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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