Feature●Inner wheel diameter: 0.5 inches (12 mm)●Outer ring diameter: 1.1 inches (28 mm)●Width: 0.3 inches (8 mm)●Seal Shape: Synthetic rubber contacts on both sides (LLU)●Precision Rating: JIS B 1514 Grade 0●Usable temperature range: -4 to 244°F (-25 to 110°C)Description
The synthetic rubber has been shielded from both sides while contacting with synthetic rubber, making it highly resistant to dust and has a very high waterproof effect.