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MS27640-5 Military Standard Airframe ball bearing

Heavy duty anti-friction airframe bearing

Manufacturer certifications are shipped with your order FREE of charge

Add to Cart Available Quantity: 28

MS27640-5 Price: $39.99 /Each

MS27640-5 Spec.

Bearing Seal Type:
Bore Diameter:
0.3125 inches
Plastic polytetrafluoroethylene seal
Steel comp e51100 ball or steel comp e52100 ball
Steel comp e52100 inner ring
Steel comp e52100 outer ring
Stainless steel retainer
Outer Ring Width:
0.3750 inches
Inner Ring Width:
0.5580 inches
Load Direction:
Lubrication Material Specification:
Mil-g-81322 military specification single material response
Lubrication Material:
Material Specification:
66 federal standard all material responses ball
Material Specification:
66 federal standard single material response inner ring
Material Specification:
66 federal standard single material response outer ring
Material Specification:
Ams 3652 assn standard single material response seal or ams 3666 assn standard single material response seal
Seal Quantity:
Overall Outside Diameter:
1.2500 inches
Special Features:
Radial and lateral eccentricity inner ring 0.0010 in. outer ring 0.0016 in. heat treat rings and balls to rockwell c 60 to 66 and stabilized for operation at 250 deg. f 0.0010 in. max internal radial clearance 0.0004 in. min 80 pct. full of mil-g-81322
Standard Tolerance Designation:
Afbma standard tolerance for airframe ball bearings
Style Designator:
Single row inner ring extended both sides
Surface Treatment Specification:
Cl 2 federal specification single treatment response exposed surfaces as mounted type 1 qq-p-416
Surface Treatment:
Cadmium exposed surfaces as mounted

Additional Information MS27640 5

Found In: MS Series Bearings
Gov. Issued Name: Airframe Ball Bearing
NSN: 3110-00-023-7007
FSC: Bearings, Antifriction, Unmounted / 3110
Associated NSN(s):
  • 3110-00-142-4466
Schedule B: 8482.10.5068, Ball bearings, nesoi
National Motor Freight: 114820, Bearings / Bushings Noi Ball / Roller
PDF: MS27640-5 Spec.pdf