Model: 3F8931

Sleeve Bearing

Properties:

Overall Length
2.2500 inches
Body Outside Diameter
Between 1.8745 inches and 1.8750 inches
Body Inside Diameter
Between 1.5450 inches and 1.5500 inches
Flange Outside Diameter
2.7500 inches
Flange Width
0.1250 inches
Lubricant Accommodation Style
Grooved circular
End To Flange Distance
Between 0.9260 inches and 0.9310 inches
Corner Shape
Chamfered inside left corner
Corner Shape
Round center flange left body corner
Corner Shape
Relief groove center flange right body corner
Corner Shape
Square center flange outside left corner
Corner Shape
Square center flange outside right corner
Corner Shape
Square inside right corner
Corner Shape
Square outside left corner
Corner Shape
Square outside right corner
Features Provided
Casehardened
Hardness Rating
57.0 rockwell c outside diameter surface of body and 62.0 rockwell c outside diameter surface of body
Left End Body Diameter
Between 1.8745 inches and 1.8750 inches
Right End Body Diameter
Between 1.8745 inches and 1.8750 inches
Material
Steel comp 8620
Style Designator
21c solid, external flange
Style Designator
Solid, external flange
NSN
3120-00-339-3890
Part Number
3F8931
Description
Bearing,sleeve
CAGE
11083

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 3F8931 NSN 3120-00-339-3890

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:
114850
UFC:
58880
LTL:
70.0
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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