Model: BB21720

Plain Bearing Unit

Properties:

Bore Diameter

3.2500 inches

Housing Diameter

Between 4.9910 inches and 4.9960 inches

Housing Length

Between 4.0625 inches and 4.1875 inches

Housing Width

Between 4.9910 inches and 4.9960 inches

Lubrication Fitting Type

Hydraulic

Alignment Type

Rigid

Lubrication Fitting Angle From Horizontal Centerline

0.0 degrees

Lubrication Material

Grease

Material

Iron cast housing

NSN

3130-00-706-3764

Part Number

BB21720

Description

Bearing Unit,plain

CAGE

56442

An assembled unit, composed of a housing incorporating a plain bearing, or bearings, designed to meet various or specific conditions of mounting.

Part BB21720 NSN 3130-00-706-3764

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

30557

FIIG:

A093A0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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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