Duplex Ball Bearing
639AS6561-10 C-B
(NSN) National Stock Number
3110-01-211-0751
Federal Supply Classification
3110 Unmounted Antifriction Bearings
Item Name Code
30213
Schedule B Code
8482105068
Summary
0.2030 inches minimum and 0.2350 inches maximum overall width, 0.234251 inches minimum and 0.234300 inches maximum bore diameter, 0.406101 inches minimum and 0.406150 inches maximum overall outside diameter, grease lubrication material, ground surface finish, machined retainer fabrication method
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 5 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | ZZ |
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
0.2030 inches minimum and 0.2350 inches maximum
Details
An overall measurement taken at right angles to the length of an item,in distinction from thickness.Bore Diameter
0.234251 inches minimum and 0.234300 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
0.406101 inches minimum and 0.406150 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
grease
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
machined
Details
The means used in manufacturing the retainer.Load Direction
angular
Details
The direction of load with respect to the shaft axis.Internal Clearance
0.0006 inches minimum radial and 0.0008 inches maximum radial
Details
The clearance between the bearing rings and the rolling elements.Bearing Preload Rating
1.75 pounds minimum and 2.25 pounds maximum
Details
The amount of internal loading in a bearing which is independent of any external radial and/or axial load.Contact Angle
5.0 degrees minimum and 25.0 degrees maximum
Details
The size of the angle formed at the force point of contact.Special Features
consists of one bearing without a flange and one bearing with a flange,flange 0.4360 in. min and 0.4370 in. max dia,0.0220 in. min and 0.0230 in. max w
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
639as3195 mfr ref 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 retainer
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
steel comp 440c ball
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
steel comp 440c inner ring
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
steel comp 440c outer ring
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
qq-s-763,cond a fed spec 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
qq-s-763,cond a fed spec 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
qq-s-763,cond a fed spec 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.Surface Treatment
passivate ball
Details
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.Surface Treatment
passivate inner ring
Details
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.Surface Treatment
passivate outer ring
Details
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| 639AS6522-10 C-B | 30003 | A | - | 5 | 9 | - | KZ |
| 639AS6561-10 C-B | 30003 | A | - | 1 | 2 | - | KZ |
| E998-804-10 C-B | 40920 | 5 | - | 5 | 9 | - | KZ |
| SR40405B311A-10 C-B | 83086 | 5 | - | 5 | 9 | - | KZ |
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 |
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Manufacturer
MPB CORP DBA MPB CORP DIV TIMKEN SUPER PRECISION
CAGE: 40920
KEENE
, NH
, 03431-4320
UNITED STATES
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FAQs
Frequently asked questions for NSN 3110-01-211-0751
What is the NIIN of the NSN 3110-01-211-0751?
The National Item Identification Number (NIIN) of the NSN 3110-01-211-0751 is 01-211-0751
When the NSN 3110-01-211-0751 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Thu, Jun 20, 1985
Does the NSN 3110-01-211-0751 contain any precious metals?
Does not contain precious metal
Does the NSN 3110-01-211-0751 contain any hazardous material?
No data in HMIRS
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