Farm Equipment - Harrow Bearing

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Harrow Bearing

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=160321
Printed Date: 18 Jul 2025 at 6:32pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: Harrow Bearing

Posted By: Rogers
Subject: Harrow Bearing
Date Posted: 23 Apr 2019 at 8:15pm

I have an old AC harrow that uses the bearing 70330133. My local bearing supplier can't cross reference the bearing. Does anyone know a source for the bearing. It has a 1 inch ID with an outer diameter of 3 inches and a width of roughly 2.5 inches.

I would prefer to keep it original, but I saw a post where someone put three bearings together in the bearing holder to make a bearing. It sounds plausible. Has anyone done that before? What are the bearing numbers that you used? Even better does someone know a source for the 70330133 bearing?

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Replies:

Posted By: Alvin M
Date Posted: 24 Apr 2019 at 5:48am

I use 2 BCA 88107A bearings press old ones out install new ones

Posted By: Allis dave
Date Posted: 24 Apr 2019 at 6:13am

Those are called balpak bearings.

Look in the knowledgebase section. There is a topic about them.

Posted By: Ray
Date Posted: 24 Apr 2019 at 10:25am

I have several of those bearing used. Some dealers still have them new. (costly). 785-353-2392

Posted By: Allis dave
Date Posted: 24 Apr 2019 at 1:20pm

BY costly, he means like $300-$400. No wonder sales were so low they were discontinued 10 years ago