Railway Preservation News

Hyatt Hy-Roll bearings
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Author:  Dale Grice [ Fri Aug 30, 2019 11:01 am ]
Post subject:  Hyatt Hy-Roll bearings

Hi all,

Anyone know if Hyatt Hy-Roll bearings, has the grease fitting in the center, are a FRA no-no?



Author:  Kelly Anderson [ Fri Aug 30, 2019 11:41 am ]
Post subject:  Re: Hyatt Hy-Roll bearings

I'll start with I don't know.

That being said, I wouldn't see the FRA having any issue with any "name brand, designed for railroads" bearing that was in good condition. The issue would come from interchanging to a railroad that is paranoid about running anything that isn't an AP rotating end cap bearing.

Author:  David Johnston [ Fri Aug 30, 2019 3:07 pm ]
Post subject:  Re: Hyatt Hy-Roll bearings

The Hyatt Hy-Roll bearings (AAR 2) are in included in rule 90 and are prohibited in interchange by AAR. They are also listed in appendix A of 49CFR215 and are restricted by FRA. They can not be moved without FRA waver and authority.

Author:  TrainDetainer [ Sat Aug 31, 2019 12:57 pm ]
Post subject:  Re: Hyatt Hy-Roll bearings

OP doesn't state use, but as info 49CFR215 only applies to freight cars. IDK the wording of Rule 90 regarding passenger applicability.

Author:  Dale Grice [ Mon Sep 09, 2019 12:55 pm ]
Post subject:  Re: Hyatt Hy-Roll bearings

Thanks for the quick definitive answer.

As info, they were on a gon, in passenger service. How the lines blur.

They have been changed out.


Author:  jayrod [ Mon Sep 09, 2019 9:35 pm ]
Post subject:  Re: Hyatt Hy-Roll bearings

I haven't had to pay attention to this for the last five years, but seems to me that AAR S-4045 covers lubrication of passenger car bearings for tourist roads and the like. Our cars had Hyatt oil bearings and rolled over several different roads out on lease. They were always inspected by a transporting railroad's car department and sometimes along with them came an FRA inspector prior to being picked up. Never had a problem. Of course, they never rolled over CSX or UP....

Author:  David Johnston [ Tue Sep 10, 2019 2:58 pm ]
Post subject:  Re: Hyatt Hy-Roll bearings

Dale, the line is not blurred in the eyes of the FRA. Their position, as emphasized at the ARM conference seminar held at Baltimore several years ago, is that if it was built as a freight car it is always a freight car. This includes cabooses.

Author:  jayrod [ Tue Sep 10, 2019 6:00 pm ]
Post subject:  Re: Hyatt Hy-Roll bearings

That is good to know.

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