NTN PK20X29X15.1 needle roller bearings
With over 10170 full-service stores, our NTN PK20X29X15.1 needle roller bearings inventory 50x90x20 Size (mm) is extensive 90 Outer Diameter (mm) and our parts are priced right. within 24 hours. This helps 50 Bore Diameter (mm) you maximize your productivity by saving time and your hard-earned dollars.
| Size (mm) | 50x90x20 |
| Bore Diameter (mm) | 50 |
| Outer Diameter (mm) | 90 |
| Width (mm) | 20 |
| d | 50 mm |
| D | 90 mm |
| H | 20 mm |
| d1 | 64.4 mm |
| d2 | 72 mm |
| D1 | 72.1 mm |
| D2 | 80.43 mm |
| r1,2 – min. | 1.1 mm |
| a | 78 mm |
| da – min. | 59 mm |
| db – min. | 59 mm |
| Da – max. | 84 mm |
| Db – max. | 84 mm |
| ra – max. | 1 mm |
| Basic dynamic load rating – C | 46.5 kN |
| Basic static load rating – C0 | 146 kN |
| Fatigue load limit – Pu | 5.4 kN |
| Limiting speed for grease lubrication | 6000 r/min |
| Limiting speed for oil lubrication | 7000 mm/min |
| Preload class A | 4100 N |
| Preload class B | 8200 N |
| Frictional moment, Preload class A | 0.31 N·m |
| Frictional moment, Preload class B | 0.68 N·m |
| Static Axial rigidity, Preload class A | 1410 N/micron |
| Static Axial rigidity, Preload class B | 1800 N/micron |
| Max. axial load – Fa | max. 42.5 kN |
| Gref | 5.2 cm3 |
| r1,2 min. | 1.1 mm |
| da min. | 59 mm |
| db min. | 59 mm |
| Da max. | 84 mm |
| Db max. | 84 mm |
| ra max. | 1 mm |
| Basic dynamic load rating C | 46.5 kN |
| Basic static load rating C0 | 146 kN |
| Fatigue load limit Pu | 5.4 kN |
| Attainable speed for grease lubrication | 6000 r/min |
| Attainable speed for oil-air lubrication | 7000 r/min |
| Frictional moment, preload class A | 0.31 N·m |
| Frictional moment, preload class B | 0.68 N·m |
| Static axial stiffnes, preload A | 1410 N/µm |
| Static axial stiffnes, preload B | 1800 N/µm |
| Maximum axial load carrying capacity Fa max. | 42.5 kN |
| Reference grease quantity Gref | 5.2 cm³ |
| Mass bearing | 0.56 kg |
Detailed Parameters
parameter：
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