77R4X1A

Comprehensive specifications and application details for: 77R4X1A Annular Ball Bearing.

Summary

Explore detailed summary information for bearing: 77R4X1A. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
77R4X1A
Federal Supply Classification
3110 Unmounted Antifriction Bearings
(NSN) National Stock Number
3110-00-155-9628
Item Name Code
00014
Federal Item Identification Guide
A044A0
Assigment Date
01/01/1963

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.

straight bore shape, 0.2500 inches nominal bore diameter, as modified by shield quantity departure from cited designator, radial load direction, standard internal fit-up designation

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-155-9628 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
0.2500 inches nominal
Bore Shape
straight
Departure From Cited Designator
as modified by shield quantity
Internal Fit-Up Designation
standard
Load Direction
radial
Lubrication Material Document And Classification
mil-g-18709 mil spec single material response
Lubrication Material
grease
Overall Outside Diameter
0.6250 inches nominal
Overall Width
0.1970 inches nominal
Material
steel overall
Nondefinitive Spec/Std Data
115 type and 00 grade
Retainer Fabrication Method
pressed
Shield Quantity
2
Standard Tolerance Designation
abec no.1
Style Designator
non-loading groove, non-separable
Surface Finish
ground

Replaces

The NSN 3110-00-155-9628 is used in place of the following discontinued or alternate items:

NSN Name Date
3110-00-119-1668 No Name Available 02/11/1972
3110-00-537-6199 No Name Available 01/01/1960
3110-00-554-5553 No Name Available 01/01/1963
3110-00-826-3952 No Name Available 02/07/1969
3110-00-830-1679 No Name Available 01/01/1962
3110-00-955-1691 No Name Available 03/11/1970

Frequently Asked Questions

Find quick answers to common questions about bearing: 77R4X1A. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-155-9628?
The FSCG of the NSN 3110-00-155-9628 is 3110
Does the NSN 3110-00-155-9628 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105028
Does NSN 3110-00-155-9628 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 3110-00-155-9628 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-155-9628 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 3110-00-155-9628 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963

Price & Availability

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