Model: 8B421057-3

Sleeve Bearing

Properties:

Overall Length
Between 0.6830 inches and 0.6880 inches
Body Outside Diameter
Between 1.1888 inches and 1.1898 inches
Body Inside Diameter
Between 0.9840 inches and 0.9910 inches
Corner Shape
Square all corners
Surface Finish
125.0 microinches
Material
Copper alloy 670
Surface Treatment
Cadmium left end surface of body
Surface Treatment
Cadmium outside diameter surface of body
Surface Treatment
Cadmium right end surface of body
Style Designator
17c solid, plain, no outside flanges
Style Designator
Solid, plain, no outside flanges
NSN
3120-00-517-0217
Part Number
8B421057-3
Description
Bearing,sleeve
CAGE
89446

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 8B421057-3 NSN 3120-00-517-0217

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

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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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