Self-aligning Plain Bearing NSN 3120-00-316-8121

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: 3120-00-316-8121

Stock Availability

NSN 3120003168121 availability
(as of 07/29/2024).

AR: 1

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Features and Characteristics

Bore Diameter

Between 5.0600 inches and 5.0605 inches

Outer Member Outside Diameter

Between 5.9195 inches and 5.9200 inches

Outer Member Width

Between 1.1650 inches and 1.1700 inches

Inner Member Width

Between 1.3700 inches and 1.3750 inches

Static Radial Load Rating

185000 pounds

Hardness Rating

55.0 rockwell c inner member and 60.0 rockwell c inner member

Material

Steel comp 630 outer race member

Style Designator

With insert and/or liner

Test Data Document

81349-mil-i=6866 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

FSC

3120 Unmounted Plain Bearings

NIIN

003168121

NSN

3120003168121

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

4M286-81

Cage Code:

76301

Status:

MSDS:

Part Number:

HSP81TL102

Cage Code:

02758

Status:

MSDS:

Part Number:

03-823-81E-003

Cage Code:

09455

Status:

MSDS:

Part Number:

KMDB81-1

Cage Code:

97613

Status:

MSDS:

Part Number:

LDS81E-111

Cage Code:

16746

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 3120-00-316-8121

What are the manufacturers of nsn 3120003168121?

Boeing Company, The (76301)
U S Bearings (02758)
Rbc Transport Dynamics Corp. (09455)
Sargent Aerospace & Defense, Llc (97613)
Specline Inc. (16746)

Does this nsn 3120003168121 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3120003168121
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 3120003168121 contain any precious metals?
Precious metal content is unknown.

Does nsn 3120003168121 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3120003168121?
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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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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