NSN 3110-00-156-6869 FF-B-171/21, FFB171/21Y11A2E, FFB17121

Product Details | DUPLEX BALL BEARING

3110-00-156-6869 Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.

Part Alternates: FF-B-171/21, FFB171/21Y11A2E, FFB17121, FFB17121Y11A2E, P96185661, P9618566-1, 20211DT, 20211DU, 7211WDU, 7211WNDU, 3110-00-156-6869, 00-156-6869, 3110001566869, 001566869

Bearings | Bearings, Antifriction, Unmounted

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
31	01 JAN 1963	00-156-6869	30213 ( BEARING, BALL, DUPLEX )

Part Number	Request Date	QTY	Origin	SBA
3110-00-156-6869	2010-02-40	8	Canada

Cross Reference | NSN 3110-00-156-6869

Part Number	Cage Code	Manufacturer
20211DT	24617	GENERAL MOTORS CORP
20211DT	43334	GENERAL MOTORS CORP DELCO MORAINE NDH DIV
20211DU	43334	GENERAL MOTORS CORP DELCO MORAINE NDH DIV
7211WDU	21335	TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE
7211WNDU	21335	TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE
FF-B-171/21	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
FFB171/21Y11A2E	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
P9618566-1	24446	GENERAL ELECTRIC CO

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Related Products | NSN 3110-00-156-6869

3110-00-156-6872, 3110-00-156-7441, 3110-00-156-7442, 3110-00-156-7484, 3110-00-156-7489

Technical Data | NSN 3110-00-156-6869

Characteristic	Specifications
MATERIAL	STEEL OVERALL
OVERALL WIDTH	21.0 MILLIMETERS NOMINAL
BORE DIAMETER	55.00 MILLIMETERS NOMINAL
OVERALL OUTSIDE DIAMETER	100.00 MILLIMETERS NOMINAL
STANDARD TOLERANCE DESIGNATION	ABEC NO.1
SURFACE FINISH	GROUND
RETAINER FABRICATION METHOD	PRESSED
LOAD DIRECTION	ANGULAR
BEARING PRELOAD DESIGNATION	LIGHT
MANUFACTURERS CODE	81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	FF-B-171/21
MANUFACTURERS CODE	81348
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	FFB171/21Y11A2E

Restrictions/Controls & Freight Information | NSN 3110-00-156-6869

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	N	There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:	A	Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:	U	UNCLASSIFIED
Precious Metals Indicator Code:	U	Precious metal type is unknown
Criticality Code:	X	The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Category	Code	Description
NMF Description	114820	BEARINGS/BUSHINGS NOI BALL/ROLLER
Less than car load rating
Less than truck load rating	P	77.5
Water commodity Code	742	unknown
Originating Activity Code	XX
Air Dimension Code	A	Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity	V	Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling	Z	No special handling required.
Special Handling Code	9	unknonwn
HAZMAT
Type of Cargo	Z	No special type of cargo code applicable

Management | NSN 3110-00-156-6869

Air Force
Navy

Category	Code	Description
Budget Code	9	General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Fund Code	SF	Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Price Validation	V	The current standard price has been validated. The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range. The item was procured under open competition and under the competitive arena the price is considered fair and reasonable. ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DF	Department of the Air Force
Service Organization	F	U.S. Air Force
Reparability	N	Stock Fund (except Munitions)
Acquisition Advice Codes	J	NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 PR : Pair

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DN	Department of the Navy
Service Organization	N	U.S. Navy
Acquisition Advice Codes	J	NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 PR : Pair