2-300-028

2300028 Ball Duplex Bearing

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Quality Commitment

Serving our customers with quality and safety first.

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Datasheet. 2-300-028 specification

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

26.0 mm

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

55.0 mm

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

80.0 mm

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

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

0.0080in. axial and 0.0008in. radial and 0.0017in. radial

Standard Tolerance Designation
The standard tolerance designation indicating the manufactured limitations of the item as established by the various specifications and standards.

abec no.5

Bearing Preload Rating
The amount of internal loading in a bearing which is independent of any external radial and/or axial load.

1000.0 pounds

Special Features
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.

stabilized for operation at 65 deg f to p 350 deg f, thrust marking on od of outer rings, max surface finish, ball 2 uin aa, inner and outer ring groove 10 uin aa, race retainer pilot surface 20 uin aa, retainer pilotsurface 40 uin aa, retainer ball POCKET63 uin aa, id and od 13 uin aa, retainerbore concentric to od within 0.002 in.tir

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

copper alloy retainer

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

steel ball

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

steel inner ring

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

steel 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.

-3900, 91547 mfr ref single material response retainer

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.

-4001, 91547 mfr ref single material response ball

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.

-4001, 91547 mfr ref 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.

-4001, 91547 mfr ref single material response outer ring

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

92d counterbored outer rings, NON-Separable, tandem mounting

Test Data Document
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.

+6903-91547 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", "", etc.) .

Answers.

What quantity is this sold in?

1EA

What is the style?

92d counterbored outer rings, non-separable, tandem mounting

What material is the ball duplex bearing made of ?

Steel outer ring

What material is the ball duplex bearing made of ?

Steel inner ring

What material is the ball duplex bearing made of ?

Steel ball

What material is the ball duplex bearing made of ?

Copper alloy retainer

What is the overall width?

26.0 millimeters

What is the NSN for 2-300-028?

3110-00-863-1211

How is this classified for shipping?

Schedule B number: 8482105068
nmfc 114820
Ball bearings

What's the federal classification of 2-300-028?

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 3110-00-863-1211 BEARING,BALL,DUPLEX

92d counterbored outer rings, non-separable, tandem mounting stabilized for operation at 65 deg f to p 350 deg f, thrust marking on od of outer rings, max surface finish, ball 2 uin aa, inner 55.0mm bore diameter 26.0mm overall width

NIIN
008631211
NIIN Date
01/01/62
Schedule B
8482105068 
Name Code
30213
FIIG
A044A0
Item Weight
2.500lbs
Item Dimensions
60 X 60 X 55
QUP
Historical Price
$2,617.50 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. 1911SD301T Cage 38443
2. 453747 Cage 52676
3. 2-300-028-01 Cage 99193
4. 2-300-028-03 Cage 99193
5. D3-50156 Cage 38443
6. 1911SD301T Cage 38443
7. 453747 Cage 52676
8. 2-300-028-01 Cage 99193
9. 2-300-028-03 Cage 99193
10. D3-50156 Cage 38443

Major End Users Countries and entities

  • - Department of The Army 
  • - Spain 
  • - Canada 
  • - Greece 

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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)
77.5
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
Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing 
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

2-300-028 / 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.