R20-1B1

Comprehensive specifications and application details for: R20-1B1 Annular Ball Bearing.

Summary

Explore detailed summary information for bearing: R20-1B1. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
R20-1B1
Federal Supply Classification
3110 Unmounted Antifriction Bearings
(NSN) National Stock Number
3110-00-554-2917
Item Name Code
00014
Federal Item Identification Guide
A044A0
Assigment Date
01/01/1963

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing,ball,duplex. Excludes:bearing,ball,airframe.

1.2500 inches nominal bore diameter, radial load direction, straight bore shape, standard internal fit-up designation, 2.2500 inches nominal overall outside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-554-2917 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
1.2500 inches nominal
Bore Shape
straight
Internal Fit-Up Designation
standard
Load Direction
radial
Overall Outside Diameter
2.2500 inches nominal
Overall Width
0.3750 inches nominal
Material
steel overall
Retainer Fabrication Method
pressed
Standard Tolerance Designation
abec no.1
Style Designator
non-loading groove, non-separable
Surface Finish
ground

Replaces

The NSN 3110-00-554-2917 is used in place of the following discontinued or alternate items:

NSN Name Date
3110-00-108-9354 No Name Available 06/07/1974
3110-00-155-8907 No Name Available 03/01/1979
3110-00-725-5833 No Name Available 02/20/1967
3110-00-741-6553 No Name Available 01/13/1971

Frequently Asked Questions

Find quick answers to common questions about bearing: R20-1B1. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-554-2917?
The FSCG of the NSN 3110-00-554-2917 is 3110
Does the NSN 3110-00-554-2917 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105028
Does NSN 3110-00-554-2917 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 3110-00-554-2917 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-554-2917 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 3110-00-554-2917 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963

Price & Availability

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