Model: 55303M

Self-aligning Plain Bearing

Properties:

Bore Diameter

Between 0.2495 inches and 0.2500 inches

Lubrication Material

Lubricant, dry film, bms 3-8, mcdonnell douglas corp, mcdonnell aircraft division

Outer Member Outside Diameter

Between 0.6245 inches and 0.6250 inches

Outer Member Width

Between 0.3220 inches and 0.3320 inches

Inner Member Width

Between 0.4320 inches and 0.4370 inches

Static Radial Load Rating

17500 pounds

Hardness Rating

28.0 rockwell c outer race member and 36.0 rockwell c outer race member

Hardness Rating

50.0 rockwell c inner member and 60.0 rockwell c inner member

Material

Steel comp 440c inner member

Material

Steel comp 630 outer race member

Style Designator

Without insert or liner

NSN

3120-01-040-8740

Part Number

55303M

Description

Bearing,plain,self-aligning

CAGE

09455

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes bearing, plain, rod end and bearing, plain, spherical.

Part 55303M NSN 3120-01-040-8740

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

13208

FIIG:

A045A0

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:

Paclk Weight:

0.1000lbs

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:

114850

UFC:

58880

LTL:

70.0

LCL:

WCC:

742

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8482300040
SITC: 74630
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Spherical roller bearings, single row