NSN 3110-01-339-1001 MR203DX2, V203ROVMMSRA, 5907397

Product Details | CYLINDRICAL ROLLER BEARING

3110-01-339-1001 A nonadjustable roller bearing consisting of a single or multiple-row of hardened cylindrical rollers and a retainer used with or without inner or oute r rings. Excludes BEARING, ROLLER, AIRFRAME.

Part Alternates: MR203DX2, V203ROVMMSRA, 5907397, 26RLHH203186, 26RLHH203-186, 3110-01-339-1001, 01-339-1001, 3110013391001, 013391001

Bearings | Bearings, Antifriction, Unmounted

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
31	16 MAY 1991	01-339-1001	00015 ( BEARING, ROLLER, CYLINDRICAL )

Drawings & Photos | NSN 3110-01-339-1001

Part Number	Request Date	QTY	Origin
5907397	2025-11-316	29	DIBBS
5907397	2025-11-308	29	DIBBS
5907397	2025-02-48	50	DIBBS
5907397	2025-02-37	50	DIBBS
5907397	2024-11-316	28	DIBBS
3110-01-339-1001	2020-10-304	1	DIBBS-RFPs
3110-01-339-1001	2015-10-279	23	DIBBS
3110-01-339-1001	2013-04-94	101	DIBBS
3110-01-339-1001	2012-05-144	40	DIBBS
3110-01-339-1001	2012-01-24	6	US
3110-01-339-1001	2008-11-316	22	DIBBS
3110-01-339-1001	2008-10-304	10	DIBBS

Cross Reference | NSN 3110-01-339-1001

Part Number	Cage Code	Manufacturer
26RLHH203-186	78118	MPB CORPORATION DBA TIMKEN AEROSPACE
5907397	38443	SKF USA INC DBA SKF AEROENGINE NORTH AMERICA
5907397	78118	MPB CORPORATION DBA TIMKEN AEROSPACE
5907397	99167	HAMILTON SUNDSTRAND CORPORATION
MR203DX2	38443	SKF USA INC DBA SKF AEROENGINE NORTH AMERICA
V203ROVMMSRA	21335	TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE

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Related Products | NSN 3110-01-339-1001

3110-01-339-1002, 3110-01-339-1271, 3110-01-339-1272, 3110-01-339-1297, 3110-01-339-1298

Technical Data | NSN 3110-01-339-1001

Characteristic	Specifications
MATERIAL	STEEL COMP E52100 INNER RING STEEL COMP E52100 OUTER RING STEEL COMP 4340 RETAINER STEEL COMP E52100 ROLLER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 64444 ASSN STD SINGLE MATERIAL RESPONSE INNER RING AMS 6444 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING AMS 6414 ASSN STD SINGLE MATERIAL RESPONSE RETAINER AMS 6444 ASSN STD SINGLE MATERIAL RESPONSE ROLLER
SURFACE TREATMENT	SILVER RETAINER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE RETAINER
STYLE DESIGNATOR	252E SINGLE ROW, ONE-DIRECTION LOCATING, TWO LIP INNER RING, ONE LIP OUTER RING, SEPARABLE
OVERALL WIDTH	0.4692 INCHES MINIMUM AND 0.4724 INCHES MAXIMUM
OVERALL OUTSIDE DIAMETER	1.5746 INCHES MINIMUM AND 1.5748 INCHES MAXIMUM
STANDARD TOLERANCE DESIGNATION	RBEC NO.5
BORE SHAPE	STRAIGHT
SURFACE FINISH	GROUND
RETAINER FABRICATION METHOD	MACHINED
LOCATING FEATURE	ONE DIRECTION
INTERNAL CLEARANCE	0.0001 INCHES MINIMUM RADIAL AND 0.0010 INCHES MAXIMUM RADIAL
MANUFACTURERS CODE	99167
MFR SOURCE CONTROLLING REFERENCE	5907397

Restrictions/Controls & Freight Information | NSN 3110-01-339-1001

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:	S	Item contains silver
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	114800	BEARING,ROLLER,THRUST
Less than car load rating
Less than truck load rating	W	Rating Variable
Water commodity Code	742	unknown
Originating Activity Code	KH	Defense Industrial Supply Center Philadelphia, PA 19111
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 3110-01-339-1001

Air Force

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.
Price Validation	N	The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM. The price has not been analyzed or reviewed for accuracy. ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Materiel Management Aggregation Code	RP	SU:GAS TURBINE ENGINES (FSC RESIDUAL MMAC)
Fund Code	SF	Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
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	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each