Model: TB7021

Sleeve Bearing

Special Features:

Right end od of body reduced to 8.620 in. Diameter by 0.187 in. Lg

Properties:

Hole Diameter
0.3750 inches first
Overall Length
Between 1.6550 inches and 1.6560 inches
Body Outside Diameter
Between 8.7450 inches and 8.7470 inches
Body Inside Diameter
Between 7.7470 inches and 7.7480 inches
Corner Shape
Chamfered outside left corner
Corner Shape
Round inside left corner
Corner Shape
Round inside right corner
Corner Shape
Square outside right corner
Hardness Rating
44.0 rockwell c and 54.0 rockwell c
Surface Finish
32.0 microinches inside diameter surface of body
Surface Finish
32.0 microinches outside diameter surface of body
Antirotation/lubrication Type And Quantity
3 hole
Keyway Dimension
0.5000 inches internal keyway width
Keyway Dimension
1.6550 inches internal keyway length and 1.6560 inches internal keyway length
Keyway Dimension
0.1270 inches internal keyway depth
Material
Steel comp 1015
Material Specification
Sae assn standard single material response
Style Designator
17c solid, plain, no outside flanges
Style Designator
Solid, plain, no outside flanges
NSN
3120-00-350-0402
Part Number
TB7021
Description
Bearing,sleeve
CAGE
81921

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 TB7021 NSN 3120-00-350-0402

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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