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Worldwide distributor of NSN parts and consumables located in the USA.

Annular Ball Bearing

Model / MPN: 552721 | NSN: 3110-00-914-3269
ITAR Registered seal

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing, ball, duplex. Excludes bearing, ball, airframe.

Product Details
NATO Stock Number
3110-00-914-3269
Sold in multiples of
1 EA
DEMIL
NO
Bore Diameter
Between 0.1248 inches and 0.1250 inches
Flange Outside Diameter
Between 0.2950 inches and 0.2960 inches
Flange Width
Between 0.0220 inches and 0.0230 inches
Outer Ring Width
Between 0.0927 inches and 0.0937 inches
Inner Ring Width
Between 0.1240 inches and 0.1250 inches
Outer Ring Outside Diameter
Between 0.2498 inches and 0.2500 inches
Surface Finish
Ground
Retainer Fabrication Method
Pressed
Load Direction
Radial
Bore Shape
Straight
Internal Clearance
0.0002 inches radial and 0.0008 inches radial
Standard Tolerance Designation
Abec no.7
Material
Steel comp 440c ball
Material
Steel comp 440c inner ring
Material
Steel comp 440c outer ring
Material
Steel comp 410 retainer
Material Specification
Qq-s-763 federal specification single material response ball
Material Specification
Qq-s-763 federal specification single material response inner ring
Material Specification
Qq-s-763 federal specification single material response outer ring
Material Specification
Qq-s-763 federal specification single material response retainer
Style Designator
Non-loading groove, non-separable
55272 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE4A515TBR72 Bearing, Ball, Annular 442 EA 08/17/2015

Pricing and Availability

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552721 Cross Reference
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