MIL-B-17931

MILB17931 Ball Annular Bearing

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Datasheet. MIL-B-17931 specification

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

0.4704in. and 0.4724in.

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

0.6691in. and 0.6693in.

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

1.5746in. and 1.5748in.

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

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.

tight

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

0.0004in. radial and 0.0008in. radial

Criticality Code Justification
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.

zzzw

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-18709 mil spec single material response

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

rubber synthetic seal

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 loading groove side

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

steel retainer

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

NON-Loading groove, NON-Separable

Nondefinitive Spec/std Data
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.

111 type and 8 class

Departure From Cited Document
The technical differentiating characteristic/s/ of an item of supply which depart/s/ from the text of a specification or a standard in that it represents a selection of characteristics stated in the specification or standard as being optional,or a variation from one or more of the stated characteristics,or an additional characteristic not stated in the specification or standard.

quiet operation tested for submarine use

Departure From Cited Designator
The variation when the item is in conformity with a type designator covered by a specification or standard,except in regard to one or more technical differentiating characteristics.

as modified by test for quiet operation applicable to submarine usage

Answers.

What quantity is this sold in?

1EA

What is the style?

Non-loading groove, non-separable