281478-56

Comprehensive specifications and application details for: 281478-56 Annular Ball Bearing.

Summary

Explore detailed summary information for bearing: 281478-56. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
281478-56
Federal Supply Classification
3110 Unmounted Antifriction Bearings
(NSN) National Stock Number
3110-00-156-4829
Item Name Code
00014
Federal Item Identification Guide
A044A0
Assigment Date
01/01/1961

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.

25.0 degrees maximum contact angle, straight bore shape, 25.00 millimeters nominal bore diameter, standard internal fit-up designation, inward convergent internal fit-up contact angular direction

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-156-4829 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
25.00 millimeters nominal
Bore Shape
straight
Contact Angle
25.0 degrees maximum
Internal Fit-Up Designation
standard
Internal Fit-Up Contact Angular Direction
inward convergent
Load Direction
angular
Lubrication Material Document And Classification
mil-g-18709 mil spec single material response
Lubrication Material
grease
Overall Outside Diameter
52.00 millimeters nominal
Overall Width
0.8125 inches nominal
Material
steel overall
Nondefinitive Spec/Std Data
00 grade and 145 type
Standard Tolerance Designation
abec no.1
Style Designator
loading groove, non-separable
Surface Finish
ground

Frequently Asked Questions

Find quick answers to common questions about bearing: 281478-56. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-156-4829?
The FSCG of the NSN 3110-00-156-4829 is 3110
Does the NSN 3110-00-156-4829 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105028
Does NSN 3110-00-156-4829 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 3110-00-156-4829 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-156-4829 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 3110-00-156-4829 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Sun, Jan 1, 1961

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