Description
Overview:
Bearing Box Cover for Makita random orbit sanders. This genuine Makita replacement part protects the bearing assembly and adjacent drivetrain from dust, grit, and impacts, helping the sander run smoothly and with low vibration. It is a robust, die‐cast metal cover in a silver/grey finish with precise factory machining for a secure, leak‐free fit. Designed specifically for Makita palm sanders such as the BO5030 and BO5031, it restores the original alignment of the motor, spindle and pad, supporting consistent finish quality on timber, paint and composites. Suitable for 125 mm (5 in) class random orbit sanders. OEM No. 318303-1 for accurate identification.
Key Features:
- Genuine Makita part for assured fit and performance
- OEM No. 318303-1 for quick, precise identification
- Durable die‐cast metal body resists wear, knocks and heat
- Shields bearings and internal components from dust and debris
- Helps maintain low vibration and smooth pad rotation
- Manufactured to original tolerances for correct alignment and sealing
- Straightforward replacement with standard hand tools to minimise downtime
- Compatible with multiple 125 mm (5 in) Makita sanders used on site and in workshops
- Supports long service life of bearings by reducing contamination
- Reliable choice for preventative maintenance and repairs
Typical Applications:
Replacing cracked, worn or impact‐damaged bearing box covers on Makita random orbit sanders used for woodworking, site carpentry, joinery, paint preparation, cabinetry, and general DIY. Ideal when vibration increases, grinding noises appear, or dust ingress is suspected, to restore smooth operation and protect the bearing set.
Also known as:
Bearing housing cover, gear case cover, sander bearing box lid, motor end cover, orbital sander casing cover, protective bearing cap.
Fits Models:
BBO140, BBO180, BO5030, BO5031, BO5040, BO5041, DBO140, DBO140RFE, DBO140z, DBO180, DBO180RFE, DBO180RMJ, DBO180Z, M9204, MT924
Alternate Part Numbers:
3183031
Product Specifications
| L&S Part No. | 318303-1 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Makita |
| OEM No. | 318303-1 |
| 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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