B78

Comprehensive specifications and application details for: B78 Needle Roller Bearing.

Summary

Explore detailed summary information for bearing: B78. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
B78
Federal Supply Classification
3110 Unmounted Antifriction Bearings
(NSN) National Stock Number
3110-00-227-4710
Item Name Code
00051
Federal Item Identification Guide
A044A0
Assigment Date
01/01/1963

A single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.

0.6250 inches nominal overall outside diameter, rigid alignment type, 0.5000 inches nominal overall width, 0.4375 inches nominal bore diameter, steel comp 1010 or steel comp 8615 outer ring material

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-227-4710 . Find dimensions, materials, tolerances, performance characteristics, etc.

Alignment Type
rigid
Bore Diameter
0.4375 inches nominal
Overall Outside Diameter
0.6250 inches nominal
Overall Width
0.5000 inches nominal
Material
steel comp 1010 or steel comp 8615 outer ring
Material
steel comp 1010 roller
Retainer Fabrication Method
pressed
Special Features
extra capacity outer ring also oil hole in outer race
Standard Tolerance Designation
afbma std tolerance for industrial needle bearings
Style Designator
non-separable, open end, drawn shell
Surface Finish
ground

Replaces

The NSN 3110-00-227-4710 is used in place of the following discontinued or alternate items:

NSN Name Date
3110-00-112-5827 No Name Available 12/01/1975
3110-00-120-3082 No Name Available 12/01/1975
3110-00-917-4509 No Name Available 11/08/1966
3110-01-233-3972 No Name Available 07/01/1989

Frequently Asked Questions

Find quick answers to common questions about bearing: B78. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-227-4710?
The FSCG of the NSN 3110-00-227-4710 is 3110
Does the NSN 3110-00-227-4710 have a Schedule B code assigned?
Yes, the Schedule B code is 8482400000
Does NSN 3110-00-227-4710 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 3110-00-227-4710 contain precious materials?
Item does not contain precious metal.
Does NSN 3110-00-227-4710 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 3110-00-227-4710 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963

Price & Availability

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