Model: MDW4A 1174

Airframe Ball Bearing

Properties:

Bore Diameter

Between 0.2497 inches and 0.2500 inches

Overall Outside Diameter

Between 0.7496 inches and 0.7500 inches

Lubrication Material

Grease

End Application

Fleet combat

Outer Ring Width

0.7500 inches

Inner Ring Width

0.8750 inches

Seal Quantity

Bearing Seal Type

Contact

Load Direction

Angular

Part Name Assigned By Controlling Agency

Precision bearing extra wide type-double row

Lubrication Material Specification

Mil-g-81322 military specification single material response

Material

Plastic polytetrafluoroethylene seal

Material

Steel

Material Specification

Ams-6440/6444 assn standard single material response

Surface Treatment

Cadmium exposed surfaces as mounted

Surface Treatment Specification

Qq-p-416 federal specification single treatment response exposed surfaces as mounted

Style Designator

Double row

NSN

3110-01-495-4869

Part Number

MDW4A 1174

Description

Bearing,ball,airframe

CAGE

3NPS1

A cylindrical item in which the inner or outer ring turns upon row(s) of hardened ball, bearing which roll on a raceway, thus minimizing friction. These items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. Designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. Excludes bearing, ball, annular.

Part MDW4A 1174 NSN 3110-01-495-4869

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

00041

FIIG:

A044A0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

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

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

1.7 X 1.7 X 1.5

Paclk Weight:

0.2000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

114820

UFC:

58860

LTL:

77.5

LCL:

WCC:

742

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8482105068
SITC: 74610
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Ball bearings, nesoi