Model: 521191

Sleeve Bearing

Properties:

Hole Diameter
0.1875 inches first
Overall Length
0.9920 inches
Body Outside Diameter
Between 0.9385 inches and 0.9395 inches
Body Inside Diameter
Between 0.7240 inches and 0.7340 inches
Flange Outside Diameter
Between 1.1100 inches and 1.1300 inches
Flange Width
Between 0.1090 inches and 0.1150 inches
Corner Shape
Chamfered outside right corner
Corner Shape
Relief groove left flange body corner
Corner Shape
Square inside right corner
Corner Shape
Square inside left corner
Corner Shape
Square left flange outside right corner
Corner Shape
Square outside left corner
Hardness Rating
65.0 rockwell f
Surface Finish
125.0 microinches left end surface of body and flange
Surface Finish
32.0 microinches outside diameter surface of body
Surface Finish
63.0 microinches inside diameter surface of body
Antirotation/lubrication Type And Quantity
1 hole
Material
Copper alloy 937
Material Specification
Sae assn standard single material response
Style Designator
22c solid, external flange one end
Style Designator
Solid, external flange one end
NSN
3120-00-516-1395
Part Number
521191
Description
Bearing,sleeve
CAGE
02978

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 521191 NSN 3120-00-516-1395

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:
A
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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