Needle Roller Bearing
MR56
(NSN) National Stock Number
3110-00-172-7091
Federal Supply Classification
3110 Unmounted Antifriction Bearings
Item Name Code
00051
Schedule B Code
8482400000
Summary
2.0000 inches nominal overall width, 3.5000 inches nominal bore diameter, 4.5000 inches nominal overall outside diameter, ground surface finish, pressed retainer fabrication method, rigid alignment type
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 3 | - | - | 5 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 1 | - | - | HX |
Identification
A single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 00051 | A044A0 | - | 1 |
Specifications
Overall Width
2.0000 inches nominal
Details
An overall measurement taken at right angles to the length of an item,in distinction from thickness.Bore Diameter
3.5000 inches nominal
Details
The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.Overall Outside Diameter
4.5000 inches nominal
Details
The overall length of a straight line which passes through the center of an item,and terminates at the outside circumference.Surface Finish
ground
Details
An additional finishing process by which the surface of an item is altered in respect to polishing,grinding,and the like.Retainer Fabrication Method
pressed
Details
The means used in manufacturing the retainer.Alignment Type
rigid
Details
Indicates the type of alignment utilized whereby the item will adjust axially for misalignment.Standard Tolerance Designation
afbma std tolerance for industrial needle bearings
Details
The standard tolerance designation indicating the manufactured limitations of the item as established by the various specifications and standards.Material
steel comp e52100 overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
66 fed std single material response overall
Details
The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.Special Test Features
special quality control testing
Details
Test conditions and ratings,or environmental and performance requirements that are different,more critical,or more specific than those specified in a governing test data document.Style Designator
non-separable, with roller retainer, hardened and ground
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.Test Data Document
81349-mil-p-231999 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.).
Details
The specification,standard,drawing,or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.Reference Number Differentiating Characteristics
material must conform to ships parts control center special quality control provisions
Details
A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| MR56 | 39317 | 3 | - | 3 | 9 | - | HX |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | A | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 58860 | - | P | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 742 | Z | 9 |
Certified Supplier
Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.
- Genuine Manufacturers Parts
- 100% Product Inspection
- 7 Year Sales Record Retention
- Fast On-Time Delivery
- HAZMAT Certified
- Global Shipping
Manufacturer
FAQs
Frequently asked questions for NSN 3110-00-172-7091
What is the NIIN of the NSN 3110-00-172-7091?
The National Item Identification Number (NIIN) of the NSN 3110-00-172-7091 is 00-172-7091
When the NSN 3110-00-172-7091 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Fri, Nov 26, 1971
Does the NSN 3110-00-172-7091 contain any precious metals?
Does not contain precious metal
Does the NSN 3110-00-172-7091 contain any hazardous material?
No data in HMIRS
Can't Find It
If you didn't find what you need, don't worry, we're here to help! Our team is ready to help you find exactly what you need. Click below to contact us.
Similar Products