Description
Overview:
This genuine Milwaukee ball bearing (OEM No. 4931341741) is a precision replacement part for SDS Max rotary hammer drills, including the K900K and K950S. Manufactured from hardened bearing steel, it supports smooth rotation of internal moving parts under heavy loads and impact, helping the tool run efficiently and with reduced wear. The bearing minimises friction between the rotating shaft and housing, which helps maintain power delivery, reduces heat build-up, and extends service life. It is engineered for the tough conditions met in construction and demolition work, where dust, vibration, and shock are common. As a direct-fit OEM component, it offers the correct tolerances and geometry for Milwaukee housings, making it a dependable choice for routine maintenance or a like-for-like repair of compatible SDS Max drills.
Key Features:
- Genuine Milwaukee part for assured fit and function (OEM 4931341741)
- Hardened steel construction for strength and wear resistance
- Helps reduce friction, heat, and vibration inside the drill
- Supports smooth rotation of shafts and gears for consistent performance
- Designed for heavy-duty use in SDS Max rotary hammers
- Direct replacement for quick, straightforward fitting
- Aids in restoring drilling efficiency and prolonging tool life
- Suitable for both professional servicing and DIY maintenance
- Compatible with several Milwaukee SDS Max models for easy stocking
- Ideal as part of preventative maintenance to avoid costly downtime
Typical Applications:
Used during overhaul or repair of Milwaukee SDS Max drills when symptoms such as rough running, excessive noise, play in the spindle, or overheating are present. Common in gearbox or motor-end rebuilds on tools used for drilling and chiselling in concrete, masonry, and stone. Suitable for workshop servicing, on-site maintenance, and scheduled replacements to keep high-use tools reliable.
Also known as:
Milwaukee rotary hammer bearing, SDS Max drill bearing, hammer drill armature bearing, gearbox support bearing, Milwaukee 4931341741 bearing, replacement ball race for SDS Max, power tool internal bearing.
Fits Models:
K500S, K545S, K750S, K900K, K900S, K950S
Product Specifications
| L&S Part No. | MIL4931341741 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Milwaukee |
| OEM No. | 4931341741 |
| Unit of Sale | 1 |
| Machine Type | Drills |
| Fits Brands | Milwaukee |
| Key Features | - Genuine Milwaukee part for SDS Max rotary hammers - Hardened steel for strength and wear resistance - Reduces friction, heat, and vibration in drills - Direct replacement for Milwaukee K900K and K950S - Suitable for heavy-duty construction and demolition work |
| Fits Models | K900K | K950S | K900S | K545S | K500S | K750S |

