The Timken Company - Aurora Bearing Inch Shock Absorber Bearings

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Effective August 21st, 2023, the Naval Air Warfare Center Aircraft Division (NAWCAD) has disapproved Timken Aurora’s qualification status for SAE-AS81820 and SAE-AS81935 specifications. Timken Aurora is working diligently to get requalified.

Ball - Alloy steel - heat treated - hard chrome plated.
Race -See 2D Sales drawing for details.

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Unit of Measure

Items	COM-8-53 Aurora Bearing Shock Absorber Bearings	COM-8T-7 Aurora Bearing Shock Absorber Bearings	COM-8T-18 Aurora Bearing Shock Absorber Bearings	COM-8T-20 Aurora Bearing Shock Absorber Bearings	COM-8T-24 Aurora Bearing Shock Absorber Bearings
Bearing Type	N/A Plain
B - Ball Bore	N/A .5000 in	N/A .5000 in	N/A .5000 in	N/A .5000 in	N/A .5000 in
D - Outside Diameter	N/A 1.0000 in	N/A .8750 in	N/A 1.1875 in	N/A .8750 in	N/A 1.0235 in
H - Race Width	N/A .390 in	N/A .375 in	N/A .395 in	N/A .375 in	N/A .355 in
W - Ball Width	N/A .625 in	N/A .437 in	N/A .750 in	N/A .437 in	N/A .625 in
O - Ball Shoulder Diameter	N/A .612 in	N/A .61 in	N/A .661 in	N/A .61 in	N/A .612 in
M - Chamfer	N/A .025 in	N/A .025 in	N/A .025 in	N/A .025 in	N/A .027 in
Ball Diameter	N/A .875 in	N/A .750 in	N/A 1.000 in	N/A .750 in	N/A .875 in
P - Groove Depth	N/A
G - Groove Pitch Diameter	N/A
R - Grooved Radius	N/A
a - Misalignment Angle	N/A 19 º	N/A 6 º	N/A 25 º	N/A 6 º	N/A 22 º
Radial Static Limit Load Capacity	N/A 15,502 lbs	N/A 19,688 lbs	N/A 14,455 lbs	N/A 11,250 lbs	N/A 14,179 lbs
Type of Lubrication	N/A	N/A PTFE liner	N/A PTFE liner	N/A PTFE liner	N/A PTFE liner