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It is a genuine high quality replacement part that is sourced directly from original equipment manufacturer for use with Bosch and Skil saws. This is the ball bearing for the worm gear set, please refer to appropriate diagram of your equipment for correct location and application of this item. Over time due to regular wear from heat and pressure a bearing may wear out and begin to fail eventually requiring replacement. It is a closed side metal bearing that is sold individually.
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We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
someone let the oil run out on a worm drive saw which destroyed the gear set and welded the bearings
Rich from Los Angeles, California
No grease, worn out worm gear.
Gary from Watauga, Tennessee
| Brand | Model Number | Description |
|---|---|---|
| Skil | 5860-78 | Miscellaneous |
| Skil | HD77M-22 | Saw - Skil Hd77m-22-(F012hm7702) Parts |
| Skil | SHD77-02 | Saw - Skil Shd77-02 Parts |
| Skil | SHD77M-02 | Saw - Skil Shd77m-02 Parts |
| Skil | SHD77M-72 | Saw - Skil Shd77m-72 Parts |
| Skil | SPT70V-11 | Saw - Saw 16-5/16 In. Magnesium Super Quatch Worm Drive Saw |
| Skil | SPT70WM-01 | Saw - Saw 10-1/4 In. Magnesium Quatch Worm Drive Saw; Saw Blade |
| Skil | SPT70WM-22 | Circular Saw - 10-1/4 In. Magnesium Worm Drive Skilsaw |
| Skil | SPT70WM-71 | Circular Saw - 10-1/4 In. Magnesium Worm Drive Skil With Twist Lock |
| Skil | SPT70WM-72 | Circular Saw - 10-1/4 In. Magnesium Worm Drive Skilsaw |
| Skil | SPT70WT-01 | Table Saw - Table Saw Dado Insert |
| Skil | SPT70WT-22 | Table Saw - Table Saw Dado Insert |
| Skil | SPT70WT-MOTOR-UNIT | Saw - Skil Spt70wt-Motor-Unit Parts |
| Skil | SPT77W-01 | Saw - Saw 7-1/4 In. Worm Drive Saw; Sawblade |
| Skil | SPT77W-22 | Saw - Saw 7-1/4 In. Worm Drive Saw |
| Skil | SPT77W-71 | Circular Saw - 7-1/4 In. Worm Drive Skil With Twist Lock Plug |
| Skil | SPT77W-72 | Circular Saw |
| Skil | SPT77WM-22 | Saw - Saw 7-1/4 In. Magnesium Worm Drive Saw |
| Skil | SPT77WML-01 | Saw - Saw 7-1/4 In. Lightweight Worm Drive Saw |
| Skil | SPT77WML-22 | Saw - Saw 7-1/4 In. Lightweight Magnesium Worm Drive Saw |
| Skil | SPT77WML-71 | Circular Saw - 7-1/4 In. Lightweight Worm Drive Skil With Twist Lock Plug |
| Skil | SPT77WML-72 | Saw - Saw 7-1/4 In. Lightweight Worm Drive Saw With Twist Lock Plug |
| Skil | SPT78MMC-01 | Saw - Saw 8 In. Outlaw Worm Drive For Metal; Sawblade |
| Skil | SPT78MMC-22 | Circular Saw - 8 In. Worm Drive Skilsaw For Metal |
| Skil | SPT78W-01 | Circular Saw - 8-1/4 In. Worm Drive Skilsaw |
| Skil | SPT78W-22 | Circular Saw - Worm Drive Skilsaw |
| Skil | SPT79-00 | Saw - Saw 7 In. Medusaw Worm Drive For Concrete |
| Skil | SPT79A-10 | Saw - Saw 7 In. Medusaw Walk Behind Worm Drive For Concrete |
| Skil | SPT99-11 | Table Saw - Saw 10 In. Heavy Duty Worm Drive Table Saw With Stand; Sawblade |
| Skil | SPT99-12 | Table Saw - Saw 10 In. Heavy Duty Worm Drive Table Saw With Stand |
Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.
