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Home / Airframe Parts / Bearings / Aurora /Aurora Nc-4 Bearing
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Aurora Nc-4 Bearing

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Part# 05-04891
MFR Model# NC-4

Overview


NC-4 Spherical Bearings Narrow - Aerospace Series, Metal to Metal
  • Ball - 440C stainless steel (AMS 5630), heat treated, hard chrome plated (AMS-QQ-C-320 Class 2).
  • Race - 17-4PH stainless steel (AMS 5643), heat treated.
  • The metal to metal Spherical Bearings have the same envelope dimensions, materials (less Ptfe Liners), basic tolerances (except fit-up), as those that are approved to SAE-AS14101 and SAE-AS14104.
  • Consult factory for material substitutions or dimensional modification possibilities.
  • Radial Clearance is .002 max (for .0005 max, use suffix-R Example: NC-6R).
  • For dry-film lubrication on the inside diameter of races, use suffix D(Example NC-6D). For dry film on ball bore and/or outside diameter, contact factory.

Aurora Spherical Bearing NC-4

Bearing Type Grooved
B - Ball Bore [inch] .2500
D - Outside Diameter [inch] .6562
W - Ball Width [inch] .343
H - Race Width [inch] .250
O - Ball Shoulder Diameter [inch] .364
P - Groove Depth [inch] .025
S - Swaging Lip Width [inch] .010
G - Groove Pitch Diameter [inch] .594
R - Grooved Radius [inch] .010
Ball Dia. [inch] .500
a - Misalignment Angle [degrees] 10
Ultimate Radial Static Load Capacity [Lbs.] 6,040
Ultimate Axial Static Load Capacity [Lbs.] 430
Approximate Brg. Weight [Lbs.] .020

P/N 05-04891

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Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.