Easy
15-30 minutes
Genuine OEM replacement part designed for certain Random Orbit Sanders. This item is made out of Metal and it is Sold Individually. This is the bottom Bearing Retainer that keeps the bearing in place. It is attached to the fan with 3 screws which are Sold Separately.
Bearing Retainer 603637-00
OEM part for: DeWALT, Black and Decker, Porter Cable
Part Number: 603637-00
$5.19
In Stock
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Compatibility
This part will fit the following 30 machines
DeWALT
DW420 Type 1 Random Orbit Sander View Diagrams & Manuals
DW420 Type 2 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
D26453 Type 1 Random Orbit Sander View Diagrams & Manuals
D26450 Type 1 Random Orbit Sander View Diagrams & Manuals
D26451 Type 1 Random Orbit Sander View Diagrams & Manuals
DW26451K Type 1 5 Random Orbit Sander View Diagrams & Manuals
DW26453K Type 1 5 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
D26451K (Type 1) 5 Random Orbit Sander View Diagrams & Manuals
D26453K (Type 1) 5 Random Orbit Sander View Diagrams & Manuals
D26451-AR (Type 1) 5-Inch Ro Sander Power Tool View Diagrams & Manuals
D26451-B2 (Type 1) 5-Inch Ro Sander Power Tool View Diagrams & Manuals
D26451-BR (Type 1) 5-Inch Ro Sander Power Tool View Diagrams & Manuals
DW421-AR (Type 3) Random Orbital Sander Power Tool 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
382 (Type 2) 5 Palm Grip R.O.Sander Power Tool View Diagrams & Manuals
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This item works with the following types of products:
- Sander Parts
Customer Part Reviews ?
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Easy repair
Parts arrived on time , packaged well
Guest -
October 22, 2021
Verified Purchase
Parts was exactly the ones I needed, and ordered
Good website, easy to find exactly what I needed. Will definitely use them again in the future
Elan -
December 2, 2020
Verified Purchase
everything went together fine, and am back using the sander again, thank you!
the parts went together, just as the schematic showed, working fine!
Guest -
June 23, 2020
Verified Purchase
great customer experience
I received the part faster than expected and was flawless. unfortunately, the part I ordered was incorrect but customer service helped me without hesitation. I will definitely come back to this website for future repairs.
Guest -
October 21, 2019
Verified Purchase
easy repair
easy ordering, fast service and the right part
Guest -
September 27, 2019
Verified Purchase
parts were not what I expected. They were no threaded.
ereplacementparts were very good in refunding my payment a giving me Dewalt's number to get the right ones.
Guest -
September 6, 2022
Verified Purchase
t
t
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t days ago
Verified Purchase
eReplacementParts Team
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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, bearing, and bearing housing worn out.
Andy - December 15, 2018
👍 1 of 1 people found this instruction helpful
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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Sander was chewing up brakes
Christopher - January 20, 2022
Tool Type
Sander
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, C clamp
Removed the hook and loop pad retainer
Unscrewed the center screw for bearing
Pressed new bearing into both sides of new retainer using c clamp
Screwed bearing retainer together. Note: bearing retainer screw holes are unthreaded, you cut threads in them when you screw the screws in.
Screwed bearing back onto shaft
Put brake and pad retainer back on
Unscrewed the center screw for bearing
Pressed new bearing into both sides of new retainer using c clamp
Screwed bearing retainer together. Note: bearing retainer screw holes are unthreaded, you cut threads in them when you screw the screws in.
Screwed bearing back onto shaft
Put brake and pad retainer back on
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Orbital palm sander motor runs, pad does not move.
Ron - November 24, 2021
Tool Type
Sander
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Socket set, Wrench Set
Parts Used
1. watched several u tube videos on how to fix
2. removed sanding pad to confirm accessibility of parts needed then ordered parts
3. removed and replaced bearing and retainer
4. redid *3 because screw holes on bearing retainer halves did not line up exactly
5. reassembled and tested. checks ok
2. removed sanding pad to confirm accessibility of parts needed then ordered parts
3. removed and replaced bearing and retainer
4. redid *3 because screw holes on bearing retainer halves did not line up exactly
5. reassembled and tested. checks ok
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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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orbit bearing and case went bad
alan - May 18, 2019
Tool Type
Sander
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
ordered parts from you and replaced them
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bad bearing
Bobby - April 8, 2019
Tool Type
Sander
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Pliers
Parts Used
replace bearing
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Sanding pad was worn out and the bearing retainers were broken
William - October 2, 2018
Tool Type
Sander
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Nutdriver
Replaced all broken and worn parts
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Sanding pad retaining screws were stripped from bearing housing
Allen - July 29, 2018
Tool Type
Sander
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver
1. Removed bearing screw.
2. Replaced new bearing housing .
3. Screwed new pad onto bearing housing.
2. Replaced new bearing housing .
3. Screwed new pad onto bearing housing.
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Self tapping screw came loose and stripped out
Bob - June 29, 2018
Tool Type
Sander
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Torx head bit
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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.
