Model: B-303-31D-C

Duplex Ball Bearing

Properties:

Overall Width

0.2190 inches

Bore Diameter

Between 0.24980 inches and 0.24985 inches

Overall Outside Diameter

Between 0.39045 inches and 0.39050 inches

Surface Finish

Ground

Standard Tolerance Designation

Abec no. 9p

NSN

3110-01-113-8843

Part Number

B-303-31D-C

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 B-303-31D-C NSN 3110-01-113-8843

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:

77.5

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