Feature Highlights: 1. Dual-Sealed Protection – Equipped with 2RS seals on both sides, effectively preventing dust and moisture ingress while extending bearing service life. 2. Self-Lubricated Design – Pre-filled with high-quality grease, ensuring smooth operation with minimal maintenance and reduced friction. 3. Precision Engineering – Manufactured from high-grade bearing steel, offering reliable durability and stable performance under various load conditions. 4. Compact & Versatile – With dimensions of 17x30x7 mm, this thin-section deep groove ball bearing is ideal for space-constrained applications. 5. Multi-Scenario Compatibility – Suitable for industrial machinery, electric motors, automotive components, and DIY projects requiring smooth rotational motion. Product Details: This 6903 deep groove ball bearing features a double-sealed (2RS) closure and comes pre-lubricated with grease for long-lasting, low-noise operation. Made from durable bearing steel, it ensures high radial load capacity and consistent performance. The compact 17x30x7 mm design allows easy integration into assemblies where space is limited. Ideal for use in conveyors, fans, small tools, and other mechanical systems requiring reliable rotation support. Specifications: - Model: 6903-2RS / 6903RS / 61903 - Type: Deep Groove Ball Bearing - Dimensions: 17 mm (Inner Diameter) × 30 mm (Outer Diameter) × 7 mm (Width) - Material: Bearing Steel - Closure: 2RS Rubber Seals - Lubrication: Grease (Self-Lubricated) - Precision Grade: ABEC-1 - Color: Silver - Package Contents: 10 × Bearings Note: Package includes only the bearings listed above. Slight color variations may occur due to lighting and monitor differences. Dimensional tolerance is within +/- 1–3 mm.