14978 Tapered Roller Bearing

Comprehensive specifications and application details for: 14978 Tapered Roller Bearing.

Summary

Explore detailed summary information for bearing: 14978. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
14978
Federal Supply Classification
3110 Unmounted Antifriction Bearings
(NSN) National Stock Number
3110-00-183-9946
Item Name Code
00021
Federal Item Identification Guide
A044A0
Assigment Date
01/01/1963

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.

0.5000 inches nominal cup width, 0.6875 inches nominal cone width, 0.0620 inches nominal backface corner radius, 1.6250 inches nominal bore diameter, 0.1400 inches nominal cone corner radius

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-183-9946 . Find dimensions, materials, tolerances, performance characteristics, etc.

Backface Corner Radius
0.0620 inches nominal
Bore Diameter
1.6250 inches nominal
Cone Corner Radius
0.1400 inches nominal
Cone Width
0.6875 inches nominal
Cup Width
0.5000 inches nominal
Overall Outside Diameter
2.8750 inches nominal
Overall Width
0.6562 inches nominal
Material Document And Classification
qq-s-624 fed spec 1st material response or qq-s-624 fed spec 2nd material response or qq-s-624 fed spec 3rd material response or 66 fed std 4th material response cone
Material Document And Classification
qq-s-624 fed spec 1st material response or qq-s-624 fed spec 2nd material response or qq-s-624 fed spec 3rd material response or 66 fed std 4th material response cup
Material Document And Classification
qq-s-624 fed spec 1st material response or qq-s-624 fed spec 2nd material response or qq-s-624 fed spec 3rd material response or 66 fed std 4th material response roller
Material
steel comp 4320 or steel comp 4620 or steel comp 8620 or steel comp e52100 roller
Material
steel comp 4320 or steel comp 4620 or steel comp 8620 or steel comp e52100 cone
Material
steel comp 4320 or steel comp 4620 or steel comp 8620 or steel comp e52100 cup
Material
steel retainer
Standard Tolerance Designation
afbma class 2
Standout Width
0.1562 inches nominal
Style Designator
straight bore, normal angle

Frequently Asked Questions

Find quick answers to common questions about bearing: 14978. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-183-9946?
The FSCG of the NSN 3110-00-183-9946 is 3110
Does the NSN 3110-00-183-9946 have a Schedule B code assigned?
Yes, the Schedule B code is 8482200030
Does NSN 3110-00-183-9946 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 3110-00-183-9946 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-183-9946 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 3110-00-183-9946 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Price & Availability

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