DAS4-20B-7

Comprehensive specifications and application details for: DAS4-20B-7 Airframe Roller Bearing.

Summary

Explore detailed summary information for bearing: DAS4-20B-7. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
DAS4-20B-7
Federal Supply Classification
3110 Unmounted Antifriction Bearings
(NSN) National Stock Number
3110-00-679-4180
Item Name Code
00046
Federal Item Identification Guide
A044A0
Assigment Date
01/01/1963

A cylindrical item in which the inner or outer ring turns upon row(s) of hardened roller, bearing which roll on a raceway, thus minimizing friction. These items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. Designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. Excludes:bearing,roller,cylindrical.

0.2500 inches nominal bore diameter, contact bearing seal type, 1.1250 inches nominal inner ring width, mil-g-23827 mil spec single material response lubrication material document and classification, grease lubrication material

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-679-4180 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bearing Seal Type
contact
Bore Diameter
0.2500 inches nominal
Inner Ring Width
1.1250 inches nominal
Lubrication Material Document And Classification
mil-g-23827 mil spec single material response
Lubrication Material
grease
Outer Ring Width
0.7500 inches nominal
Overall Outside Diameter
1.2500 inches nominal
Material
glass fiber seal
Material
steel inner ring
Material
steel locking collar
Material
steel outer ring
Material
steel retainer
Material
steel roller
Material
steel sleeve
Special Features
20 deg self alignment in either direction,lubricant hole and groove in outer ring,heat treated sleeve and collars on inner ring,radial clearance 0.0002 in. to 0.0010 in.
Retainer Fabrication Method
machined
Seal Quantity
2
Style Designator
concave rollers, double closure, self aligning
Surface Treatment
cadmium all external/exposed metal surfaces

Frequently Asked Questions

Find quick answers to common questions about bearing: DAS4-20B-7. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-679-4180?
The FSCG of the NSN 3110-00-679-4180 is 3110
Does the NSN 3110-00-679-4180 have a Schedule B code assigned?
Yes, the Schedule B code is 8482800080
Does NSN 3110-00-679-4180 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 3110-00-679-4180 contain precious materials?
Item does not contain precious metal.
Does NSN 3110-00-679-4180 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 3110-00-679-4180 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963

Price & Availability

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