Model: 4449

Sleeve Bearing

Properties:

Overall Length
Between 0.2150 inches and 0.2170 inches
Body Outside Diameter
Between 0.2650 inches and 0.2850 inches
Body Inside Diameter
Between 0.2000 inches and 0.2050 inches
Flange Outside Diameter
Between 0.4020 inches and 0.4120 inches
Flange Width
Between 0.0300 inches and 0.0500 inches
Corner Shape
Square inside right 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 left corner
Corner Shape
Square outside right corner
Hardness Rating
27.0 rockwell c
Surface Finish
100.0 microinches outside diameter surface of body
Surface Finish
100.0 microinches outside diameter surface of flange
Surface Finish
100.0 microinches right end surface of left flange
Surface Finish
40.0 microinches right end surface of body
Surface Finish
40.0 microinches inside diameter surface of body
Surface Finish
40.0 microinches left end surface of body and flange
Material
Steel comp 4130
Style Designator
22c solid, external flange one end
Style Designator
Solid, external flange one end
NSN
3120-00-517-9023
Part Number
4449
Description
Bearing,sleeve
CAGE
81400

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 4449 NSN 3120-00-517-9023

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:
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:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114850
UFC:
58880
LTL:
70.0
LCL:
65.0
WCC:
742
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

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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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