Annular Ball Bearing

I70831

I70831
(NSN) National Stock Number
3110-00-157-1956
Federal Supply Classification
3110 Unmounted Antifriction Bearings
Item Name Code
00014
Schedule B Code
8482105028
Summary

0.2500 inches nominal overall width, 0.5000 inches nominal bore diameter, 1.1250 inches nominal overall outside diameter, ground surface finish, pressed retainer fabrication method, radial load direction

DAC HCC DMIL RNCC
X - - 3
RNVC SADC MSDS RNAAC
2 - - XX
Identification

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing,ball,duplex. Excludes:bearing,ball,airframe.

INC FIIG Concept Condition
00014 A044A0 - 1
Specifications
Overall Width
0.2500 inches nominal
Details An overall measurement taken at right angles to the length of an item,in distinction from thickness.
Bore Diameter
0.5000 inches nominal
Details The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.
Overall Outside Diameter
1.1250 inches nominal
Details The overall length of a straight line which passes through the center of an item,and terminates at the outside circumference.
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.
Load Direction
radial
Details The direction of load with respect to the shaft axis.
Bore Shape
straight
Details The physical configuration of the bore.
Internal Clearance
0.0030 inches minimum axial and 0.0040 inches maximum axial
Details The clearance between the bearing rings and the rolling elements.
Standard Tolerance Designation
abec no.1
Details The standard tolerance designation indicating the manufactured limitations of the item as established by the various specifications and standards.
Material
steel corrosion resisting ball
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material
steel inner ring
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material
steel outer ring
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material
steel retainer
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Style Designator
non-loading groove, non-separable
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
I70831Y 52676 X - 3 2 - XX
M371 74061 X - 5 9 - XX
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 P
RVC WCC TCC SHC
1 742 Z 9

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Manufacturer
SKF USA INC.
CAGE: 52676
BLUE BELL , PA , 19422-1961
UNITED STATES
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FAQs
Frequently asked questions for NSN 3110-00-157-1956
What is the NIIN of the NSN 3110-00-157-1956?
The National Item Identification Number (NIIN) of the NSN 3110-00-157-1956 is 00-157-1956
When the NSN 3110-00-157-1956 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 3110-00-157-1956 contain any precious metals?
Type/content is unknown
Does the NSN 3110-00-157-1956 contain any hazardous material?
No data in HMIRS

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