Model: B2-2938

Sleeve Bearing

Special Features:

Flange drilled w/four holes 0.196 in. Diameter equally spaced

Properties:

Overall Length
Between 1.2160 inches and 1.2240 inches
Body Outside Diameter
Between 2.0464 inches and 2.0468 inches
Body Inside Diameter
Between 1.5757 inches and 1.5763 inches
Lubrication Material
Lubricant, manufacturers standard
Flange Outside Diameter
Between 2.7550 inches and 2.7560 inches
Flange Width
0.1380 inches
Corner Shape
Chamfered inside right corner
Corner Shape
Chamfered inside left corner
Corner Shape
Chamfered outside right corner
Corner Shape
Square left flange body corner
Corner Shape
Square left flange outside right corner
Corner Shape
Square outside left corner
Surface Finish
32.0 microinches inside diameter surface of body
Surface Finish
32.0 microinches outside diameter surface of body
Surface Finish
63.0 microinches left end surface of body and flange
Surface Finish
63.0 microinches outside diameter surface of flange
Surface Finish
63.0 microinches right end surface of left flange
Surface Finish
63.0 microinches right end surface of body
Material
Copper alloy 464 outer layer
Material
Lead alloy inner layer
Style Designator
22c solid, external flange one end
NSN
3120-00-807-6427
Part Number
B2-2938
Description
Bearing,sleeve
CAGE
31949

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 B2-2938 NSN 3120-00-807-6427

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:
114820
UFC:
58860
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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