Duplex Ball Bearing NSN 3110-01-211-0751

Item Description

Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.

NSN: 3110-01-211-0751

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Features and Characteristics

Overall Width

Between 0.2030 inches and 0.2350 inches

Bore Diameter

Between 0.234251 inches and 0.234300 inches

Overall Outside Diameter

Between 0.406101 inches and 0.406150 inches

Lubrication Material

Grease

Surface Finish

Ground

Retainer Fabrication Method

Machined

Load Direction

Angular

Internal Clearance

0.0006 inches radial and 0.0008 inches radial

Bearing Preload Rating

Between 1.75 pounds and 2.25 pounds

Contact Angle

Between 5.0 degrees and 25.0 degrees

Special Features

Consists of one bearing without a flange and one bearing with a flange, flange 0.4360 in. Min and 0.4370 in. Max dia, 0.0220 in. Min and 0.0230 in. Max w

Lubrication Material Specification

639as3195 mfr ref single material response

Material

Steel comp 440c outer ring

Material Specification

Qq-s-763, cond a federal specification single material response outer ring

Surface Treatment

Passivate outer ring

FSC

3110 Unmounted Antifriction Bearings

NIIN

012110751

NSN

3110012110751

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

639AS6561-10 C-B

Cage Code:

30003

Status:

MSDS:

Part Number:

E998-804-10 C-B

Cage Code:

40920

Status:

MSDS:

Part Number:

SR40405B311A-10 C-B

Cage Code:

83086

Status:

MSDS:

Part Number:

639AS6522-10 C-B

Cage Code:

30003

Status:

MSDS:

Foreign Trade & Schedule B

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

Schedule B Number: 8482105068
NAICS: 332991
SITC: 74610
Description: Ball bearings, nesoi
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 3110-01-211-0751

What are the manufacturers of nsn 3110012110751?

Naval Air Systems Command (30003)
Mpb Corporation (40920)
New Hampshire Ball Bearings, Inc. (83086)

Does this nsn 3110012110751 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3110012110751
Two single row annular ball bearings selected dimensionally to be a matched pair or set. the ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. may include a single row angular contact bearing with faces specially ground for duplex mounting.

Does nsn 3110012110751 contain any precious metals?
No precious metal content.

Does nsn 3110012110751 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3110012110751?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

30213

FIIG:

A044A0

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
Quality Inspected Parts
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