Model: 3TAR56-66UDB8-12LY189

Duplex Ball Bearing

Properties:

Overall Width

0.6250 inches

Bore Diameter

3.5000 inches

Overall Outside Diameter

4.1250 inches

Lubrication Material

Grease

End Application

Air route surveillance radar 3, arsr3

Surface Finish

Ground

Retainer Fabrication Method

Pressed

Shield Quantity

Load Direction

Angular

Internal Fit-up Designation

Standard

Lubrication Material Specification

Mil-g-27617 military specification single material response

Material

Steel comp 440c

Material Specification

Fed-std66 federal specification single material response

Style Designator

92a non-loading groove, non-separable, tandem mounting

NSN

3110-01-199-9493

Part Number

3TAR56-66UDB8-12LY189

Description

Bearing,ball,duplex

CAGE

78118

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 3TAR56-66UDB8-12LY189 NSN 3110-01-199-9493

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

30213

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:

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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