Duplex Ball Bearing
930025
(NSN) National Stock Number
3110-01-187-1940
Federal Supply Classification
3110 Unmounted Antifriction Bearings
Item Name Code
30213
Schedule B Code
8482105068
Summary
0.4700 inches minimum and 0.5000 inches maximum overall width, 3.9997 inches minimum and 4.0000 inches maximum bore diameter, 4.4997 inches minimum and 4.5000 inches maximum overall outside diameter, oil lubrication material, ground surface finish, pressed retainer fabrication method
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 1 | - | - | 1 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | KE |
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
0.4700 inches minimum and 0.5000 inches maximum
Details
An overall measurement taken at right angles to the length of an item,in distinction from thickness.Bore Diameter
3.9997 inches minimum and 4.0000 inches maximum
Details
The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.Overall Outside Diameter
4.4997 inches minimum and 4.5000 inches maximum
Details
The overall length of a straight line which passes through the center of an item,and terminates at the outside circumference.Lubrication Material
oil
Details
The element compound or mixture with which the item is lubricated. please use mrc lbma as a replacement for canceled mrc.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.Load Direction
angular
Details
The direction of load with respect to the shaft axis.Bearing Preload Rating
30.0 pounds nominal
Details
The amount of internal loading in a bearing which is independent of any external radial and/or axial load.Contact Angle
30.0 degrees nominal
Details
The size of the angle formed at the force point of contact.Lubrication Material Document And Classification
mil-l-81846 mil spec single material response
Details
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the lubrication material.Material
plastic phenolic separator
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
steel corrosion resisting ball
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
steel corrosion resisting inner race
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
steel corrosion resisting outer race
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Style Designator
counterbored outer rings, non-separable, back to back 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 |
|---|---|---|---|---|---|---|---|
| 5092021 | 32828 | 5 | - | 3 | 2 | - | KE |
| 930025 | 40920 | 5 | - | 5 | 2 | - | ZZ |
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 | P |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 742 | Z | 9 |
Certified Supplier
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Manufacturer
LOCKHEED MARTIN CORP ELECTRONICS AND MISSILES DIV
CAGE: 09205
ORLANDO
, FL
, 32819-8907
UNITED STATES
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FAQs
Frequently asked questions for NSN 3110-01-187-1940
What is the NIIN of the NSN 3110-01-187-1940?
The National Item Identification Number (NIIN) of the NSN 3110-01-187-1940 is 01-187-1940
When the NSN 3110-01-187-1940 was assigned to the Federal Catalog?
It was assigned 40 years ago, on Tue, Aug 21, 1984
Does the NSN 3110-01-187-1940 contain any precious metals?
Does not contain precious metal
Does the NSN 3110-01-187-1940 contain any hazardous material?
No data in HMIRS
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