Model: 21-233

Sleeve Bearing

Properties:

Hole Diameter
0.3125 inches first
Overall Length
Between 2.9995 inches and 3.0005 inches
Body Outside Diameter
Between 2.7965 inches and 2.7975 inches
Body Inside Diameter
Between 2.6265 inches and 2.6275 inches
Lubricant Accommodation Style
Grooved closed both ends and grooved circular
Corner Shape
Square all corners
Antirotation/lubrication Type And Quantity
2 hole
Surface Groove Location And Quantity
2 internal and 1 internal
Keyway Dimension
0.2380 inches external keyway length and 0.2430 inches external keyway length
Keyway Dimension
0.0450 inches external keyway depth and 0.0550 inches external keyway depth
Keyway Dimension
0.2188 inches external keyway width
Material
Tin alloy inner layer
Material
Steel outer layer
Material Specification
Astm a576 assn standard single material response outer layer
Style Designator
17b segmented, plain, no outside flanges
Style Designator
Segmented, plain, no outside flanges
NSN
3120-00-424-5514
Part Number
21-233
Description
Bearing,sleeve
CAGE
35301

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 21-233 NSN 3120-00-424-5514

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:
RATING VARIABLE
WCC:
742
TCC:
Z
SHC:
5
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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