Duplex Ball Bearing
7108KRDF
(NSN) National Stock Number
3110-00-052-9135
Federal Supply Classification
3110 Unmounted Antifriction Bearings
Item Name Code
30213
Schedule B Code
8482105068
Summary
30.0 millimeters nominal overall width, 40.0 millimeters nominal bore diameter, 68.0 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 | - | - | CT |
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
30.0 millimeters nominal
Details
An overall measurement taken at right angles to the length of an item,in distinction from thickness.Bore Diameter
40.0 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
68.0 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.Internal Fit-Up Designation
standard
Details
The designation specifying the type of fit as recognized by industrial and governmental agencies.Standard Tolerance Designation
abec no.3
Details
The standard tolerance designation indicating the manufactured limitations of the item as established by the various specifications and standards.Bearing Preload Rating
40.0 pounds nominal
Details
The amount of internal loading in a bearing which is independent of any external radial and/or axial load.Special Features
bearings stabilized for operationfrom m 65 to p 300 deg f,inner and outer races flush within 0.0005 in. when preloaded,bearings marked w/same serial no.
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 comp e52100 ball
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
steel comp e52100 inner ring
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
steel comp e52100 outer ring
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
205-040-106,97499 mfr ref single material response retainer
Details
The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.Material Document And Classification
fed-std-66 fed std single material response ball
Details
The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.Material Document And Classification
fed-std-66 fed std single material response inner ring
Details
The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.Material Document And Classification
fed-std-66 fed std single material response outer ring
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, face to face mounting
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.Test Data Document
38443-aqcp-2 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.). and 38443-aqcp-9a 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.). and 38443-ais-84a 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.). and 21335-aps-33a 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.). and 21335-aps-36a 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.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| 3M9108WIMBRDUA1076 | 21335 | 1 | - | 3 | 2 | - | CT |
| 205-040-106 | 97499 | 1 | - | 1 | 2 | - | CT |
| 205-040-106-1 | 97499 | 1 | - | 5 | 2 | - | CT |
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 |
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FAQs
Frequently asked questions for NSN 3110-00-052-9135
What is the NIIN of the NSN 3110-00-052-9135?
The National Item Identification Number (NIIN) of the NSN 3110-00-052-9135 is 00-052-9135
When the NSN 3110-00-052-9135 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963
Does the NSN 3110-00-052-9135 contain any precious metals?
Type/content is unknown
Does the NSN 3110-00-052-9135 contain any hazardous material?
No data in HMIRS
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