MS27640-5

Military Standard Airframe Ball Bearing

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Description:

heavy duty anti-friction airframe bearing

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MS27640-5 Datasheet Features and Specification

Bearing Seal Type:
Contact
Bore Diameter:
0.3125 inches
Inner Ring Width:
0.5580 inches
Load Direction:
Radial
Lubrication Material:
Grease
Lubrication Material Specification:
Mil-g-81322 military specification single material response
Material:
Plastic polytetrafluoroethylene seal
Material:
Steel comp e51100 ball or steel comp e52100 ball
Material:
Steel comp e52100 inner ring
Material:
Steel comp e52100 outer ring
Material:
Stainless steel retainer
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
Outer Ring Width:
0.3750 inches
Overall Outside Diameter:
1.2500 inches
Seal Quantity:
2
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:
Cadmium exposed surfaces as mounted
Surface Treatment Specification:
Cl 2 federal specification single treatment response exposed surfaces as mounted type 1 qq-p-416
Quick Specs
Material Plastic

Additional Information

Alternate Part Numbers

  • KP5
SKU / Model: MS276405
NSN: 3110-00-023-7007
FSC: Bearings, Antifriction, Unmounted / 3110
Product Series: MS27640
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 1
ECCN: EAR99
National Motor Freight: 114820, Bearings / Bushings Noi Ball / Roller
Download PDF Version
MS27640-5_Military-Fasteners-com.pdf
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I called the customer service line just before Air Venture at Oshkosh to find out if they would have the parts I needed at their booth. The service rep on the phone was very helpful and was able to check the inventory that was taken to Oshkosh.I was told that the parts would not be available but could be shipped from the warehouse without delay. I ordered a full set of intake seals for a Continental 085 on the spot and they arrived in a few days. I am very happy with the service provided, and will be ordering more parts soon! Thank you Larry

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Fantastic service. Part ordered Monday. Received Wednesday Though customs etc and across America the North Atlantic then UK. Amazing well done and thanks.

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