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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-AS14102 and SAE-AS14103.
  • Consult factory for material substitutions or dimensional modification possibilities.
  • Radial Clearance is .002 max (for .0005 max, use suffix-R Example: WC-6R).
  • For dry-film lubrication on the inside diameter of races, use suffix D(Example WC-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

WC-3G N/A Grooved N/A .1900 in N/A .6250 in N/A .437 in N/A .327 in N/A 2500 lb N/A 1,770 lb
WC-3 N/A Plain N/A .1900 in N/A .6250 in N/A .437 in N/A .327 in N/A 2500 lb N/A 1,770 lb
WC-4G N/A Grooved N/A .2500 in N/A .6250 in N/A .437 in N/A .327 in N/A 5500 lb N/A 1,770 lb
WC-4 N/A Plain N/A .2500 in N/A .6250 in N/A .437 in N/A .327 in N/A 5500 lb N/A 1,770 lb
WC-5G N/A Grooved N/A .3125 in N/A .6875 in N/A .437 in N/A .317 in N/A 9400 lb N/A 1,640 lb
WC-5 N/A Plain N/A .3125 in N/A .6875 in N/A .437 in N/A .317 in N/A 9400 lb N/A 1,640 lb
WC-6G N/A Grooved N/A .3750 in N/A .8125 in N/A .500 in N/A .406 in N/A 13700 lb N/A 2,630 lb
WC-6 N/A Plain N/A .3750 in N/A .8125 in N/A .500 in N/A .406 in N/A 13700 lb N/A 2,630 lb
WC-7G N/A Grooved N/A .4375 in N/A .9375 in N/A .562 in N/A .442 in N/A 20700 lb N/A 3,650 lb
WC-7 N/A Plain N/A .4375 in N/A .9375 in N/A .562 in N/A .442 in N/A 20700 lb N/A 3,650 lb
WC-8G N/A Grooved N/A .5000 in N/A 1.0000 in N/A .625 in N/A .505 in N/A 21400 lb N/A 4,970 lb
WC-8 N/A Plain N/A .5000 in N/A 1.0000 in N/A .625 in N/A .505 in N/A 21400 lb N/A 4,970 lb
WC-9G N/A Grooved N/A .5625 in N/A 1.1250 in N/A .687 in N/A .536 in N/A 26600 lb N/A 5,370 lb
WC-9 N/A Plain N/A .5625 in N/A 1.1250 in N/A .687 in N/A .536 in N/A 26600 lb N/A 5,370 lb
WC-10G N/A Grooved N/A .6250 in N/A 1.1875 in N/A .750 in N/A .567 in N/A 29000 lb N/A 6,130 lb
WC-10 N/A Plain N/A .6250 in N/A 1.1875 in N/A .750 in N/A .567 in N/A 29000 lb N/A 6,130 lb
WC-12G N/A Grooved N/A .7500 in N/A 1.3750 in N/A .875 in N/A .630 in N/A 37000 lb N/A 7,730 lb
WC-12 N/A Plain N/A .7500 in N/A 1.3750 in N/A .875 in N/A .630 in N/A 37000 lb N/A 7,730 lb
WC-14G N/A Grooved N/A .8750 in N/A 1.6250 in N/A .875 in N/A .755 in N/A 65200 lb N/A 10,800 lb
WC-14 N/A Plain N/A .8750 in N/A 1.6250 in N/A .875 in N/A .755 in N/A 65200 lb N/A 10,800 lb
WC-16G N/A Grooved N/A 1.0000 in N/A 2.1250 in N/A 1.375 in N/A 1.005 in N/A 104000 lb N/A 19,300 lb
WC-16 N/A Plain N/A 1.0000 in N/A 2.1250 in N/A 1.375 in N/A 1.005 in N/A 104000 lb N/A 19,300 lb
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