Description
The 6201 bearing is a common bearing used in various components of a 50cc scooter with a QMB139 engine, such as in the transmission, wheels, or engine. Bearings like the 6201 are essential for reducing friction and allowing smooth rotation of moving parts.
Overview of the 6201 Bearing
- Dimensions:
- Inner Diameter: 12 mm
- Outer Diameter: 32 mm
- Width: 10 mm
- Type: This is a single-row, deep-groove ball bearing, which is versatile and suitable for high-speed applications.
- Material: Typically made from high-quality steel for durability and resistance to wear and tear.
Common Applications in a 50cc QMB139 Scooter
- Transmission Components: Bearings like the 6201 are often used in the scooter’s transmission system to support the shafts and gears, reducing friction and allowing smooth rotation.
- Wheels: The 6201 bearing may also be used in the wheel hubs, enabling the wheels to spin freely and smoothly.
- Engine: Inside the engine, these bearings may be used to support rotating parts like the crankshaft or camshaft.
Installation Guide
Tools Needed
- Bearing puller or press (if removing an old bearing)
- Socket set and wrenches
- Hammer and punch (for gently tapping the bearing into place)
- Bearing grease
- Clean rags or paper towels






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