Duplex Ball Bearing

752-3989

752-3989
(NSN) National Stock Number
3110-00-787-4546
Federal Supply Classification
3110 Unmounted Antifriction Bearings
Item Name Code
30213
Schedule B Code
8482105068
Summary

Grease lubrication material, ground surface finish, pressed retainer fabrication method, 2 shield quantity, radial load direction, abec no.7 standard tolerance designation

DAC HCC DMIL RNCC
3 - - 5
RNVC SADC MSDS RNAAC
2 - - HH
Identification

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.

INC FIIG Concept Condition
30213 A044A0 - 1
Specifications
Lubrication Material
grease
Details The element compound or mixture with which the item is lubricated. please use mrc lbma as a replacement for canceled mrc.
Surface Finish
ground
Details An additional finishing process by which the surface of an item is altered in respect to polishing,grinding,and the like.
Retainer Fabrication Method
pressed
Details The means used in manufacturing the retainer.
Shield Quantity
2
Details The number of shields included on the item.
Load Direction
radial
Details The direction of load with respect to the shaft axis.
Standard Tolerance Designation
abec no.7
Details The standard tolerance designation indicating the manufactured limitations of the item as established by the various specifications and standards.
Bearing Preload Rating
2.0 pounds nominal
Details The amount of internal loading in a bearing which is independent of any external radial and/or axial load.
Special Features
pair of bearings suitable for face to face duplex mounting
Details Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.
Material
steel corrosion resisting overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
SR4SSDF2G2 70854 X - 3 2 - XX
752-3989 62143 5 - 5 9 - KZ
SR4SSDF2G2 62143 3 - 5 9 - HH
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N U - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
58860 - P -
RVC WCC TCC SHC
- 742 Z 9

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Manufacturer
LOCKHEED MARTIN CORPORATION DIV RMS
CAGE: 03538
LIVERPOOL , NY , 13088-6062
UNITED STATES
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FAQs
Frequently asked questions for NSN 3110-00-787-4546
What is the NIIN of the NSN 3110-00-787-4546?
The National Item Identification Number (NIIN) of the NSN 3110-00-787-4546 is 00-787-4546
When the NSN 3110-00-787-4546 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Mon, Jan 1, 1962
Does the NSN 3110-00-787-4546 contain any precious metals?
Type/content is unknown
Does the NSN 3110-00-787-4546 contain any hazardous material?
No data in HMIRS

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