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MS27645-4A

Bearing, Ball, Airframe

Part number
MS27645-4A
NSN
3110-00-042-4807
NIIN
00-042-4807
Item name
Bearing, Ball, Airframe
Manufacturer
Embraer - Empresa Brasileira DE
CAGE code
001JK
FSC
3110
Unit of issue
EA
DEMIL code
A

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Alternate part numbers

Technical characteristics

Bore Diameter
0.2500 inches nominal
Overall Outside Diameter
0.7500 inches nominal
Outer Ring Width
0.2190 inches nominal
Inner Ring Width
0.2810 inches nominal
Seal Quantity
2
Bearing Seal Type
Contact
Alignment Type
Self-aligning
Load Direction
Radial
Self-Alignment Location
Internal
Standard Tolerance Designation
Afbma std tolerance for airframe ball bearings
Special Features
80 pct. full of MIL-G-81322, axial play 0.025 in. max., heat treat rings and balls to rockwell C 60 to 66 and stabilized for operation at 250 deg.F, 8 deg self-aligning in either direction
Lubrication Material Document and Classification
MIL-G-81322 mil spec single material response
Material
Plastic polytetrafluoroethylene seal
Material
Steel comp E51100 or steel comp E52100 ball
Material
Steel comp E52100 inner ring
Material
Steel comp E52100 outer ring
Material
Steel corrosion resisting retainer
Material Document and Classification
66 fed std all material responses ball
Material Document and Classification
66 fed std single material response inner ring
Material Document and Classification
66 fed std single material response outer ring
Material Document and Classification
Ams 3652 assn std single material response or ams 3666 assn std single material response seal
Surface Treatment
Cadmium exposed surfaces as mounted
Surface Treatment Document and Classification
QQ-P-416, ty 1, cl 2 fed spec single treatment response exposed surfaces as mounted
Style Designator
Single row self aligning single row inner ring extended both sides
Catalogue data is compiled from public DLA/FLIS sources and is provided for identification. Availability, condition and certification are confirmed on quotation. OmniSynk Distribution Services is a stocking distributor.

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