749A-742 CLASS 0 PRECISION

Comprehensive specifications and application details for: 749A-742 CLASS 0 PRECISION Tapered Roller Bearing.

Summary

Explore detailed summary information for bearing: 749A-742 CLASS 0 PRECISION. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
749A-742 CLASS 0 PRECISION
Federal Supply Classification
3110 Unmounted Antifriction Bearings
(NSN) National Stock Number
3110-00-757-2392
Item Name Code
00021
Federal Item Identification Guide
A044A0
Assigment Date
01/01/1962

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.

3.2500 inches nominal bore diameter, 0.1250 inches nominal backface corner radius, 1.8375 inches nominal cone width, 0.1400 inches nominal cone corner radius, 1.4375 inches nominal cup width

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-757-2392 . Find dimensions, materials, tolerances, performance characteristics, etc.

Backface Corner Radius
0.1250 inches nominal
Bore Diameter
3.2500 inches nominal
Cone Corner Radius
0.1400 inches nominal
Cone Width
1.8375 inches nominal
Cup Width
1.4375 inches nominal
Overall Outside Diameter
5.9090 inches nominal
Overall Width
1.7500 inches nominal
Material
steel overall
Retainer Fabrication Method
pressed
Standard Tolerance Designation
afbma class 0
Standout Width
0.3125 inches nominal
Style Designator
straight bore, normal angle

Replaces

The NSN 3110-00-757-2392 is used in place of the following discontinued or alternate items:

NSN Name Date
3110-00-757-2391 No Name Available 09/24/1969

Frequently Asked Questions

Find quick answers to common questions about bearing: 749A-742 CLASS 0 PRECISION. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-757-2392?
The FSCG of the NSN 3110-00-757-2392 is 3110
Does the NSN 3110-00-757-2392 have a Schedule B code assigned?
Yes, the Schedule B code is 8482200030
Does NSN 3110-00-757-2392 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 3110-00-757-2392 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-757-2392 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 3110-00-757-2392 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Mon, Jan 1, 1962

Price & Availability

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