Thrust Ball Bearing

388708-30

(NSN) National Stock Number

3110-00-156-1857

Federal Supply Classification

3110 Unmounted Antifriction Bearings

Item Name Code

00019

Schedule B Code

8482105008

Summary

12.0 millimeters nominal overall height, 37.0 millimeters nominal overall outside diameter, 20.0 millimeters nominal bore smallest diameter, ground surface finish, rigid alignment type, single thrust directional capability designation

DAC	HCC	DMIL	RNCC
X	-	-	5

RNVC	SADC	MSDS	RNAAC
9	-	-	XX

Identification

An antifriction bearing having a ball rolling element, designed to resist axial thrust, or to support an axial load. Excludes:bearing,ball,pivot.

INC	FIIG	Concept	Condition
00019	A044A0	-	1

Specifications

Overall Height

12.0 millimeters nominal

Details

The distance measured in a straight line from the bottom to the top of an item.

Overall Outside Diameter

37.0 millimeters nominal

Details

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

Bore Smallest Diameter

20.0 millimeters nominal

Details

The length of a straight line which passes through the center of the smallest diameter of a bore,and terminates at the circumference.

Surface Finish

ground

Details

An additional finishing process by which the surface of an item is altered in respect to polishing,grinding,and the like.

Alignment Type

rigid

Details

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

Thrust Directional Capability Designation

single

Details

A designation of the directional operating capability of the item.

Standard Tolerance Designation

afbma std tolerance for thrust bearings

Details

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

Material

steel comp e51100 overall or steel comp e52100 overall

Details

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

Material Document And Classification

66 fed std all material responses overall

Details

The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.

Style Designator

grooved race surface

Details

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

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
12Z317-5	10001	X	-	5	9	-	XX
402294-94	10001	X	-	5	9	-	XX
448977	10001	X	-	5	9	-	XX
562935-5	10001	X	-	5	9	-	XX
20BTL	70413	X	-	5	1	-	XX
A-A-52491	58536	E	-	4	1	-	ZZ
A52491-15	58536	E	-	2	2	-	ZZ
1004	00658	X	-	5	1	-	XX
CAFX1AE	19207	5	-	5	1	-	KZ
1504	21335	4	-	5	9	-	XX
1504S	21335	X	-	5	9	-	XX
2904	38443	X	-	5	1	-	XX
2904	52676	5	-	5	9	-	KZ
2904	03489	X	-	5	9	-	XX
72-6970-914	7PZX0	5	-	5	1	-	ZZ
72-6970-914	50024	X	-	5	9	-	XX
MS17161-15	96906	X	-	5	9	-	XX