Model: D56521

Sleeve Bearing

Properties:

Overall Length
12.0000 inches
Body Outside Diameter
Between 18.9990 inches and 19.0000 inches
Body Inside Diameter
Between 16.0000 inches and 16.0010 inches
Lubrication Material
Lubricating oil
Corner Shape
Round all corners
Surface Finish
32.0 microinches inside diameter surface of body
Surface Finish
63.0 microinches outside diameter surface of body
Material
Tin alloy uns l13890 inner layer
Material
Steel uns k02001 outer layer
Material Specification
Qq-s-691 federal specification single material response outer layer
Material Specification
Qq-t-390 federal specification single material response inner layer
Style Designator
17b segmented, plain, no outside flanges
Style Designator
Segmented, plain, no outside flanges
NSN
3120-00-071-5498
Part Number
D56521
Description
Bearing,sleeve
CAGE
16712

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 D56521 NSN 3120-00-071-5498

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:
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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