SM8-12A-21 Roller Rod End Bearing

Datasheet. SM8-12A-21 specification

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

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.

0.8750in.

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

externally threaded w/slot

Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

5.1650in. ⁓5-11/64"

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

0.5000in.

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

2.2700in.

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

grease

Shank Thread Length

2.3100in.

Outer Ring Width

0.7200in.

Inner Ring Width

1.0620in.

Length From Bore Center To Shank End

4.0300in.

Seal Quantity
The number of seals included on the item.

Shield Quantity
The number of shields included on the item.

Bearing Seal Type
Indicates the type of seal provided with the bearing.

contact

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

SELF-Aligning

Self-alignment Location
Indicates the location of the self-alignment feature.

internal

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

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

0.875in. ⁓7/8"

Self-alignment Angle

10.00 degrees

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.

with grease fitting

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-23827 mil spec single material response

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

rubber BUTADIENE-Acrylonitrile class nbr seal

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

steel comp 430 shield

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 roller

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

steel comp 4620 rod end body

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

steel snap 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.

MIL-S-7420 mil spec 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.

MIL-S-7420 mil spec single material response roller

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.

MIL-S-7493 mil spec single material response rod end body

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.

QQ-S-763 fed spec single material response shield

Surface Treatment
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

cadmium all external/exposed metal surfaces

Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

QQ-P-416, ty 1, cl 2 fed spec single treatment response all external/exposed metal surfaces

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

single row, concave rollers

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.

unjf

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Unjf

What is the style?

Single row, concave rollers