Model: 1881B21

Sleeve Bearing

Properties:

Overall Length
2.61925 inches
Body Outside Diameter
Between 3.3149 inches and 3.3166 inches
Body Inside Diameter
Between 3.1190 inches and 3.1210 inches
Flange Outside Diameter
3.8750 inches
Flange Width
Between 0.0890 inches and 0.0900 inches
Lubricant Accommodation Style
Grooved spiral circular
Corner Shape
Chamfered inside left corner
Corner Shape
Square inside right corner
Corner Shape
Square left flange body corner
Corner Shape
Square left flange outside right corner
Corner Shape
Square outside left corner
Corner Shape
Square outside right corner
Surface Finish
32.0 microinches outside diameter surface of body
Material
Copper alloy 630
Surface Treatment
Cadmium outside diameter surface of body
Surface Treatment
Cadmium right end surface of left flange
Style Designator
22c solid, external flange one end
NSN
3120-01-185-7287
Part Number
1881B21
Description
Bearing,sleeve
CAGE
13002

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 1881B21 NSN 3120-01-185-7287

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:
LE
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.3000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114820
UFC:
58860
LTL:
77.5
LCL:
77.5
WCC:
742
TCC:
Z
SHC:
Z
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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