Model: KWB28-18

Self-aligning Plain Bearing

Special Features:

Oversize o.D. Version of kwb28-20sga; used on link, pin gudgeon of mainlanding gear of c5 a/b

Properties:

Bore Diameter

Between 1.7492 inches and 1.7500 inches

Lubrication Material

Lubricating oil

Outer Member Outside Diameter

Between 3.0590 inches and 3.0600 inches

Outer Member Width

Between 1.3120 inches and 1.3220 inches

Inner Member Width

Between 1.8070 inches and 1.8120 inches

Static Radial Load Rating

380000 pounds

Lubrication Feature

Groove outer race member and perforation outer race member

Material

Steel comp 4130 outer race member

Material

Steel comp e52100 inner member

Surface Treatment

Cadmium outer race member

Surface Treatment Specification

Qq-p-416 federal specification single treatment response outer race member

Style Designator

Without insert or liner with staking groove

NSN

3120-01-318-1729

Part Number

KWB28-18

Description

Bearing,plain,self-aligning

CAGE

97613

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 KWB28-18 NSN 3120-01-318-1729

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:

114800

UFC:

58850

LTL:

RATING VARIABLE

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