Easy
15-30 minutes
The spindle and bearing assembly goes between the eccentric hsg and the sander pad. It is made of metal and is sold individually. This part is an OEM from Porter Cable for use in sanders and polishers. A screwdriver and a set of pliers may be helpful when replacing this item. Over time this part may break and will need to be replaced.
Spindle And Brng Assembly 872991
OEM part for: Porter Cable
Part Number: 872991
$74.24
In Stock
Ships within 1 business day 
Compatibility
This Spindle And Brng Assembly will fit the following 31 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Porter Cable
Show More Compatible ModelsThis item works with the following types of products:
- Sander Parts
- Polisher Parts
Repair Videos ?
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Spindle And Brng Assembly
Customer Part Reviews ?
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Revitalized an old favorite tool, like new again!
A little pricey but worth every penny!
Guest -
August 15, 2023
Verified Purchase
quick and easy repair
new part,great service,fast delivery. What more can a guy ask for, thank you very much !!
Guest -
March 28, 2023
Verified Purchase
Easy part description nice process
Part for my sander was a easy install wish I knew about web site earlier was without the sander for a year. Saved website for any other parts I will need .
Guest -
July 17, 2019
Verified Purchase
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Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
sanding pad with shaft came out of machine
David - December 8, 2022
Tool Type
Sander
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Wrench Set
Parts Used
Lowered dust collector cowling.
Removed counter weights
Removed old bearings
Installed new bearing/shaft assembly
Threaded on sanding pad
Re-positioned dust collector cowling
Removed counter weights
Removed old bearings
Installed new bearing/shaft assembly
Threaded on sanding pad
Re-positioned dust collector cowling
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The sanding pad was wobbly making a horrible vibration.
Matthew - December 30, 2016
Tool Type
Sander
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Pliers, Vise and hammer.
Parts Used
1. Removed sanding pad
2. Removed oscillation weight/bearing retainer
3. Held spindle nut with vise grips and tapped on vise grips with hammer to remove spindle bearing.
4. Hand pressed new bearing in and re-assembled.
2. Removed oscillation weight/bearing retainer
3. Held spindle nut with vise grips and tapped on vise grips with hammer to remove spindle bearing.
4. Hand pressed new bearing in and re-assembled.
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Thanks for voting and helping fellow customers!
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Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
