NA691-672D

Comprehensive specifications and application details for: NA691-672D Tapered Roller Bearing.

Summary

Explore detailed summary information for bearing: NA691-672D. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
NA691-672D
Federal Supply Classification
3110 Unmounted Antifriction Bearings
(NSN) National Stock Number
3110-00-120-1621
Item Name Code
00021
Federal Item Identification Guide
A044A0
Assigment Date
01/01/1961

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.

4.0000 inches nominal bore diameter, 2.7500 inches nominal cup width, 6.0000 inches nominal overall outside diameter, 0.0310 inches nominal backface corner radius, 0.1400 inches nominal cone corner radius

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-120-1621 . Find dimensions, materials, tolerances, performance characteristics, etc.

Backface Corner Radius
0.0310 inches nominal
Bore Diameter
4.0000 inches nominal
Cone Corner Radius
0.1400 inches nominal
Cup Width
2.7500 inches nominal
Overall Outside Diameter
6.0000 inches nominal
Overall Width
3.6250 inches nominal
Material
steel overall
Special Features
oil hole and groove in cup
Standard Tolerance Designation
afbma class 2
Standout Width
0.4375 inches nominal
Style Designator
straight bore, double cup, single cones, non-adjustable

Frequently Asked Questions

Find quick answers to common questions about bearing: NA691-672D. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-120-1621?
The FSCG of the NSN 3110-00-120-1621 is 3110
Does the NSN 3110-00-120-1621 have a Schedule B code assigned?
Yes, the Schedule B code is 8482200030
Does NSN 3110-00-120-1621 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 3110-00-120-1621 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-120-1621 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 3110-00-120-1621 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Sun, Jan 1, 1961

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