Duplex Ball Bearing NSN 3110-01-253-2187

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: 3110-01-253-2187

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Features and Characteristics

Overall Width

Between 0.3700 inches and 0.3800 inches

Bore Diameter

Between 2.8748 inches and 2.8750 inches

Overall Outside Diameter

Between 3.2498 inches and 3.2500 inches

Lubrication Material

Lubricant, dry film

End Application

Combat talon ii

Surface Finish

Ground

Load Direction

Radial

Standard Tolerance Designation

Abec no.5

Bearing Preload Rating

Between 0.5 pounds and 10.0 pounds

Contact Angle

25.0 degrees

Lubrication Material Specification

Mil-g-21164 military specification single material response

Material

Steel

Material Specification

Qq-s-763 federal specification single material response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Style Designator

92b counterbored outer rings, non-separable, back to back mounting

FSC

3110 Unmounted Antifriction Bearings

NIIN

012532187

NSN

3110012532187

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

3TAR46-52-1

Cage Code:

40920

Status:

MSDS:

Part Number:

T660

Cage Code:

40920

Status:

MSDS:

Part Number:

13534201

Cage Code:

6S483

Status:

MSDS:

Part Number:

2690054-1

Cage Code:

96214

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 3110-01-253-2187

What are the manufacturers of nsn 3110012532187?

Does this nsn 3110012532187 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3110012532187
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 3110012532187 contain any precious metals?
No precious metal content.

Does nsn 3110012532187 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3110012532187?
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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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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