U1921

View detailed technical data, stock status, and sourcing information for: U1921

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U1921
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-00-948-5796
Item Name Code
00015
Assigment Date
04/13/1966 (60 years ago)

105.00 millimeters nominal bore diameter, pressed retainer fabrication method, straight bore shape, 20.00 millimeters nominal overall width, ground surface finish

Product Characteristics

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

Overall Width
20.00 millimeters nominal
Bore Diameter
105.00 millimeters nominal
Surface Finish
ground
Retainer Fabrication Method
pressed
Bore Shape
straight
Locating Feature
nonlocating
Internal Fit-Up Designation
standard
Standard Tolerance Designation
rbec no.1
Special Features
no outer ring,5.3040 in. outside rollers working dia
Material
steel overall

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
1M5513 Cylindrical Roller Bearing
BU1921 Cylindrical Roller Bearing
MU1921L Cylindrical Roller Bearing
U1921 Cylindrical Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-948-5796?
The FSCG of the NSN 3110-00-948-5796 is 3110
Does the NSN 3110-00-948-5796 have a Schedule B code assigned?
Yes, the Schedule B code is 8482500000
Does NSN 3110-00-948-5796 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 3110-00-948-5796 contain precious materials?
Item does not contain precious metal.
Does NSN 3110-00-948-5796 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 3110-00-948-5796 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Wed, Apr 13, 1966

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