872746

View detailed technical data, stock status, and sourcing information for: 872746

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872746
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-00-442-4848
Item Name Code
00021
Assigment Date
05/23/1974 (52 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

0.9449 inches nominal overall width, 0.2166 inches nominal standout width, 2.5585 inches minimum and 2.5591 inches maximum bore diameter, 0.0400 inches nominal backface corner radius, 4.1339 inches nominal overall outside 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
0.9449 inches nominal
Bore Diameter
2.5585 inches minimum and 2.5591 inches maximum
Overall Outside Diameter
4.1339 inches nominal
Backface Corner Radius
0.0400 inches nominal
Standout Width
0.2166 inches nominal
Cone Corner Radius
0.1200 inches nominal
Cone Width
0.9035 inches minimum and 0.9055 inches maximum
Cup Width
0.7243 inches minimum and 0.7283 inches maximum
Retainer Fabrication Method
pressed
Standard Tolerance Designation
afbma class 2
Special Features
heavy duty class jlm series
Material
steel overall
Style Designator
straight bore, normal angle

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
3110-01-279-1117 No Name Available 06/01/1995

Related Parts

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2D3-290 ITEM 40 Tapered Roller Bearing
5020299-19 Tapered Roller Bearing
872746 Tapered Roller Bearing
A-35546 Tapered Roller Bearing
DS3225-8 Tapered Roller Bearing
JLM710910ANDJLM Tapered Roller Bearing
JLM710910JLM710949 Tapered Roller Bearing
JLM710910JLM710949C Tapered Roller Bearing
JLM710949/71091 Tapered Roller Bearing
JLM710949JLM710910 Tapered Roller Bearing
JLM710949XJLM71 Tapered Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-442-4848?
The FSCG of the NSN 3110-00-442-4848 is 3110
Does the NSN 3110-00-442-4848 have a Schedule B code assigned?
Yes, the Schedule B code is 8482200030
Does NSN 3110-00-442-4848 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 3110-00-442-4848 contain precious materials?
Item does not contain precious metal.
Does NSN 3110-00-442-4848 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 3110-00-442-4848 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Thu, May 23, 1974

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