Inner Bearing Ring

6F1531

6F1531
(NSN) National Stock Number
3110-00-227-2165
Federal Supply Classification
3110 Unmounted Antifriction Bearings
Item Name Code
00028
Schedule B Code
8482991010
Summary

3.0150 inches minimum and 3.0200 inches maximum overall width, 3.2171 inches minimum and 3.2718 inches maximum bore diameter, 3.8730 inches minimum and 3.8737 inches maximum overall outside diameter, ground surface finish, straight bore shape, oil hole and groove in race,chamfer on bore and od corners,id must be concentric w/od within 0.0020 in. total indicator reading special features

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

The inner component of a ball or roller bearing which provides a contact surface for the rolling elements of an antifriction bearing.

INC FIIG Concept Condition
00028 A044A0 - 1
Specifications
Overall Width
3.0150 inches minimum and 3.0200 inches maximum
Details An overall measurement taken at right angles to the length of an item,in distinction from thickness.
Bore Diameter
3.2171 inches minimum and 3.2718 inches maximum
Details The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.
Overall Outside Diameter
3.8730 inches minimum and 3.8737 inches maximum
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.
Bore Shape
straight
Details The physical configuration of the bore.
Special Features
oil hole and groove in race,chamfer on bore and od corners,id must be concentric w/od within 0.0020 in. total indicator reading
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 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Style Designator
solid inner race, with bore chamfer, journal and needle
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A - -
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
CATERPILLAR INC DIV CATERPILLAR DEFENSE
CAGE: 11083
IRVING , TX , 75039-3712
UNITED STATES
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FAQs
Frequently asked questions for NSN 3110-00-227-2165
What is the NIIN of the NSN 3110-00-227-2165?
The National Item Identification Number (NIIN) of the NSN 3110-00-227-2165 is 00-227-2165
When the NSN 3110-00-227-2165 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Sun, Jan 1, 1961
Does the NSN 3110-00-227-2165 contain any precious metals?
Does not contain precious metal
Does the NSN 3110-00-227-2165 contain any hazardous material?
No data in HMIRS

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