Model: 578311-101

Self-aligning Plain Bearing

Properties:

Bore Diameter

Between 2.0000 inches and 2.0010 inches

Lubrication Material

Molybdenum disulfide, mm 1920, type 1, menasco mfg company

End Application

Landing gear, aircraft

Outer Member Outside Diameter

Between 2.6864 inches and 2.6873 inches

Outer Member Width

Between 0.8700 inches and 0.8800 inches

Inner Member Width

Between 0.9950 inches and 1.0000 inches

Static Radial Load Rating

70000 pounds

Hardness Rating

24.0 rockwell c inner member and 59.0 rockwell c inner member

Hardness Rating

24.0 rockwell c outer race member and 59.0 rockwell c outer race member

Material

Steel comp 4130 outer race member

Material

Steel comp e52100 inner member

Material Specification

66 federal standard single material response inner member and aisi/sae e52100 assn standard single material response inner member

Material Specification

Mil-s-6758, cond 1 military specification single material response outer race member

Surface Treatment

Chromium outer race member

Surface Treatment

Cadmium inner member

Surface Treatment Specification

Qq-c-320, type.2, class 2 federal specification single treatment response outer race member

Style Designator

Without insert or liner

NSN

3120-00-555-5898

Part Number

578311-101

Description

Bearing,plain,self-aligning

CAGE

17576

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 578311-101 NSN 3120-00-555-5898

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:

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