Model: KMDB48-20

Self-aligning Plain Bearing

Special Features:

Plastic, polytetrafluoroethylene, self-lubricated liner bonded to id of inner member

Properties:

Bore Diameter
Between 2.9990 inches and 3.0000 inches
Outer Member Outside Diameter
Between 4.7472 inches and 4.7480 inches
Outer Member Width
Between 2.2500 inches and 2.2600 inches
Inner Member Width
Between 2.6200 inches and 2.6250 inches
Static Radial Load Rating
582000 pounds
Material
Plastic polytetrafluoroethylene race liner
Material
Steel comp 440c inner member
Material
Steel comp 630 outer race member
Style Designator
With insert and/or liner with staking groove
NSN
3120-00-402-8971
Part Number
KMDB48-20
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 KMDB48-20 NSN 3120-00-402-8971

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:
5.3 X 3.2 X 3.2
Paclk Weight:
3.9000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114820
UFC:
58860
LTL:
77.5
LCL:
--
WCC:
742
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

End Items End applications NSN 3120-00-402-8971 is a component of

  • Stratofortress B-52 Aircraft
  • Galaxy C-5 Aircraft
  • 008242889
  • Landing Gear Drag Link

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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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