Self-aligning Plain Bearing NSN 3120-01-004-4937

Item Description

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes bearing, plain, rod end and bearing, plain, spherical.

NSN: 3120-01-004-4937

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Features and Characteristics

Bore Diameter

Between 0.4995 inches and 0.5000 inches

Outer Member Outside Diameter

Between 0.9995 inches and 1.0000 inches

Outer Member Width

Between 0.5000 inches and 0.5100 inches

Inner Member Width

Between 0.6230 inches and 0.6250 inches

Static Radial Load Rating

28000 pounds

Hardness Rating

55.0 rockwell c inner member and 60.0 rockwell c inner member

Lubrication Feature

Self-lubricating liner inside diameter surface of body

Special Features

Misalignment porm 10 deg; notch in outer race member 0.049 in. Min to 0.055 in. Max l, 0.035 in. Min to 0.040 in. Max deep, 0.010 in. Min to 0.020 in. Max r

Material

Steel comp 630 race insert

Material Specification

Kahr-lon, cagec 97613 mfr ref single material response race liner

Surface Treatment

Cadmium race insert and chromate race insert

Surface Treatment Specification

Qq-p-416, class 2, type 2 federal specification single treatment response race insert

Style Designator

With insert and/or liner

FSC

3120 Unmounted Plain Bearings

NIIN

010044937

NSN

3120010044937

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

LWG08E105

Cage Code:

16746

Status:

MSDS:

Part Number:

KWDB8-5

Cage Code:

97613

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8482300040
NAICS: 332991
SITC: 74630
Description: Spherical roller bearings, single row
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 3120-01-004-4937

What are the manufacturers of nsn 3120010044937?

Specline Inc. (16746)
Sargent Aerospace & Defense, Llc (97613)

Does this nsn 3120010044937 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3120010044937
A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. it is used to carry a load and to reduce sliding friction. it does not employ rolling elements. the item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. the assembly may be either separable or nonseparable. excludes bearing, plain, rod end and bearing, plain, spherical.

Does nsn 3120010044937 contain any precious metals?
No precious metal content.

Does nsn 3120010044937 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3120010044937?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

13208

FIIG:

A045A0

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
Quality Inspected Parts
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