321908-1

3219081 Roller Needle Bearing

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Datasheet. 321908-1 specification

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

2.0100in.

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

3.0000in.

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

4.5000in.

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

lubricating oil

Alignment Type
Indicates the type of alignment utilized whereby the item will adjust axially for misalignment.

rigid

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

afbma std tolerance for industrial needle bearings

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.

inner ring extends 0.0050 in. both sides, oil hole in inner and outer race

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.

separable inner race, with roller retainer, hardened and ground

Answers.

What quantity is this sold in?

1EA

What is the style?

Separable inner race, with roller retainer, hardened and ground

What material is the roller needle bearing made of ?

Steel

What is the overall width?

2.0100 inches

What is the NSN for 321908-1?

3110-00-243-7102

How is this classified for shipping?

Schedule B number: 8482400000
nmfc 114820
Needle roller bearings

What's the federal classification of 321908-1?

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 3110-00-243-7102 BEARING,ROLLER,NEEDLE

separable inner race, with roller retainer, hardened inner ring extends 0.0050 in. both sides, oil hole in inner 3.0000" bore diameter 2.0100" overall width

NIIN
002437102
NIIN Date
03/19/71
Schedule B
8482400000 
Name Code
00051
FIIG
A044A0
Item Weight
0.000lbs
Item Dimensions
--
QUP
Historical Price
$161.23 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
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. 1R-485632 Cage 5XMS1
2. IR-485632 Cage 60380
3. IR485632-567232 Cage 60380

Major End Users Countries and entities

  • - Department of The Navy 
  • - Department of The Air Force 
  • - U.s. Coast Guard 

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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

321908-1 / Bearing,roller,needleWhat is the formal definition of this item?

A single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.