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  • Ball - 440C stainless steel per AMS 5630, heat treated.
  • Race - 17-4PH stainless steel per AMS 5643, heat treated.
  • The metal to metal Spherical Bearings listed in the tables below 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.
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Item #

Bearing Type

B - Ball Bore

D - Outside Diameter

W - Ball Width

H - Race Width

Radial Static Limit Load Capacity

Axial Static Limit Load Capacity

NC-3G N/A Grooved N/A .1900 in N/A .5625 in N/A .281 in N/A .218 in N/A 3975 lb N/A 150 lb
NC-3 N/A Plain N/A .1900 in N/A .5625 in N/A .281 in N/A .218 in N/A 3975 lb N/A 150 lb
NC-4G N/A Grooved N/A .2500 in N/A .6562 in N/A .343 in N/A .250 in N/A 6040 lb N/A 430 lb
NC-4 N/A Plain N/A .2500 in N/A .6562 in N/A .343 in N/A .250 in N/A 6040 lb N/A 430 lb
NC-5G N/A Grooved N/A .3125 in N/A .7500 in N/A .375 in N/A .281 in N/A 8750 lb N/A 700 lb
NC-5 N/A Plain N/A .3125 in N/A .7500 in N/A .375 in N/A .281 in N/A 8750 lb N/A 700 lb
NC-6G N/A Grooved N/A .3750 in N/A .8125 in N/A .406 in N/A .312 in N/A 10540 lb N/A 1100 lb
NC-6 N/A Plain N/A .3750 in N/A .8125 in N/A .406 in N/A .312 in N/A 10540 lb N/A 1100 lb
NC-7G N/A Grooved N/A .4375 in N/A .9062 in N/A .437 in N/A .343 in N/A 13200 lb N/A 1400 lb
NC-7 N/A Plain N/A .4375 in N/A .9062 in N/A .437 in N/A .343 in N/A 13200 lb N/A 1400 lb
NC-8G N/A Grooved N/A .5000 in N/A 1.0000 in N/A .500 in N/A .390 in N/A 17900 lb N/A 2100 lb
NC-8 N/A Plain N/A .5000 in N/A 1.0000 in N/A .500 in N/A .390 in N/A 17900 lb N/A 2100 lb
NC-9G N/A Grooved N/A .5625 in N/A 1.0937 in N/A .562 in N/A .437 in N/A 23200 lb N/A 3680 lb
NC-9 N/A Plain N/A .5625 in N/A 1.0937 in N/A .562 in N/A .437 in N/A 23200 lb N/A 3680 lb
NC-10G N/A Grooved N/A .6250 in N/A 1.1875 in N/A .625 in N/A .500 in N/A 30500 lb N/A 4720 lb
NC-10 N/A Plain N/A .6250 in N/A 1.1875 in N/A .625 in N/A .500 in N/A 30500 lb N/A 4720 lb
NC-12G N/A Grooved N/A .7500 in N/A 1.4375 in N/A .750 in N/A .593 in N/A 46400 lb N/A 6750 lb
NC-12 N/A Plain N/A .7500 in N/A 1.4375 in N/A .750 in N/A .593 in N/A 46400 lb N/A 6750 lb
NC-14G N/A Grooved N/A .8750 in N/A 1.5625 in N/A .875 in N/A .703 in N/A 62200 lb N/A 9350 lb
NC-14 N/A Plain N/A .8750 in N/A 1.5625 in N/A .875 in N/A .703 in N/A 62200 lb N/A 9350 lb
NC-16G N/A Grooved N/A 1.0000 in N/A 1.7500 in N/A 1.000 in N/A .797 in N/A 82200 lb N/A 12160 lb
NC-16 N/A Plain N/A 1.0000 in N/A 1.7500 in N/A 1.000 in N/A .797 in N/A 82200 lb N/A 12160 lb
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