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MS27645-4 Military Standard Airframe Ball Bearing

Heavy duty, double row, anti-friction, MS27645 series bearing

Manufacturer certifications are shipped with your order FREE of charge

Add to Cart Available Quantity: 26

MS27645-4 Price: $26.95 /Each

MS27645-4 Spec.

Alignment Type:
Bearing Seal Type:
Bore Diameter:
0.2500 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:
0.3350 inches
Inner Ring Width:
0.4840 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:
Self-alignment Location:
Overall Outside Diameter:
0.9014 inches
Special Features:
10 degrees self-aligning in either direction test kx heat treat rings and balls to rockwell c 60 to 66 and stabilized for operation at 250 deg.f axial play 0.025 in. max. a80 pct.full of mil-g-81322
Standard Tolerance Designation:
Afbma standard tolerance for airframe ball bearings
Style Designator:
Single row self aligning 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 MS27645 4

Found In: MS Series Bearings
Gov. Issued Name: Bearing, Ball, Airframe
NSN: 3110-00-042-4806
FSC: Bearings, Antifriction, Unmounted / 3110
Associated NSN(s):
  • 3110-00-104-9431
  • 3110-00-580-4807
Schedule B: 8482.10.5068, Ball bearings, nesoi
ECCN: 9A991.d
National Motor Freight: 114820, Bearings / Bushings Noi Ball / Roller
PDF: MS27645-4 Spec.pdf