Model: 551-73D

Sleeve Bearing

Properties:

Overall Length
4.8120 inches
Body Outside Diameter
Between 4.0000 inches and 4.0010 inches
Body Inside Diameter
Between 2.5050 inches and 2.5060 inches
Left Flange Outside Diameter
4.5000 inches
Right Flange Outside Diameter
4.5000 inches
Left Flange Width
1.6260 inches
Right Flange Width
1.5620 inches
Corner Shape
Square all corners
Material
Copper alloy 836 outer layer
Material
Tin alloy uns l13890 inner layer
Style Designator
18b segmented, external flanges both ends
NSN
3120-00-953-2468
Part Number
551-73D
Description
Bearing,sleeve
CAGE
55139

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. it must have a visible or detectable means of lubrication or be self-lubricated. the over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. see also bushing, sleeve; spacer, sleeve; and washer (as modified). excludes pin, hollow.

Part 551-73D NSN 3120-00-953-2468

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13205
FIIG:
A045A0
Concept No.:
App. Key:
D
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114870
UFC:
58890
LTL:
77.5
LCL:
--
WCC:
742
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8482997090
  • SITC: 74699
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Parts, nesoi, for roller bearings or for combined ball/roller bearings, nesoi

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