Model: 578A

Sleeve Bearing

Properties:

Overall Length
Between 1.9219 inches and 1.9531 inches
Body Outside Diameter
Between 1.4977 inches and 1.4980 inches
Body Inside Diameter
Between 1.2505 inches and 1.2511 inches
Flange Outside Diameter
Between 1.6250 inches and 1.6280 inches
Flange Width
Between 0.1919 inches and 0.2031 inches
Corner Shape
Chamfered inside right corner
Corner Shape
Chamfered outside left corner
Corner Shape
Square left flange body corner
Corner Shape
Square inside left corner
Corner Shape
Square left flange outside right corner
Corner Shape
Square outside right corner
Surface Finish
45.0 microinches inside diameter surface of body
Surface Finish
65.0 microinches outside diameter surface of body
Material
Copper alloy 932 or copper alloy 937
Style Designator
22c solid, external flange one end
Style Designator
Solid, external flange one end
NSN
3120-00-661-8508
Part Number
578A
Description
Bearing,sleeve
CAGE
81029

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 578A NSN 3120-00-661-8508

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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