Model: NA4844

Needle Roller Bearing

Properties:

Overall Width

50.0000 millimeters

Bore Diameter

220.0000 millimeters

Overall Outside Diameter

270.0000 millimeters

Lubrication Material

Oil

Cubic Measure

1728.000 cubic inches

End Application

Used in schottel bow thruster 378 ft whec coast guard vessels

Surface Finish

Ground

Retainer Fabrication Method

Machined

Alignment Type

Rigid

Unpackaged Unit Weight

50.0 pounds

Material

Steel

Style Designator

Non-separable, with roller retainer, hardened and ground

NSN

3110-00-768-8406

Part Number

NA4844

Description

Bearing,roller,needle

CAGE

58741

A single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.

Part NA4844 NSN 3110-00-768-8406

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

00051

FIIG:

A044A0

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: 8482400000
SITC: 74640
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Needle roller bearings