81&21

8121 Ball Annular Bearing

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Datasheet. 81&21 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.

1.0000in.

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

2.0000in.

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.

pressed

Shield Quantity
The number of shields included on the item.

2

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

radial

Bore Shape
The physical configuration of the bore.

straight

Internal Fit-up Designation
The designation specifying the type of fit as recognized by industrial and governmental agencies.

standard

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

abec no.1

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.

steel

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

NON-Loading groove, NON-Separable

Answers.

What quantity is this sold in?

1EA

What is the style?

Non-loading groove, non-separable

What material is the ball annular bearing made of ?

Steel

What is the overall width?

0.5000 inches

What is the NSN for 81&21?

3110-00-540-4662

How is this classified for shipping?

Schedule B number: 8482105028
nmfc 114820
Angular contact ball bearings

What's the federal classification of 81&21?

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 3110-00-540-4662 BEARING,BALL,ANNULAR

non-loading groove, non-separable 1.0000" bore diameter 0.5000" overall width

NIIN
005404662
NIIN Date
01/01/63
Schedule B
8482105028 
Name Code
00014
FIIG
A044A0
Item Weight
0.300lbs
Item Dimensions
--
QUP
Historical Price
$86.95 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. AA59645-04ACBB Cage 58536
2. A-A-59645 Cage 58536
3. 11637582 Cage 19207
4. EEB92ZLK Cage 52676
5. 114C2657-19 Cage 05606
6. R16FFILI Cage 21760
7. RI-3216ZZRDA1P18LG68KB Cage 83086
8. R16-FF Cage 38443
9. R16FF20GRS Cage 38443
10. R16.2ZR Cage 43991
11. RI-3216SSRDA1 Cage 83086
12. EEB92Z Cage 52676
13. S10RPPTFMILG3278A Cage 43991
14. 058-011 Cage 56232
15. GS03A42-24 Cage 94033
16. 1622CB Cage 43766
17. 77R16X1CJ Cage 43334
18. R16FFM1LG3278 Cage 38443
19. S10KDDFS160 Cage 21335
20. GS03A42-14 Cage 17488
21. FF-B-2844 Cage 81349
22. FF-B-2844/03BBXBX Cage 81349
23. 77R16X1MILG3278A Cage 24617
24. 77R16XR1E Cage 24617
25. R16FF1L1 Cage 21760
26. 77R16X1MILG3278A Cage 43334
27. R16FFMILG3278 Cage 38443
28. FF-B-2844/03 Cage 81348
29. FF-B-2844/03BBXBX Cage 81348
30. GS03A42-24 Cage 17488
31. R16ZZ Cage 09721

Major End Users Countries and entities

  • - Department of The Navy 
  • - Department of The Army 
  • - Department of The Air Force 
  • - Poland 
  • - Israel 
  • - Singapore 
  • - Belgium 
  • - New Zealand 
  • - Republic of Korea 
  • - Netherlands 
  • - Portugal 
  • - Denmark 
  • - Norway 
  • - Greece 
  • - 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 bearings with similar characteristics

Nothing similar to this part number was found in our inventory

81&21 / Bearing,ball,annularWhat is the formal definition of this item?

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. for items with faces specially ground for duplex mounting see bearing, ball, duplex. excludes bearing, ball, airframe.