Product Details

material: Whittet-Higgins CNB-28 Bearing Lock Nuts

Brand Name Whittet-Higgins
Model Number CNB-28
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

Whittet-Higgins CNB-28 bearing Size Chart (mm/inches)

Bearing number71920 CE/HCP4A
Size (mm)140x100x20
Bore Diameter (mm)140
Outer Diameter (mm)100
Width (mm)20
d100 mm
D140 mm
B20 mm
d1112.4 mm
d2109 mm
D1127.51 mm
r1,2 - min.1.1 mm
r3,4 - min.0.6 mm
a26.7 mm
da - min.106 mm
db - min.103.2 mm
Da - max.134 mm
Db - max.136.8 mm
ra - max.1 mm
rb - max.0.6 mm
dn115.4 mm
Basic dynamic load rating - C39 kN
Basic static load rating - C031.5 kN
Fatigue load limit - Pu1.2 kN
Limiting speed for grease lubrication15500 r/min
Limiting speed for oil lubrication24000 mm/min
Ball - Dw12.7 mm
Ball - z24
Gref10 cm3
Calculation factor - f08.5
Preload class A - GA208 N
Preload class B - GB624 N
Preload class C - GC1250 N
Calculation factor - f1.18
Calculation factor - f1
Calculation factor - f2A1
Calculation factor - f2B1.05
Calculation factor - f2C1.09
Calculation factor - fHC1.01
Preload class A81 N/micron
Preload class B129 N/micron
Preload class C178 N/micron
d1112.4 mm
d2109 mm
D1127.51 mm
r1,2 min.1.1 mm
r3,4 min.0.6 mm
da min.106 mm
db min.103.2 mm
Da max.134 mm
Db max.136.8 mm
ra max.1 mm
rb max.0.6 mm
dn115.4 mm
Basic dynamic load rating C39 kN
Basic static load rating C031.5 kN
Fatigue load limit Pu1.2 kN
Attainable speed for grease lubrication15500 r/min
Attainable speed for oil-air lubrication24000 r/min
Ball diameter Dw12.7 mm
Number of balls z24
Reference grease quantity Gref10 cm³
Preload class A GA208 N
Static axial stiffness, preload class A81 N/µm
Preload class B GB624 N
Static axial stiffness, preload class B129 N/µm
Preload class C GC1250 N
Static axial stiffness, preload class C178 N/µm
Calculation factor f1.18
Calculation factor f11
Calculation factor f2A1
Calculation factor f2B1.05
Calculation factor f2C1.09
Calculation factor fHC1.01
Calculation factor f08.5
Mass bearing0.65 kg
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