NA691-672D

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NA691-672D
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-00-120-1621
Item Name Code
00021
Assigment Date
01/01/1961 (65 years ago)

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.

0.0310 inches nominal backface corner radius, 3.6250 inches nominal overall width, 0.4375 inches nominal standout width, 6.0000 inches nominal overall outside diameter, 4.0000 inches nominal bore diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

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

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
25Z228 Tapered Roller Bearing
35040 Tapered Roller Bearing
D26640PC71 Tapered Roller Bearing
NA691-672D Tapered Roller Bearing
NA691-99401 Tapered Roller Bearing
NA691672D Tapered Roller Bearing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

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 65 years ago, on Sun, Jan 1, 1961

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