Medium
1-2 hours
This is an authentic OEM part made by original manufacturer. It is compatible with various Skil and Bosch saws. Ball bearings serve as a buffer between metal parts. They also stabilize for proper positioning/direction of moving parts. Ball bearings need frequent replacement because of their high-wear function. This steel ball bearing is sold individually. Seals, o-rings, etc. are sold separately.
Ball Bearing 5700058006
OEM part for: Skil, Bosch
Part Number: 5700058006
$5.95
Factory Backorder
Date Available: Unknown 
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Compatibility
This Ball Bearing will fit the following 110 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
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110 total model matches. Try the above search to narrow your results.
This is the official OEM part for the following brands:
- Bosch
- Skil
This item works with the following types of products:
- Circular Saw
- Drill
- Drill Press
- Electric Drill
- Grinder
- Sander
- Saw
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Ball Bearing
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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.
No grease, worn out worm gear.
Gary - January 23, 2018
👍 1 of 1 people found this instruction helpful
Tool Type
Circular Saw
Difficulty
Medium
Time
1-2 hours
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set, Torx bits
Took it apart and put it back together. Your parts diagrams really helped out a lot.
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Skilsaw would pop circuit breaker just hitting the switch
Scott - July 11, 2020
Tool Type
Circular Saw
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Socket set, Hammer
Found a youtube video. Someone else miss diagnosed the problem with the saw for it had a new trigger switch. The armature was bad as it had continuity from the winding bars to the shaft. Should be electrically isolated from each other. Replaced the armature but the saw would still trip the breaker. No schematic for the saw so back to youtube. found that the switch was miss wired. When you pull the trigger the switch makes contact side to side through the switch instead of front to back. Made the correction and saw works great.
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someone let the oil run out on a worm drive saw which destroyed the gear set and welded the bearings
Rich - February 1, 2017
Tool Type
Circular Saw
Difficulty
Easy
Time
1-2 hours
Tools Used
Screwdriver, Socket set, Torx set
I completely disassembled the saw ,all except the field . identified the parts I needed to replace and ordered online. then I cleaned the gear housing making sure to get all the gear debris out. sand blasted the gear housing the field housing the saw guards and powder coated everything .cleaned and polished the armature contacts .as soon as the parts showed up reassembled it .PUT OIL IN IT and was good to go just like new
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Armature commutator damaged by abrasive grit, have also done the replacement when the cooling fan shears off the armature
Thoms - September 8, 2016
Tool Type
Circular Saw
Difficulty
Hard
Time
1-2 hours
Tools Used
Screwdriver, Socket set, Wrench Set, Nutdriver, Adjustable Wrench, Bearing driver, armature jig (homemade), small impact driver
1. Drain oil from gearbox
2. Remove brushes
3. Remove guide plate
4. Remove large plastic plug from rear of saw
5. Remove nut behind plastic plug with impact driver while holding down while holding down saw blade stop..
6. Remove saw guide plate and front housing.
6. Press or drive armature out of gearbox brearing.
7. Install new bearing on commutator side of new armature using a simple jig to hold the armature.
8. Slide new armature into the gearbox housing.
9. Reinstall nut and carefully tighten with impact driver. This will pull the armature through the gearbox until it stops when the armature shoulder contacts the inner bearing race on the armature side of the gearbox. Take your time with this.
10. Reassemble saw.
11. Refill gearbox with oil.
12. Replace brushes.
Note: I've done this type of replacement a number of times on Skil circular saws without replacing the bearings on the gearbox side and not had any long term problems. But it is likely that Skil recommends replacing the two gearbox bearings as part of the procedure.
2. Remove brushes
3. Remove guide plate
4. Remove large plastic plug from rear of saw
5. Remove nut behind plastic plug with impact driver while holding down while holding down saw blade stop..
6. Remove saw guide plate and front housing.
6. Press or drive armature out of gearbox brearing.
7. Install new bearing on commutator side of new armature using a simple jig to hold the armature.
8. Slide new armature into the gearbox housing.
9. Reinstall nut and carefully tighten with impact driver. This will pull the armature through the gearbox until it stops when the armature shoulder contacts the inner bearing race on the armature side of the gearbox. Take your time with this.
10. Reassemble saw.
11. Refill gearbox with oil.
12. Replace brushes.
Note: I've done this type of replacement a number of times on Skil circular saws without replacing the bearings on the gearbox side and not had any long term problems. But it is likely that Skil recommends replacing the two gearbox bearings as part of the procedure.
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Thanks for voting and helping fellow customers!
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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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