308RDF

308RDF Ball Duplex Bearing

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Quality Commitment

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Datasheet. 308RDF specification

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

23.0 mm

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

40.0 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.

90.0 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.

pressed

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

radial

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

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.

pair of bearings mounted face to face

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

steel comp 1010 retainer

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

steel comp E52100 ball

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

steel comp E52100 inner ring

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

steel comp E52100 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.

66 fed std 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.

66 fed std 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.

66 fed std 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.

66 fed std single material response outer ring

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 is the style?

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

What material is the ball duplex bearing made of ?

Steel comp e52100 outer ring

What material is the ball duplex bearing made of ?

Steel comp e52100 inner ring

What material is the ball duplex bearing made of ?

Steel comp e52100 ball

What material is the ball duplex bearing made of ?

Steel comp 1010 retainer

What is the overall width?

23.0 millimeters

What is the NSN for 308RDF?

3110-00-548-6290

How is this classified for shipping?

Schedule B number: 8482105068
nmfc 114820
Ball bearings

What's the federal classification of 308RDF?

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 3110-00-548-6290 BEARING,BALL,DUPLEX

92b counterbored outer rings, non-separable, back to back mounting pair of bearings mounted face to face 40.0mm bore diameter 23.0mm overall width

NIIN
005486290
NIIN Date
10/15/74
Schedule B
8482105068 
Name Code
30213
FIIG
A044A0
Item Weight
2.900lbs
Item Dimensions
--
QUP
 
Historical Price
$515.25 PR
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. FF-B-171 Cage 81348
2. ME-1308D Cage 83086
3. PL10983F18PC204 Cage 88032
4. PL10983F18PC204 Cage 30760
5. PL10983F18PC204 Cage 0UBG9

Major End Users Countries and entities

  • - Department of The Navy 
  • - Spain 
  • - Australia 

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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

308RDF / 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.