Tapered Roller Bearing

FF-B-187

FF-B-187
(NSN) National Stock Number
3110-00-100-4485
Federal Supply Classification
3110 Unmounted Antifriction Bearings
Item Name Code
00021
Schedule B Code
8482200030
Summary

1.2500 inches nominal bore diameter, 0.1250 inches nominal backface corner radius, 0.2500 inches nominal standout width, 0.0310 inches nominal cone corner radius, 2.8593 inches nominal cup outside diameter, afbma class 2 standard tolerance designation

DAC HCC DMIL RNCC
4 - - 4
RNVC SADC MSDS RNAAC
1 - - 9Z
Identification

A cylindrical device in which the inner cone or outer cup turns upon a single or double row of tapered hardened rollers which roll easily in a race, thus minimizing friction and designed to carry a radial load and capable of sustaining axial thrust. Excludes:bearing,roller,thrust.

INC FIIG Concept Condition
00021 A044A0 - 1
Specifications
Bore Diameter
1.2500 inches nominal
Details The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.
Backface Corner Radius
0.1250 inches nominal
Details None.
Standout Width
0.2500 inches nominal
Details None.
Cone Corner Radius
0.0310 inches nominal
Details None.
Cup Outside Diameter
2.8593 inches nominal
Details None.
Standard Tolerance Designation
afbma class 2
Details The standard tolerance designation indicating the manufactured limitations of the item as established by the various specifications and standards.
Nondefinitive Spec/Std Data
751 type
Details The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
165063-26 10001 X - 5 9 - XX
45385D 29930 6 - 5 9 - 9Z
751-03100-5400 81348 4 - 2 2 - 9Z
X39-515 01957 X - 5 1 - XX
3188-3120 60038 X - 5 1 - 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 -
RVC WCC TCC SHC
- 742 Z 9
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Manufacturer
FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
CAGE: 81348
NATL INSTITUTE STDS & TECH , MD , 20899
UNITED STATES
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FAQs
Frequently asked questions for NSN 3110-00-100-4485
What is the NIIN of the NSN 3110-00-100-4485?
The National Item Identification Number (NIIN) of the NSN 3110-00-100-4485 is 00-100-4485
When the NSN 3110-00-100-4485 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Sun, Jan 1, 1961
Does the NSN 3110-00-100-4485 contain any precious metals?
Type/content is unknown
Does the NSN 3110-00-100-4485 contain any hazardous material?
No data in HMIRS

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