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) |
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Bearing number | 71920 CE/HCP4A |
Size (mm) | 140x100x20 |
Bore Diameter (mm) | 140 |
Outer Diameter (mm) | 100 |
Width (mm) | 20 |
d | 100 mm |
D | 140 mm |
B | 20 mm |
d1 | 112.4 mm |
d2 | 109 mm |
D1 | 127.51 mm |
r1,2 - min. | 1.1 mm |
r3,4 - min. | 0.6 mm |
a | 26.7 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 |
dn | 115.4 mm |
Basic dynamic load rating - C | 39 kN |
Basic static load rating - C0 | 31.5 kN |
Fatigue load limit - Pu | 1.2 kN |
Limiting speed for grease lubrication | 15500 r/min |
Limiting speed for oil lubrication | 24000 mm/min |
Ball - Dw | 12.7 mm |
Ball - z | 24 |
Gref | 10 cm3 |
Calculation factor - f0 | 8.5 |
Preload class A - GA | 208 N |
Preload class B - GB | 624 N |
Preload class C - GC | 1250 N |
Calculation factor - f | 1.18 |
Calculation factor - f | 1 |
Calculation factor - f2A | 1 |
Calculation factor - f2B | 1.05 |
Calculation factor - f2C | 1.09 |
Calculation factor - fHC | 1.01 |
Preload class A | 81 N/micron |
Preload class B | 129 N/micron |
Preload class C | 178 N/micron |
d1 | 112.4 mm |
d2 | 109 mm |
D1 | 127.51 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 |
dn | 115.4 mm |
Basic dynamic load rating C | 39 kN |
Basic static load rating C0 | 31.5 kN |
Fatigue load limit Pu | 1.2 kN |
Attainable speed for grease lubrication | 15500 r/min |
Attainable speed for oil-air lubrication | 24000 r/min |
Ball diameter Dw | 12.7 mm |
Number of balls z | 24 |
Reference grease quantity Gref | 10 cm³ |
Preload class A GA | 208 N |
Static axial stiffness, preload class A | 81 N/µm |
Preload class B GB | 624 N |
Static axial stiffness, preload class B | 129 N/µm |
Preload class C GC | 1250 N |
Static axial stiffness, preload class C | 178 N/µm |
Calculation factor f | 1.18 |
Calculation factor f1 | 1 |
Calculation factor f2A | 1 |
Calculation factor f2B | 1.05 |
Calculation factor f2C | 1.09 |
Calculation factor fHC | 1.01 |
Calculation factor f0 | 8.5 |
Mass bearing | 0.65 kg |