Duplex Ball Bearing
268-12961-4
(NSN) National Stock Number
3110-01-140-5797
Federal Supply Classification
3110 Unmounted Antifriction Bearings
Item Name Code
30213
Schedule B Code
8482105068
Summary
0.2000 inches minimum and 0.2100 inches maximum overall width, 0.2499 inches minimum and 0.2500 inches maximum bore diameter, 0.3748 inches nominal overall outside diameter, oil lubrication material, aime9e/j/p end item identification, unground surface finish
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 2 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | SB |
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
0.2000 inches minimum and 0.2100 inches maximum
Details
An overall measurement taken at right angles to the length of an item,in distinction from thickness.Bore Diameter
0.2499 inches minimum and 0.2500 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
0.3748 inches nominal
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.End Item Identification
aime9e/j/p
Details
The national stock number or the identification information of the end equipment for which the item is a part.Surface Finish
unground
Details
An additional finishing process by which the surface of an item is altered in respect to polishing,grinding,and the like.Load Direction
radial
Details
The direction of load with respect to the shaft axis.Internal Clearance
0.0007 inches minimum radial and 0.0010 inches maximum radial
Details
The clearance between the bearing rings and the rolling elements.Features Provided
aligning ring
Details
Those features,not otherwise specified,which may be required for proper functioning of the item.Standard Tolerance Designation
abec no.7
Details
The standard tolerance designation indicating the manufactured limitations of the item as established by the various specifications and standards.Special Features
flanged 0.0210 min 0.0230 max wide w/chamfer 0.0020 on inside corner
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.Lubrication Material Document And Classification
mil-l-6085 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
steel comp 440a overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
aisi assn 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.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.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 | Z |
Certified Supplier
Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.
- Genuine Manufacturers Parts
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- 7 Year Sales Record Retention
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- HAZMAT Certified
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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 3110-01-140-5797
What is the NIIN of the NSN 3110-01-140-5797?
The National Item Identification Number (NIIN) of the NSN 3110-01-140-5797 is 01-140-5797
When the NSN 3110-01-140-5797 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Thu, Oct 14, 1982
Does the NSN 3110-01-140-5797 contain any precious metals?
Does not contain precious metal
Does the NSN 3110-01-140-5797 contain any hazardous material?
No data in HMIRS
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