Tapered Roller Bearing

643-632

(NSN) National Stock Number

3110-00-100-4238

Federal Supply Classification

3110 Unmounted Antifriction Bearings

Item Name Code

00021

Schedule B Code

8482200030

Summary

1.6250 inches nominal overall width, 2.7500 inches nominal bore diameter, 5.3750 inches nominal overall outside diameter, 0.1250 inches nominal backface corner radius, 0.3750 inches nominal standout width, 0.1400 inches nominal cone corner radius

DAC	HCC	DMIL	RNCC
X	-	-	5

RNVC	SADC	MSDS	RNAAC
1	-	-	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

1.6250 inches nominal

Details

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

Bore Diameter

2.7500 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

5.3750 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

0.1250 inches nominal

Details

None.

Standout Width

0.3750 inches nominal

Details

None.

Cone Corner Radius

0.1400 inches nominal

Details

None.

Cone Width

1.6250 inches nominal

Details

None.

Cup Width

1.2500 inches nominal

Details

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

Standard Tolerance Designation

afbma class 2

Details

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

Material

steel comp 4320 cone or steel comp 4620 cone or steel comp 8620 cone or steel comp e52100 cone

Details

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

Material

steel comp 4320 cup or steel comp 4620 cup or steel comp 8620 cup or steel comp e52100 cup

Details

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

Material

steel comp 4320 roller or steel comp 4620 roller or steel comp 8620 roller or steel comp e52100 roller

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.

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
FF-B-187	81348	E	-	4	1	-	ZZ
ASD1508	49185	5	-	5	1	-	ZZ
IR3000B6	30760	5	-	5	9	-	KZ
IR3000B6	0AT62	5	-	5	1	-	KZ
IR3000B6	88663	5	-	5	9	-	KZ
643-632	60038	X	-	5	1	-	XX
643632	60038	X	-	5	1	-	XX
ASD1508	75535	X	-	5	9	-	XX
MS19081-117	96906	E	-	2	2	-	XX
ASD1508	02280	5	-	5	9	-	ZZ

Material and Special Handling

Hazardous material, precious metals, criticality, and electrostatic discharge indicators.

HMIC	PMIC	ESD/EMI	Criticality
N	A	-	-

Freight

Universal / National Freight and Handling Information

UFC	HMC	LTL	LCL
58860	-	P	-

RVC	WCC	TCC	SHC
-	742	Z	9

Certified Supplier

Order with confidence, we are a valued certified supplier serving customers in the military and aerospace industries.

ISO9001 / AS9100 Quality Standards
HAZMAT Certified
On Time Delivery
Qualified Sales Team
Counterfeit Parts Prevention
100% Product Inspections

Manufacturer

BLAW-KNOX CONSTRUCTION EQUIPMENT CO DIV OF WHITE CONSOLIDATED INDUSTRIES INC

CAGE: 80906

MATTOON , IL , 61938-4610

UNITED STATES

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FAQs

Frequently asked questions for NSN 3110-00-100-4238

What is the NIIN of the NSN 3110-00-100-4238?

The National Item Identification Number (NIIN) of the NSN 3110-00-100-4238 is 00-100-4238

When the NSN 3110-00-100-4238 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Sun, Jan 1, 1961

Does the NSN 3110-00-100-4238 contain any precious metals?

Does not contain precious metal

Does the NSN 3110-00-100-4238 contain any hazardous material?

No data in HMIRS

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