3TAR12-19UDB20-30

3TAR1219UDB2030 Ball Duplex Bearing

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Quality Commitment

Serving our customers with quality and safety first.

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AS9120 Certified by SAI Global

Datasheet. 3TAR12-19UDB20-30 specification

Overall Width
An overall measurement taken at right angles to the length of an item,in distinction from thickness.

0.5000in.

Bore Diameter
The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.

0.7498in. and 0.7500in.

Overall Outside Diameter
The overall length of a straight line which passes through the center of an item,and terminates at the outside circumference.

1.1871in. and 1.1875in.

Lubrication Material
The element,compound,or mixture with which the item is lubricated.

grease

Surface Finish
An additional finishing process by which the surface of an item is altered in respect to polishing,grinding,and the like.

ground

Retainer Fabrication Method
The means used in manufacturing the retainer.

machined

Load Direction
The direction of load with respect to the shaft axis.

angular

Bearing Preload Designation
The designation specifying the type of internal loading in a bearing which is independent of any external radial and/or axial load.

medium

Internal Clearance
The clearance between the bearing rings and the rolling elements.

0.0002in. radial and 0.0008in. radial

Lubrication Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the lubrication material.

MIL-G-81322 mil spec single material response

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

plastic phenolic retainer

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel comp 440c ball

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel comp 440c inner ring

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel comp 440c outer ring

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

QQ-S-763, class 440c fed spec single material response inner ring

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

QQ-S-763, class 440c fed spec single material response outer ring

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

QQ-S-763, class 440c fed spec single material response ball

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

92b counterbored outer rings, NON-Separable, back to back mounting

Answers.

What quantity is this sold in?

1EA

What is the style?

92b counterbored outer rings, non-separable, back to back mounting

What material is the ball duplex bearing made of ?

Steel comp 440c outer ring

What material is the ball duplex bearing made of ?

Steel comp 440c inner ring

What material is the ball duplex bearing made of ?

Steel comp 440c ball

What material is the ball duplex bearing made of ?

Plastic phenolic retainer

What is the overall width?

0.5000 inches

What is the NSN for 3TAR12-19UDB20-30?

3110-00-495-0081

How is this classified for shipping?

Schedule B number: 8482105068
nmfc 114820
Ball bearings

What's the federal classification of 3TAR12-19UDB20-30?

FSC 3110 ⁓ Bearings, antifriction, unmounted

Note-this class includes bearings that generally have roller or balls confined by an inner and outer ring to relieve friction in/on/around rotating/moving mechanisms.

Excluding plain bearings (fsc 3120); jewel bearings (fsc 3120)

NSN 3110-00-495-0081 BEARING,BALL,DUPLEX

92b counterbored outer rings, non-separable, back to back mounting 0.7498" bore diameter 0.5000" overall width

NIIN
004950081
NIIN Date
03/23/72
Schedule B
8482105068 
Name Code
30213
FIIG
A044A0
QUP
Historical Price
$162.98 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. 3TAR12-19UDB20-3 Cage 40920

Major End Users Countries and entities

  • - Department of The Navy 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
77.5 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater 
Commodity (for shipments via water)
Bearings 
NMFC (national motor freight code)
114820 BEARINGS/BUSHINGS NOI BALL/ROLLER 
UFC (universal freight code)
58860 

Similar by Design Other bearings with similar characteristics

Nothing similar to this part number was found in our inventory

3TAR12-19UDB20-30 / Bearing,ball,duplexWhat is the formal definition of this item?

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.