Medium
15-30 minutes
This item is an authentic, OEM sourced replacement part that is intended to be used with random orbital sanders from DeWalt, Black & Decker, and Porter Cable. The retainer is used to support the bearing between the fan and the sanding pad. This item is available as an individual replacement part.
Retainer ( Includes Self Tappi 286181-00
OEM part for: DeWALT, Black and Decker, Porter Cable
Part Number: 286181-00
$4.99
In Stock
Ships within 1 business day 
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Compatibility
This part will fit the following 17 machines
DeWALT
DW420 Type 1 Random Orbit Sander View Diagrams & Manuals
DW421 Type 1 Random Orbit Sander View Diagrams & Manuals
DW421 Type 2 Random Orbit Sander View Diagrams & Manuals
DW422 Type 1 EVS Random Orbit Palm Sander View Diagrams & Manuals
DW423 Type 1 5 inch EVS Random Orbit Sander View Diagrams & Manuals
DW423 Type 2 5 inch EVS Random Orbit Sander View Diagrams & Manuals
DW421K (Type 1) 5 R.O.S in Kitbox View Diagrams & Manuals
DW421K (Type 2) 5 R.O.S in Kitbox View Diagrams & Manuals
DW423K (Type 1) 5in Evs Ro Sander Kit View Diagrams & Manuals
DW423K (Type 2) 5in Evs Ro Sander Kit View Diagrams & Manuals
DW421-B2 (Type 1) Random Orbital Sander Power Tool View Diagrams & Manuals
DW421-B3 (Type 1) Random Orbital Sander Power Tool View Diagrams & Manuals
Black and Decker
2771 Type 1 5 Random Orbit Palm Sander View Diagrams & Manuals
27708 Type 1 5 Random Orbit Sander With EVS View Diagrams & Manuals
27707 Type 1 5 Random Orbit Sander View Diagrams & Manuals
25708 Type 1 5 Variable Speed Orbital Sander View Diagrams & Manuals
Porter Cable
382 Type 1 5 Palm Grip R.O. Sander View Diagrams & Manuals
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This item works with the following types of products:
- Sander Parts
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easy fix
fit perfectly ,sanding like new
Guest -
July 18, 2023
Verified Purchase
The best resource I have found for repair parts .
great .
Guest -
April 6, 2023
Verified Purchase
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Does this fit my product?Questions & Answers for Retainer ( Includes Self Tappi
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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.
Self tapping screw came loose and stripped out
Bob - June 29, 2018
👍 2 of 2 people found this instruction helpful
Tool Type
Sander
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Torx head bit
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Existing retainer screws were stripped
Eric - May 2, 2018
👍 2 of 2 people found this instruction helpful
Tool Type
Sander
Difficulty
Medium
Time
Less than 15 minutes
Tools Used
Screwdriver, Torx driver
Parts Used
Replaced part. Only recommendation is to put a little oil on the new screws and pre screw them into the part to thread them properly before reassembling the retainer and bearing holder. The "self tapping" was easier once I lubricated the screws and could be sure I was tapping them straight.
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I couldn’t get the self tapping screws to thread. I had to tap it myself. That worked very well. Everything went fine after that
Daniel - February 1, 2024
Tool Type
Sander
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Power Drill
Parts Used
Everything went well after I tapped my own new holes. It almost seemed that the screws were too large for the pre-existing holes in the retainer. I was afraid that it was going to split the retainer holes so I used a tap and then used your screws which worked well, after that, the retainer made my sander a new machine
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Bearing retainer screw worked it self loose and stripped out
steve - July 30, 2020
Tool Type
Sander
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver
Removed sander housing and pad to access bearing and retainer. Read other people’s experiences changing this part(very helpful). Carefully started self tapping screws and used a little thread cutting oil. Went together very smoothly
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Screw holes were stripped and could not mount replacement sander pad.
Stephen - December 9, 2019
Tool Type
Sander
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Socket set
1. Removed the old bearing retainer and retainer that the sanding pad attaches to.
2. Tapped the press-fit bearing out of the retainer using a wrench socket of the right size.
3. Tapped the bearing into the new retainer.
4. Attached the new retainer and bearing retainer to the sander.
5. Attached the replacement sander pad. Sander is now just like new.
2. Tapped the press-fit bearing out of the retainer using a wrench socket of the right size.
3. Tapped the bearing into the new retainer.
4. Attached the new retainer and bearing retainer to the sander.
5. Attached the replacement sander pad. Sander is now just like new.
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retainer failed
larry - April 1, 2019
Tool Type
Sander
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, press
removed old retainer and bearing. pressed new bearing into retainers. installed new assembly, good as new.
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Sanding pad, bearing, and bearing housing worn out.
Andy - December 15, 2018
Tool Type
Sander
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Wrench Set, None
1) remove three star drive screws attaching the sanding sanding pad to the bearing holder and remove the pad
2) remove the star drive screw and washer that holds the bearing housing to the motor shaft. If required, keep the shaft from turning by placing a screwdriver into the fan assembly via the dust port.
3) remove the bearing housing and bearing from the shaft. If reusing the housing, gently pry the two halves apart to remove the bearing.
4) place the new bearing in the housing, being careful to align the screw holes. Gently tap the bearing housing together, ensuring the halves close evenly.
5) reassemble in reverse order.
2) remove the star drive screw and washer that holds the bearing housing to the motor shaft. If required, keep the shaft from turning by placing a screwdriver into the fan assembly via the dust port.
3) remove the bearing housing and bearing from the shaft. If reusing the housing, gently pry the two halves apart to remove the bearing.
4) place the new bearing in the housing, being careful to align the screw holes. Gently tap the bearing housing together, ensuring the halves close evenly.
5) reassemble in reverse order.
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Bearing retainer screw holes stripped.
John - November 11, 2017
Tool Type
Sander
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Impact driver, dowel, mallet, wood blocks
1. Removed three self tapping screws.
2. Bearing was firmly seated in retainer.
3. Drove out bearing by supporting retainer with blocks of wood and driving bearing with dowel and wood mallet.
4. Reassembled - needed to use impact driver because the self tapping screws are very difficult to drive in the new retainer. (I ended up driving the screws into the retainer before assembling, removing the screws, and then assembling the unit.)
2. Bearing was firmly seated in retainer.
3. Drove out bearing by supporting retainer with blocks of wood and driving bearing with dowel and wood mallet.
4. Reassembled - needed to use impact driver because the self tapping screws are very difficult to drive in the new retainer. (I ended up driving the screws into the retainer before assembling, removing the screws, and then assembling the unit.)
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Screws holding sander pad became loose causing pad to give way
Jay - September 13, 2017
Tool Type
Sander
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver
1. Replace retainer
2. Replace bearing retainer
3. Replace pad
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Making unusual noise
Robert - July 16, 2017
Tool Type
Sander
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Punch to install new bearing
Removed and replaced retainers and bearings
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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.
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