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

Annular Ball Bearing

Model / MPN: 556259 | NSN: 3110-00-474-3208
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
3110-00-474-3208
Sold in multiples of
1 EA
DEMIL
NO
Bore Diameter
Between 0.09355 inches and 0.09370 inches
Lubrication Material
Oil
Flange Outside Diameter
Between 0.2330 inches and 0.2340 inches
Flange Width
Between 0.0170 inches and 0.0180 inches
Outer Ring Width
Between 0.0615 inches and 0.0625 inches
Inner Ring Width
Between 0.0927 inches and 0.0937 inches
Outer Ring Outside Diameter
Between 0.18735 inches and 0.18750 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
Lubrication Material
Oil
Lubrication Material Specification
Mil-l-6085 military specification single material response
Material
Steel ball
Material
Steel comp 410 retainer
Material
Steel inner ring
Material
Steel outer ring
Material Specification
Ams 5630 military standard single material response ball
Material Specification
Ams 5630 military standard single material response inner ring
Material Specification
Ams 5630 military standard single material response outer ring
Material Specification
Fed-std-66 federal standard single material response retainer
Style Designator
Non-loading groove, non-separable
55625 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE4A619T670R Bearing, Ball, Annula 78 EA 03/22/2019
SPE4A621T19C8 Bearing, Ball, Annula 10 EA 03/11/2021

Pricing and Availability

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556259 Cross Reference
  • SFR133EEK28
  • 556259
  • 556259