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:
B
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
LE
CRITL:
X

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:
M
SPI No.:
SPI Rev.:
SPC Mkg:
51
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114800
UFC:
58850
LTL:
RATING VARIABLE
LCL:
--
WCC:
742
TCC:
Z
SHC:
9
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

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