177271

177271 Roller Rod End Bearing

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Datasheet. 177271 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

3a

Thread Direction
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.

RIGHT-Hand

Shank Diameter
The length of a straight line which passes through the center of the body of the shank and terminates at the circumference.

0.3125in.

Shank Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the shank.

667 externally threaded w/slot

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

0.2495in. and 0.2500in.

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

0.7710in. and 0.8160in.

Shank Thread Length

0.9062in. and 1.0000in.

Outer Ring Width

0.3320in. and 0.3420in.

Inner Ring Width

0.4320in. and 0.4370in.

Length From Bore Center To Shank End

1.5520in. and 1.5720in.

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

rigid

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

24

Nominal Thread Size
A designation that is used for the purpose of general identification of the thread.

0.312in. ⁓5/16"

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

steel comp 440c 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.

AMS5630 assn std single material response ball

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

single row, ball

Thread Series Designator
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

unf

Answers.

What class is the thread series?

Unf

What is the style?

Single row, ball

What material is the roller rod end bearing made of ?

Steel comp 440c ball

What is the thread quantity per inch?

24

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for 177271?

3110-01-208-9139

How is this classified for shipping?

Schedule B number: 8482500000
Other cylindrical roller bearings

What's the federal classification of 177271?

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 3110-01-208-9139 BEARING,ROLLER,ROD END

unf thread series single row, ball 24 thread quantity per inch 0.2495" bore diameter right-hand 3a thread class

NIIN
012089139
NIIN Date
05/21/85
Schedule B
8482500000 
Name Code
00050
FIIG
A044A0
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

Major End Users Countries and entities

  • - Denmark 

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Similar by Design Other bearings with similar characteristics

Nothing similar to this part number was found in our inventory

177271 / Bearing,roller,rod endWhat is the formal definition of this item?

A special single or multiple-row roller bearing, rigid or self-aligning, and constructed with either inside threaded, plain hollow, maile threaded, or solid shank.