KOYO NUP1020 cylindrical roller bearings

The online KOYO NUP1020 cylindrical roller bearings parts store gives you immediate access to a 140x100x20 Size (mm) selection of more than 1.4 million new, used, 140 Bore Diameter (mm) remanufactured.
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 |
K | 0.5 mm |
C1 | 6.05 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 | 13300 r/min |
Limiting speed for oil lubrication | 20500 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 |
Calculation factor – f2A | 1 |
Calculation factor – f2B | 1.04 |
Calculation factor – f2C | 1.08 |
Calculation factor – fHC | 1 |
Preload class A | 73 N/micron |
Preload class B | 116 N/micron |
Preload class C | 160 N/micron |
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 |
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 | 13300 r/min |
Attainable speed for oil-air lubrication | 20500 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 | 73 N/µm |
Preload class B GB | 624 N |
Static axial stiffness, preload class B | 116 N/µm |
Preload class C GC | 1250 N |
Static axial stiffness, preload class C | 160 N/µm |
Calculation factor f | 1.18 |
Calculation factor f1 | 1 |
Calculation factor f2A | 1 |
Calculation factor f2B | 1.04 |
Calculation factor f2C | 1.08 |
Calculation factor fHC | 1 |
Calculation factor f0 | 8.5 |
Mass bearing | 0.77 kg |
Detailed Parameters
parameter:
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