Model: A-1057A

Sleeve Bearing

Properties:

Overall Length
24.0000 inches
Body Outside Diameter
15.0000 inches
Body Inside Diameter
Between 12.1600 inches and 12.1750 inches
Flange Outside Diameter
18.6200 inches
End Application
Stern tube shafting used onboard 270 a class uscg vessels
Flange Width
0.7500 inches
Corner Shape
Round 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
Corner Shape
Square outside right corner
Material
Copper alloy external outer member
Material
Rubber internal inner member
Style Designator
22b segmented, external flange one end
NSN
3120-01-119-3704
Part Number
A-1057A
Description
Bearing,sleeve
CAGE
0BGH7

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 A-1057A NSN 3120-01-119-3704

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

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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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