4308WK47/281

4308WK47281 Ball Annular Bearing

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Datasheet. 4308WK47/281 specification

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

0.3740in. and 0.3750in.

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

0.8748in. and 0.8750in.

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

1.3123in. and 1.3125in.

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

oil

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.

machined

Shield Quantity
The number of shields included on the item.

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

angular

Bore Shape
The physical configuration of the bore.

straight

Internal Fit-up Contact Angular Direction
The direction of the internal fit-up contact angle at point of contact.

outward convergent

Internal Clearance
The clearance between the bearing rings and the rolling elements.

0.0004in. radial and 0.0007in. radial

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

abec no. 5t

Contact Angle
The size of the angle formed at the force point of contact.

19.0 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.

one outer ring; two inner rings; 7 to 8 drops of specified lubricant from a no. 27 needle; oil impregnated retainer; torque tested

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-L-6085 mil spec single material response

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

plastic phenolic retainer

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

steel comp 302 shield or steel comp 304 shield

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.

QQ-S-763 fed spec 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.

QQ-S-763 fed 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.

QQ-S-763 fed spec single material response 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.

QQ-S-766 fed spec all material responses shield