Description
Overview:
This Bearing Box is a genuine Makita replacement part for random orbit sanders, designed to restore smooth, low‐vibration running. It forms the rigid housing that supports the sander's main spindle and bearings, keeping the pad rotating true under load. Built from robust cast metal with precise machining, it withstands continuous use and abrasive dust typical of sanding tasks. As an OEM component (318304-9), it offers the correct fit and alignment for reliable performance and long service life. Ideal for routine maintenance or repair when the original housing is worn or damaged, it helps prevent play, noise, and premature bearing wear. Suitable for popular models including BO5030 and BO5031, as well as other Makita cordless and mains random orbit sanders listed below.
Key Features:
- Genuine Makita part (OEM 318304-9) for assured compatibility and reliability
- Durable cast‐metal housing engineered for strength, accuracy, and heat stability
- Restores smooth rotation and reduces vibration for consistent sanding results
- Factory-correct dimensions and mounting points for a straightforward fit
- Helps prevent premature bearing and pad wear, extending tool life
- Suitable for regular service replacement to maintain peak performance
- Resistant to workshop dust and debris typical of timber, paint, and filler sanding
- Supports efficient operation across both corded and cordless Makita sanders
Typical Applications:
Used when refurbishing or servicing Makita random orbit sanders that show housing wear, spindle play, excess noise, or heat. Suitable for workshop and on‐site sanding of timber, sheet goods, paint and varnish removal, surface preparation, and finishing tasks in carpentry, joinery, construction, and maintenance work.
Also known as:
Bearing housing, sander bearing case, orbit sander spindle housing, bearing carrier, housing block for random orbit sander.
Fits Models:
BBO140, BBO180, BO5030, BO5031, BO5040, BO5041, DBO140, DBO140RFE, DBO140z, DBO180, DBO180RFE, DBO180RMJ, DBO180Z, M9204, MT924
Alternate Part Numbers:
318304 9, 3183049
Product Specifications
| L&S Part No. | 318304-9 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Makita |
| OEM No. | 318304-9 |
| Unit of Sale | 1 |
| Applications | BBO140, BBO180, BO5030, BO5031, BO5040, BO5041, DBO140, DBO140RFE, DBO140z, DBO180, DBO180RFE, DBO180RMJ, DBO180Z, M9204, MT924 |
| Machine Type | Sanders |
| Fits Brands | Makita |
| Fits Models | DBO140z | DBO180RMJ | DBO180Z | DBO140RFE | DBO180RFE | BBO140 | BBO180 | BO5030 | BO5031 | BO5040 | BO5041 | M9204 | MT924 |
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