Model: T660

Duplex Ball Bearing

Properties:

Overall Width

Between 0.3700 inches and 0.3800 inches

Bore Diameter

Between 2.8748 inches and 2.8750 inches

Overall Outside Diameter

Between 3.2498 inches and 3.2500 inches

Lubrication Material

Lubricant, dry film

End Application

Combat talon ii

Surface Finish

Ground

Load Direction

Radial

Standard Tolerance Designation

Abec no.5

Bearing Preload Rating

Between 0.5 pounds and 10.0 pounds

Contact Angle

25.0 degrees

Lubrication Material Specification

Mil-g-21164 military specification single material response

Material

Steel

Material Specification

Qq-s-763 federal specification single material response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Style Designator

92b counterbored outer rings, non-separable, back to back mounting

NSN

3110-01-253-2187

Part Number

T660

Description

Bearing,ball,duplex

CAGE

40920

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 T660 NSN 3110-01-253-2187

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

114820

UFC:

58860

LTL:

77.5

LCL:

WCC:

742

TCC:

SHC:

ACC:

Equipment for Aircraft

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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