Military Standard MS27645-4A Airframe Ball Bearing - 2/Pack

*Unless otherwise noted, values are in inches

Material (seal): Plastic (polytetrafluoroethylene, aka Teflon)
Material (ball): Steel (composition E51100 or E52100)
Material (inner and outer ring): Steel (composition E52100)
Material (retainer): Corrosion resistant steel (CRES)
Surface Treatment: Cadmium (exposed surfaces as mounted)
Nominal Bore Diameter: .250
Nonimal Outside Diameter: .750
Lubrication Material: Grease
Nominal Outer Ring Width: .219
Nominal Inner Ring Width: .281
Seal Quantity: 2
Bearing Seal Type: Contact
Alignment Type: Self-aligning
Load Direction: Radial
Self-Alignment Location: Internal