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Annular Ball Bearing

Model / MPN: 720281-1 | NSN: 3110-01-087-9395
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
3110-01-087-9395
Sold in multiples of
1 EA
DEMIL
NO
Bore Diameter
Between 0.1248 inches and 0.1250 inches
Overall Outside Diameter
Between 0.4373 inches and 0.4375 inches
Lubrication Material
Oil
Outer Ring Width
Between 0.1084 inches and 0.1094 inches
Inner Ring Width
Between 0.1396 inches and 0.1406 inches
Surface Finish
Ground
Retainer Fabrication Method
Pressed
Load Direction
Radial
Bore Shape
Straight
Internal Clearance
0.0001 inches radial and 0.0003 inches radial
Standard Tolerance Designation
Abec no.7
Lubrication Material Specification
Mil-l-7870 military specification single material response
Material
Steel comp 440a
Material Specification
Aisi assn standard single material response
Style Designator
Non-loading groove, non-separable
Test Data Document
73030-720281-1 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
720281 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE4A517TC898 Bearing, Ball, Annula 81 EA 01/27/2017
SPE4A517TGS58 Bearing, Ball, Annula 81 EA 09/20/2017
SPE4A418T3030 Bearing, Ball, Annula 85 EA 05/21/2018
SPE4A419T8888 Bearing, Ball, Annula 108 EA 08/05/2019
SPE4A419T9142 Bearing, Ball, Annula 108 EA 08/14/2019

Pricing and Availability

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720281-1 Cross Reference
  • 720281-1
  • SR2-5EEC5K13/9
  • 720281-1