B-303-31D-C

Comprehensive specifications and application details for: B-303-31D-C Duplex Ball Bearing.

Summary

Explore detailed summary information for bearing: B-303-31D-C. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
B-303-31D-C
Federal Supply Classification
3110 Unmounted Antifriction Bearings
(NSN) National Stock Number
3110-01-113-8843
Item Name Code
30213
Federal Item Identification Guide
A044A0
Assigment Date
06/06/1981

Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.

ground surface finish, 0.2190 inches nominal overall width, 0.39045 inches minimum and 0.39050 inches maximum overall outside diameter, abec no. 9p standard tolerance designation, 0.24980 inches minimum and 0.24985 inches maximum bore diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-01-113-8843 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
0.24980 inches minimum and 0.24985 inches maximum
Overall Outside Diameter
0.39045 inches minimum and 0.39050 inches maximum
Overall Width
0.2190 inches nominal
Standard Tolerance Designation
abec no. 9p
Surface Finish
ground

Frequently Asked Questions

Find quick answers to common questions about bearing: B-303-31D-C. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-01-113-8843?
The FSCG of the NSN 3110-01-113-8843 is 3110
Does the NSN 3110-01-113-8843 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105068
Does NSN 3110-01-113-8843 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 3110-01-113-8843 contain precious materials?
Item does not contain precious metal.
Does NSN 3110-01-113-8843 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 3110-01-113-8843 was assigned to the Federal Catalog?
It was assigned 44 years ago, on Sat, Jun 6, 1981

Price & Availability

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