U838

View detailed technical data, stock status, and sourcing information for: U838

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U838
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-00-100-4496
Item Name Code
00021
Assigment Date
01/01/1963 (63 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.

1.6250 inches nominal bore diameter, 3.1562 inches nominal overall outside diameter, 1.1563 inches nominal overall width, 0.2188 inches nominal standout width, 0.1250 inches nominal backface corner radius

Product Characteristics

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

Overall Width
1.1563 inches nominal
Bore Diameter
1.6250 inches nominal
Overall Outside Diameter
3.1562 inches nominal
Backface Corner Radius
0.1250 inches nominal
Standout Width
0.2188 inches nominal
Cone Corner Radius
0.1400 inches nominal
Cone Width
1.1965 inches nominal
Cup Width
0.9375 inches nominal
Standard Tolerance Designation
afbma class 2
Material
steel overall
Style Designator
straight bore, normal angle
Nondefinitive Spec/Std Data
751 type

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
3383-3320 Tapered Roller Bearing
6013105 Tapered Roller Bearing
U838 Tapered Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-100-4496?
The FSCG of the NSN 3110-00-100-4496 is 3110
Does the NSN 3110-00-100-4496 have a Schedule B code assigned?
Yes, the Schedule B code is 8482200030
Does NSN 3110-00-100-4496 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 3110-00-100-4496 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-100-4496 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 3110-00-100-4496 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Professional Distribution

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