mm)28
d120 mm
D180 mm
B28 mm
d1138.5 mm
d2138.5 mm
D1161.5 mm
b2.8 mm
C115 mm
C26.2 mm
C35.4 mm
r1,2 - min.2 mm
r3,4 - min.1 mm
a49.1 mm
da - min.129 mm
db - min.129 mm
Da - max.171 mm
Db - max.175 mm
ra - max.2 mm
rb - max.1 mm
dn142.6 mm
Basic dynamic load rating - C111 kN
Basic static load rating - C0116 kN
Fatigue load limit - Pu4 kN
Limiting speed for grease lubrication8000 r/min
Limiting speed for oil lubrication12000 mm/min
Ball - Dw19.05 mm
Ball - z22
Gref27 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 - GA690 N
Preload class B - GB1380 N
Preload class C - GC2760 N
Preload class D - GD5520 N
Calculation factor - f1.17
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 A353 N/micron
Preload class B461 N/micron
Preload class C613 N/micron
Preload class D831 N/micron
d1138.5 mm
d2138.5 mm
D1161.5 mm
C115 mm
C26.2 mm
C35.4 mm
r1,2 min.2 mm
r3,4 min.1 mm
da min.129 mm
db min.129 mm
Da max.171 mm
Db max.175 mm
ra max.2 mm
rb max.1 mm
dn142.6 mm
Basic dynamic load rating C111 kN
Basic static load rating C0116 kN
Fatigue load limit Pu4 kN
Attainable speed for grease lubrication8000 r/min
Attainable speed for oil-air lubrication12000 r/min
Ball diameter Dw19.05 mm
Number of balls z22
Reference grease quantity Gref27 cm³
Preload class A GA690 N
Static axial stiffness, preload class A353 N/µm
Preload class B GB1380 N
Static axial stiffness, preload class B461 N/µm
Preload class C GC2760 N
Static axial stiffness, preload class C613 N/µm
Preload class D GD5520 N
Static axial stiffness, preload class D831 N/µm
Calculation factor f1.17
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 bearing1.76 kg
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