Model: 55181

Self-aligning Plain Bearing

Special Features:

No plating in bore and inside surface of outer race

Properties:

Bore Diameter

Between 0.1895 inches and 0.1900 inches

Lubrication Material

Lubricant, dry film and grease, mil-g-23827

Outer Member Outside Diameter

Between 0.5620 inches and 0.5625 inches

Outer Member Width

Between 0.2130 inches and 0.2230 inches

Inner Member Width

Between 0.2760 inches and 0.2810 inches

Static Radial Load Rating

2350 pounds

Hardness Rating

56.0 rockwell c inner member

Lubrication Feature

Groove inner member and perforation inner member

Lubrication Feature

Groove outer race member and perforation outer race member

Material

Copper alloy outer race member

Material

Steel comp e52100 inner member or steel comp 440c inner member

Material Specification

Sae assn standard 1st material response inner member

Surface Treatment

Chromium inner member

Surface Treatment

Cadmium outer race member

Surface Treatment Specification

Qq-c-320, class 2 federal specification single treatment response inner member

Surface Treatment Specification

Qq-p-416, type 1, class 2 federal specification single treatment response outer race member

Style Designator

Without insert or liner

Specification Data

26512-gb14c manufacturers specification control

NSN

3120-01-197-8189

Part Number

55181

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 55181 NSN 3120-01-197-8189

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:

114870

UFC:

58890

LTL:

77.5

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