728300

728300 Bearing Inner Ring
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Datasheet. 728300 specification

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

1.1200in. and 1.1250in.

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

2.1679in. and 2.1687in.

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

2.4994in. and 2.5000in.

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

ground

Bore Shape
The physical configuration of the bore.

nonstandard taper

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.

jtwo @1/4 in. dia holes 180 deg apart 0.562 in. from end, rockwell hardness rating 60 to 64, finsh case harden 0.025 in. to 0.045 in. max taper, id 0.0005 in., od 0.0004 in., wall 0.0006 in. inside corners chamfered

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

steel

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

solid inner race, with bore chamfer, journal and needle

Answers.

What quantity is this sold in?

1EA

What is the style?

Solid inner race, with bore chamfer, journal and needle

What material is the bearing inner ring made of ?

Steel

What is the overall width?

1.1200 inches minimum and 1.1250 inches maximum

What is the NSN for 728300?

3110-00-975-2132

How is this classified for shipping?

Schedule B number: 8482991010
nmfc 114820
Inner and outer races for ball bearings (including ball bearings with integral shafts)

What's the federal classification of 728300?

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 3110-00-975-2132 RING,BEARING,INNER

solid inner race, with bore chamfer, journal jtwo @1/4 in. dia holes 180 deg apart 0.562 in. from end, rockwell hardness rating 60 to 64, finsh case harden 0.025 in. to 0.045 in. max taper, id 0.0005 in., od 0.0004 in., wall 0.0006 in. inside corners chamfered 2.1679" bore diameter 1.1200" overall width

NIIN
009752132
NIIN Date
10/05/66
Schedule B
8482991010 
Name Code
00028
FIIG
A044A0
Item Weight
0.000lbs
Item Dimensions
--
QUP
1 
Historical Price
$120.75 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. 30091 Cage 43334

Major End Users Countries and entities

  • - Department of The Army 
  • - Department of The Navy 
  • - Republic of Korea 
  • - Turkey 

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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
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 rings with similar characteristics

Nothing similar to this part number was found in our inventory

728300 / Ring,bearing,innerWhat is the formal definition of this item?

The inner component of a ball or roller bearing which provides a contact surface for the rolling elements of an antifriction bearing.