MM311KA4045NT

Comprehensive specifications and application details for: MM311KA4045NT Annular Ball Bearing.

Summary

Explore detailed summary information for bearing: MM311KA4045NT. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
MM311KA4045NT
Federal Supply Classification
3110 Unmounted Antifriction Bearings
(NSN) National Stock Number
3110-00-987-3731
Item Name Code
00014
Federal Item Identification Guide
A044A0
Assigment Date
01/01/1962

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.

2.1652 inches minimum and 2.1654 inches maximum bore diameter, annual ball bearing for quiet operation application to submarine usage departure from cited document, zzzw criticality code justification, straight bore shape, 0.0007 inches minimum radial and 0.0011 inches maximum radial internal clearance

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-987-3731 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
2.1652 inches minimum and 2.1654 inches maximum
Bore Shape
straight
Criticality Code Justification
zzzw
Departure From Cited Document
annual ball bearing for quiet operation application to submarine usage
Internal Clearance
0.0007 inches minimum radial and 0.0011 inches maximum radial
Internal Fit-Up Designation
tight
Load Direction
radial
Lubrication Material Document And Classification
mil-g-18709 mil spec single material response
Lubrication Material
grease
Overall Outside Diameter
4.7242 inches minimum and 4.7244 inches maximum
Overall Width
1.1397 inches minimum and 1.1417 inches maximum
Material
steel overall
Nondefinitive Spec/Std Data
111 type and 1 class
Retainer Fabrication Method
pressed
Style Designator
non-loading groove, non-separable
Surface Finish
ground

Replaces

The NSN 3110-00-987-3731 is used in place of the following discontinued or alternate items:

NSN Name Date
3110-00-536-9827 No Name Available 05/30/1969
3110-00-791-1705 No Name Available 05/21/1969
3110-01-170-4159 No Name Available 03/01/1986
3110-01-548-7810 No Name Available 05/01/2015
3110-01-555-6909 No Name Available 10/01/2013

Frequently Asked Questions

Find quick answers to common questions about bearing: MM311KA4045NT. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-987-3731?
The FSCG of the NSN 3110-00-987-3731 is 3110
Does the NSN 3110-00-987-3731 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105028
Does NSN 3110-00-987-3731 require demilitarization?
Usml or ccl military items - demil required. Destroy item and components to prevent restoration or repair to a usable condition. (note 5).
Does NSN 3110-00-987-3731 contain precious materials?
Item does not contain precious metal.
Does NSN 3110-00-987-3731 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 3110-00-987-3731 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Mon, Jan 1, 1962

Price & Availability

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Bearing Retaining Plate