Model: PRB4

Self-aligning Plain Bearing

Properties:

Bore Diameter

Between 0.2495 inches and 0.2500 inches

Outer Member Outside Diameter

Between 0.6557 inches and 0.6562 inches

Outer Member Width

0.2450 inches

Inner Member Width

Between 0.3380 inches and 0.3430 inches

Lubrication Feature

Groove external outer member

Material

Copper alloy outer race member

Material

Steel inner member

Surface Treatment

Cadmium outer race member

Style Designator

Without insert or liner

NSN

3120-00-661-7138

Part Number

PRB4

Description

Bearing,plain,self-aligning

CAGE

99528

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 PRB4 NSN 3120-00-661-7138

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

061130

UFC:

34350

LTL:

77.5

LCL:

70.0

WCC:

743

TCC:

SHC:

ACC:

Instruments/Radio

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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