Model: BB21704

Sleeve Bearing

Special Features:

Flange face has two oil grooves diametricly opposed

Properties:

Hole Diameter
0.2656 inches first
Overall Length
3.0310 inches
Body Outside Diameter
Between 3.1400 inches and 3.1510 inches
Body Inside Diameter
Between 3.2530 inches and 3.2560 inches
Flange Outside Diameter
Between 3.7450 inches and 3.7550 inches
Flange Width
Between 0.3095 inches and 0.3155 inches
Lubricant Accommodation Style
Grooved circular and grooved open one end
Corner Shape
Relief groove left flange body corner
Corner Shape
Square inside right 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
Antirotation/lubrication Type And Quantity
2 hole
Surface Groove Location And Quantity
1 internal and 2 internal
Material
Copper alloy 937
Material Specification
Sae assn standard single material response
Style Designator
22c solid, external flange one end
Style Designator
Solid, external flange one end
NSN
3120-00-706-3732
Part Number
BB21704
Description
Bearing,sleeve
CAGE
56442

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 BB21704 NSN 3120-00-706-3732

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

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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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