Thrust Roller Bearing

251W

251W
(NSN) National Stock Number
3110-00-117-0777
Federal Supply Classification
3110 Unmounted Antifriction Bearings
Item Name Code
00020
Schedule B Code
8482800080
Summary

1.0575 inches minimum and 1.0675 inches maximum overall height, 2.5080 inches minimum and 2.5120 inches maximum bore diameter, 4.3750 inches minimum and 4.3800 inches maximum overall outside diameter, ground surface finish, rigid alignment type, single thrust directional capability designation

DAC HCC DMIL RNCC
X - - 5
RNVC SADC MSDS RNAAC
1 - - XX
Identification

An antifriction bearing having a roller rolling element, designed to resist axial thrust, or to support an axial load.

INC FIIG Concept Condition
00020 A044A0 - 1
Specifications
Overall Height
1.0575 inches minimum and 1.0675 inches maximum
Details The distance measured in a straight line from the bottom to the top of an item.
Bore Diameter
2.5080 inches minimum and 2.5120 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
4.3750 inches minimum and 4.3800 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.
Alignment Type
rigid
Details Indicates the type of alignment utilized whereby the item will adjust axially for misalignment.
Thrust Directional Capability Designation
single
Details A designation of the directional operating capability of the item.
Special Features
w/oil hole in band also radius at obre chamfer 1/32 in. by 45 deg
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
tapered rollers, banded od
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
T251W 03533 5 - 5 9 - XX
T251W 60038 X - 3 2 - XX
4438 99557 5 - 3 2 - ZZ
370191968 70885 X - 5 9 - XX
5555785 55102 5 - 3 2 - KZ
T251W 55102 5 - 5 9 - KZ
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
THE TIMKEN CORPORATION
CAGE: 60038
NORTH CANTON , OH , 44720-5450
UNITED STATES
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FAQs
Frequently asked questions for NSN 3110-00-117-0777
What is the NIIN of the NSN 3110-00-117-0777?
The National Item Identification Number (NIIN) of the NSN 3110-00-117-0777 is 00-117-0777
When the NSN 3110-00-117-0777 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Sun, Jan 1, 1961
Does the NSN 3110-00-117-0777 contain any precious metals?
Does not contain precious metal
Does the NSN 3110-00-117-0777 contain any hazardous material?
No data in HMIRS

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