Tapered Roller Bearing

N304ALT1PC81

(NSN) National Stock Number

3110-00-100-4410

Federal Supply Classification

3110 Unmounted Antifriction Bearings

Item Name Code

00021

Schedule B Code

8482200030

Summary

1.8750 inches nominal overall width, 3.0000 inches nominal bore diameter, 6.3750 inches nominal overall outside diameter, 0.1300 inches nominal backface corner radius, 0.3750 inches nominal standout width, 0.1400 inches nominal cone corner radius

DAC	HCC	DMIL	RNCC
4	-	-	5

RNVC	SADC	MSDS	RNAAC
9	-	-	XX

Identification

A cylindrical device in which the inner cone or outer cup turns upon a single or double row of tapered hardened rollers which roll easily in a race, thus minimizing friction and designed to carry a radial load and capable of sustaining axial thrust. Excludes:bearing,roller,thrust.

INC	FIIG	Concept	Condition
00021	A044A0	-	1

Specifications

Overall Width

1.8750 inches nominal

Details

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

Bore Diameter

3.0000 inches nominal

Details

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

Overall Outside Diameter

6.3750 inches nominal

Details

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

Backface Corner Radius

0.1300 inches nominal

Details

None.

Standout Width

0.3750 inches nominal

Details

None.

Cone Corner Radius

0.1400 inches nominal

Details

None.

Cone Width

1.9000 inches nominal

Details

None.

Cup Width

1.5000 inches nominal

Details

A measurement taken at right angles to the length of the cup,in distinction from thickness.

Retainer Fabrication Method

pressed

Details

The means used in manufacturing the retainer.

Standard Tolerance Designation

afbma class 4

Details

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

Material

steel cone

Details

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

Material

steel cup

Details

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

Material

steel retainer

Details

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

Material

steel roller

Details

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

Material Document And Classification

66 fed std single material response cone

Details

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

Material Document And Classification

66 fed std single material response cup

Details

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

Material Document And Classification

66 fed std single material response roller

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

straight bore, normal angle

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
755-752	97578	4	-	5	9	-	XX
N164PC81	97578	4	-	5	9	-	XX
N304PC81	97578	4	-	5	9	-	XX
755-752	16603	5	-	5	9	-	ZZ
N125ALT3PC25	16603	5	-	5	9	-	ZZ
N141ALT1ITEM24	16603	5	-	5	9	-	ZZ
N164PC81	16603	5	-	5	9	-	ZZ
N304ALT1PC81	16603	5	-	5	9	-	ZZ
N304PC81	16603	5	-	5	9	-	ZZ
D2-10074PC75SHIP	73057	5	-	5	9	-	XX
D2-10076PC61	73057	5	-	5	9	-	XX
D2-10083PC3	73057	5	-	5	9	-	XX
0P120	80906	4	-	5	9	-	XX
755-752	0LTL1	E	-	3	2	-	ZZ
755-752	01212	4	-	5	9	-	KZ
107152PC20	93232	5	-	5	9	-	KZ
107153PC20	93232	5	-	5	9	-	KZ
107154PC20	93232	5	-	5	9	-	KZ
107169PC20	93232	5	-	5	9	-	KZ
107170PC20	93232	5	-	5	9	-	KZ
107252PC20	93232	5	-	5	9	-	KZ
107253PC20	93232	5	-	5	9	-	KZ
107254PC20	93232	5	-	5	9	-	KZ
107270PC20	93232	5	-	5	9	-	KZ
107271PC20	93232	5	-	5	9	-	KZ
755-752	93232	4	-	5	9	-	XX
PC20-125	93232	5	-	5	9	-	KZ
107152PC20	0AT62	5	-	5	9	-	KZ
107153PC20	0AT62	5	-	5	9	-	KZ
107154PC20	0AT62	5	-	5	9	-	KZ
107169PC20	0AT62	5	-	5	9	-	KZ
107170PC20	0AT62	5	-	5	9	-	KZ
107252PC20	0AT62	5	-	5	9	-	KZ
107253PC20	0AT62	5	-	5	9	-	KZ
107254PC20	0AT62	5	-	5	9	-	KZ
107270PC20	0AT62	5	-	5	9	-	KZ
107271PC20	0AT62	5	-	5	9	-	KZ
504N	0AT62	5	-	5	9	-	KZ
PC20-125	0AT62	5	-	5	9	-	KZ
107152PC20	93236	5	-	5	9	-	KZ
107153PC20	93236	5	-	5	9	-	KZ
107154PC20	93236	5	-	5	9	-	KZ
107169PC20	93236	5	-	5	9	-	KZ
107170PC20	93236	5	-	5	9	-	KZ
107252PC20	93236	5	-	5	9	-	KZ
107253PC20	93236	5	-	5	9	-	KZ
107254PC20	93236	5	-	5	9	-	KZ
107270PC20	93236	5	-	5	9	-	KZ
107271PC20	93236	5	-	5	9	-	KZ
504N	93236	5	-	5	9	-	KZ
HL4272PC20	93236	5	-	5	9	-	KZ
HL4273PC20	93236	5	-	5	9	-	KZ
HL4274PC20	93236	5	-	5	9	-	KZ
HL4290PC20	93236	5	-	5	9	-	KZ
HL4291PC20	93236	5	-	5	9	-	KZ
PC20-125	93236	5	-	5	9	-	KZ
755-752	60038	4	-	5	9	-	XX
755AND752	60038	4	-	5	9	-	XX
13149-69	29899	4	-	5	9	-	XX
755-752	29899	4	-	5	9	-	XX
755-752	71956	4	-	5	9	-	ZZ
755-752	50380	4	-	5	9	-	XX
8685PC46	50380	4	-	5	9	-	XX
8800PC42	50380	4	-	5	9	-	XX
H27905A29	50380	4	-	5	9	-	XX
755-752	3X894	5	-	5	9	-	ZZ
N125ALT3PC25	3X894	5	-	5	9	-	ZZ
N141ALT1ITEM24	3X894	5	-	5	9	-	ZZ
N164PC81	3X894	5	-	5	9	-	ZZ
N304ALT1PC81	3X894	5	-	5	9	-	ZZ
N304PC81	3X894	5	-	5	9	-	ZZ
MS19081-267	96906	4	-	5	9	-	KZ