New Hampshire Bearings MS27647-4 Bearing

Part#: MS27647-4 NSN: 3110-00-277-8348

About this product MS27647-4 is a military-standard, intermediate-duty airframe ball bearing designed for aerospace control systems and mechanical assemblies. Featuring an extra-wide double-row configuration, this bearing has a 0.250-inch nominal bore, 0.750-inch outside diameter, 0.875-inch inner ring width and 0.750-inch outer ring width. Manufactured with hardened bearing-steel rings and balls, dual PTFE contact seals and MIL-G-81322 grease lubrication, MS27647-4 provides reliable radial-load support in demanding aircraft environments. Cross-referenced to manufacturer designation DW4K and identified under NSN 3110-00-277-8348, this bearing is suitable for aircraft control mechanisms, helicopter assemblies and military aerospace maintenance applications. * Manufacturer certifications are shipped with your order FREE of charge

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Product Details

Part Number or Model	MS27647-4
Description	Bearing
Schedule B Class	8482.10.5068
ECCN (Export Control Class)	EAR99
Special Features	M80 percent full of grease mil-g-81322, heat treat rings and balls to rockwell c scale 60 to 66 and heat stabilized for operation at 250 degree, radial and lateral eccentricity 0.001 in. inner ring, 0.0016 in. outer ring
Seal Quantity	2
Part Name Assigned By Controlling Agency	Bearing ball, airframe, anti friction, extra wide double row, intermediate duty
Overall Outside Diameter	0.7495 inches minimum and 0.7500 inches maximum
Outer Ring Width	0.7450 inches minimum and 0.7500 inches maximum
Material Specification	Ams 6440 assn std single material response outer ring
Material Specification	Ams 6440 assn std single material response inner ring
Material Specification	Ams 6440 assn std single material response ball
Material Specification	Ams 3652 assn std single material response seal
Material	Steel comp e52100 outer ring
Material	Steel comp e52100 inner ring
Material	Steel comp e52100 ball
Lubrication Material	Grease
Lubrication Material Specification	Mil-g-81322 mil spec single material response
Material	Plastic polytetrafluoroethylene seal
Load Direction	Radial
Inner Ring Width	0.8700 inches and 0.8750 inches
Bearing Seal Type	Contact
Bore Diameter	0.2495 inches and 0.2500 inches
Style Designator	Double row
Surface Treatment	Cadmium all external/exposed metal surfaces
Surface Treatment Specification	Qq-p-416, type 1, class 2 fed spec single treatment response all external/exposed metal surfaces

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