NTN NA5911 needle roller bearings

NTN NA5911 needle roller bearings 50 Bore Diameter (mm) with easy-to-use parts graphics, giving you the ability to check parts availability, pricing, examine remanufactured options. 50x165x66 Size (mm)
Size (mm) | 50x165x66 |
Bore Diameter (mm) | 50 |
Outer Diameter (mm) | 165 |
Width (mm) | 66 |
d | 50 mm |
H | 165 mm |
A | 66 mm |
A1 | 64.26 mm |
A2 | 43.5 mm |
A3 | 17 mm |
d1 | 66 mm |
D1 | 128 mm |
D2 | 124 mm |
D3 | 76 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, Preload class A | 4800 r/min |
Limiting speed for oil lubrication | 2400 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 |
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 preload class A | 4800 r/min |
Attainable speed for preload class B | 2400 r/min |
Frictional moment for preload class A | 0.31 N·m |
Frictional moment for preload class B | 0.68 N·m |
Static axial stiffnes for preload class A | 1410 N/µm |
Static axial stiffnes for preload class B | 1800 N/µm |
Mass cartridge unit | 5.7 kg |
Through hole diameter for attachment bolts N | 11.4 mm |
Pitch diameter of attachement bolt holes J | 146 mm |
Cartridge half diameter without flange J1 | 64 mm |
Detailed Parameters
parameter:
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