Duplex Ball Bearing
7228MGW4
(NSN) National Stock Number
3110-00-012-0301
Federal Supply Classification
3110 Unmounted Antifriction Bearings
Item Name Code
30213
Schedule B Code
8482105068
Summary
84.0 millimeters nominal overall width, 140.00 millimeters nominal bore diameter, 250.00 millimeters nominal overall outside diameter, ground surface finish, machined retainer fabrication method, angular load direction
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 3 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | KZ |
Identification
Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 30213 | A044A0 | - | 1 |
Specifications
Overall Width
84.0 millimeters nominal
Details
An overall measurement taken at right angles to the length of an item,in distinction from thickness.Bore Diameter
140.00 millimeters 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
250.00 millimeters 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
machined
Details
The means used in manufacturing the retainer.Load Direction
angular
Details
The direction of load with respect to the shaft axis.Bearing Preload Designation
light
Details
The designation specifying the type of internal loading in a bearing which is independent of any external radial and/or axial load.Standard Tolerance Designation
abec no.1
Details
The standard tolerance designation indicating the manufactured limitations of the item as established by the various specifications and standards.Special Features
over 25.0 deg angularity,inner ring to show high point of eccentricity
Details
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.Material
copper alloy retainer
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
steel ball
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
steel inner ring
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
steel outer ring
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Style Designator
counterbored outer rings, non-separable, face to face mounting
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| 629A228G6 | 03570 | 3 | - | 5 | 9 | - | KZ |
| 629A228G6 | 03497 | 5 | - | 5 | 9 | - | HD |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | U | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 58860 | - | P | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 742 | Z | 9 |
Certified Supplier
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Manufacturer
FAQs
Frequently asked questions for NSN 3110-00-012-0301
What is the NIIN of the NSN 3110-00-012-0301?
The National Item Identification Number (NIIN) of the NSN 3110-00-012-0301 is 00-012-0301
When the NSN 3110-00-012-0301 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Tue, Apr 18, 1967
Does the NSN 3110-00-012-0301 contain any precious metals?
Type/content is unknown
Does the NSN 3110-00-012-0301 contain any hazardous material?
No data in HMIRS
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