70004-257

Comprehensive specifications and application details for: 70004-257 Annular Ball Bearing.

Summary

Explore detailed summary information for bearing: 70004-257. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
70004-257
Federal Supply Classification
3110 Unmounted Antifriction Bearings
(NSN) National Stock Number
3110-01-472-9729
Item Name Code
00014
Federal Item Identification Guide
A044A0
Assigment Date
03/23/2000

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.

standard internal fit-up designation, straight bore shape, contact bearing seal type, support equipment (se), b-2 bomber end item identification, 5.5118 inches nominal bore diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-01-472-9729 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bearing Seal Type
contact
Bore Diameter
5.5118 inches nominal
Bore Shape
straight
End Item Identification
support equipment (se), b-2 bomber
Internal Fit-Up Designation
standard
Load Direction
radial
Overall Outside Diameter
8.2677 inches nominal
Overall Width
1.2992 inches nominal
Material
steel overall
Retainer Fabrication Method
pressed
Seal Quantity
2
Standard Tolerance Designation
abec no.1
Style Designator
non-loading groove, non-separable
Surface Finish
ground

Frequently Asked Questions

Find quick answers to common questions about bearing: 70004-257. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-01-472-9729?
The FSCG of the NSN 3110-01-472-9729 is 3110
Does the NSN 3110-01-472-9729 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105028
Does NSN 3110-01-472-9729 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 3110-01-472-9729 contain precious materials?
Item does not contain precious metal.
Does NSN 3110-01-472-9729 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 3110-01-472-9729 was assigned to the Federal Catalog?
It was assigned 25 years ago, on Thu, Mar 23, 2000

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