Tapered Roller Bearing

FF-B-187/01-512

(NSN) National Stock Number

3110-00-071-8854

Federal Supply Classification

3110 Unmounted Antifriction Bearings

Item Name Code

00021

Schedule B Code

8482200030

Summary

0.8661 inches nominal overall width, 2.6875 inches nominal bore diameter, 4.3307 inches nominal overall outside diameter, 0.0500 inches nominal backface corner radius, 0.1250 inches nominal standout width, 0.2000 inches nominal cone corner radius

DAC	HCC	DMIL	RNCC
E	-	-	5

RNVC	SADC	MSDS	RNAAC
9	-	-	ZZ

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

0.8661 inches nominal

Details

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

Bore Diameter

2.6875 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

4.3307 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

0.0500 inches nominal

Details

None.

Standout Width

0.1250 inches nominal

Details

None.

Cone Corner Radius

0.2000 inches nominal

Details

None.

Cone Width

0.8661 inches nominal

Details

None.

Cup Width

0.7411 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 overall

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
C110214	16603	5	-	5	9	-	KZ
AA59649	58536	E	-	4	1	-	ZZ
AA59649-512	58536	E	-	2	2	-	ZZ
FF-B-187/01	81348	E	-	5	9	-	ZZ
399AS394A	60038	3	-	5	1	-	HD
C110214	3X894	5	-	5	1	-	KZ
MS19081-237	96906	E	-	5	9	-	KZ

Material and Special Handling

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

HMIC	PMIC	ESD/EMI	Criticality
N	U	-	-

Freight

Universal / National Freight and Handling Information

UFC	HMC	LTL	LCL
58860	-	P	-

RVC	WCC	TCC	SHC
-	742	Z	9

Certified Supplier

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Manufacturer

FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC

CAGE: 81348

NATL INSTITUTE STDS & TECH , MD , 20899

UNITED STATES

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FAQs

Frequently asked questions for NSN 3110-00-071-8854

What is the NIIN of the NSN 3110-00-071-8854?

The National Item Identification Number (NIIN) of the NSN 3110-00-071-8854 is 00-071-8854

When the NSN 3110-00-071-8854 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Tue, Jul 25, 1967

Does the NSN 3110-00-071-8854 contain any precious metals?

Type/content is unknown

Does the NSN 3110-00-071-8854 contain any hazardous material?

No data in HMIRS

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