63/28 2RS is a popular sealed deep groove ball bearing with 28 mm bore size. Designed with double rubber seals, this bearing delivers high speed, low noise, excellent dustproof and waterproof performance, ideal for general machinery and motorcycle industrial applications.
Technical Dimensions
- Bore (inner diameter): 28 mm
- Outer diameter: 68 mm
- Width: 18 mm
- Structure: Single row, double side 2RS rubber sealed
- Standard grade: P0 / P6 available
Key Advantages
1. Dust & Water Resistance
Double 2RS contact seals effectively prevent dust, water and impurities from entering the bearing interior and avoid grease leakage, greatly extending service life under harsh working environments.
2. Low Noise & Smooth Operation
Precision raceway processing ensures low friction, stable rotation, low vibration and quiet running, perfectly suitable for high-speed operating equipment.
3. High Wear Resistance & Durability
Made of high-quality GCr15 bearing steel with professional heat treatment, featuring high hardness, strong anti-fatigue and wear-resistant performance, supporting long-term continuous operation.
4. Dual Load Capacity
Capable of bearing both radial load and moderate axial load, with strong structural stability and high interchangeability.
Main Applications
Widely used for motorcycle crankshaft, wheel hub, transmission parts, electric motors, water pumps, compressors, general mechanical equipment and industrial transmission systems.
Quality Guarantee
Factory direct supply, strict quality inspection. Custom precision, clearance and packaging services are available for wholesale and OEM orders.63/28 2RS is a popular sealed deep groove ball bearing with 28 mm bore size. Designed with double rubber seals, this bearing delivers high speed, low noise, excellent dustproof and waterproof performance, ideal for general machinery and motorcycle industrial applications.
