Model: BR303

Sleeve Bearing

Special Features:

4 holes 0.2656 in. Diameter countersunk 0.0625 in. Equally spaced on a 6.7500 in. Diameter bolt circle located on flange for securing

Properties:

Overall Length
Between 4.9900 inches and 5.0100 inches
Body Outside Diameter
Between 5.4340 inches and 5.4360 inches
Body Inside Diameter
Between 4.4420 inches and 4.4440 inches
Flange Outside Diameter
Between 7.9990 inches and 8.0100 inches
Flange Width
Between 0.2400 inches and 0.2600 inches
Lubricant Accommodation Style
Grooved closed both ends
Corner Shape
Square inside right corner
Corner Shape
Square left flange body 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
Surface Groove Location And Quantity
1 internal
Material
Copper alloy 903 or copper alloy 923
Material Specification
Mil-b-16540, gr a military specification all material responses
Style Designator
22c solid, external flange one end
Style Designator
Solid, external flange one end
NSN
3120-00-288-0010
Part Number
BR303
Description
Bearing,sleeve
CAGE
33456

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 BR303 NSN 3120-00-288-0010

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:
114870
UFC:
58890
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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