Model: 55503MIL-G-3278

Annular Ball Bearing

Properties:

Overall Width

0.6875 inches

Bore Diameter

17.00 millimeters

Overall Outside Diameter

40.00 millimeters

Lubrication Material

Grease

Surface Finish

Ground

Retainer Fabrication Method

Pressed

Shield Quantity

Load Direction

Angular

Bore Shape

Straight

Internal Fit-up Designation

Standard

Standard Tolerance Designation

Abec no.1

Lubrication Material

Grease

Lubrication Material Specification

Mil-g-23827 military specification single material response

Material

Steel comp e51100

Style Designator

28b loading groove, non-separable

Style Designator

Loading groove, non-separable

Specification Data

81348-ff-b-171 government specification and 19205-65b9938 manufacturers specification control

Nondefinitive Specification/std Data

143 type and 00 grade

NSN

3110-00-156-4672

Part Number

55503MIL-G-3278

Description

Bearing,ball,annular

CAGE

43334

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing, ball, duplex. Excludes bearing, ball, airframe.

Part 55503MIL-G-3278 NSN 3110-00-156-4672

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

00014

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: 8482105028
SITC: 74610
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Angular contact ball bearings, nesoi