Model: 255012-4

Sleeve Bearing

Special Features:

6 holes, 0.2810 in. Diameter drilled through flange on 2.6250 in. Diameter bolt circle. Holes counterbored 0.4380 in. Diameter by 0.2500 in. Deep on flange face

Properties:

Overall Length
1.5625 inches
Body Outside Diameter
Between 2.1240 inches and 2.1245 inches
Body Inside Diameter
Between 1.6250 inches and 1.6260 inches
Lubrication Material
Lubricating oil
Flange Outside Diameter
Between 3.2400 inches and 3.2500 inches
Flange Width
0.3750 inches
Lubricant Accommodation Style
Grooved open one end
Corner Shape
Chamfered outside right corner
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
Surface Groove Location And Quantity
2 internal
Material
Copper alloy 934
Material Specification
Mil-b-16261, gr 2 military specification single material response
Style Designator
22c solid, external flange one end
Style Designator
Solid, external flange one end
NSN
3120-00-177-2928
Part Number
255012-4
Description
Bearing,sleeve
CAGE
93232

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 255012-4 NSN 3120-00-177-2928

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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