Product Feature: Mainly applicated on wheels for cars, bikes, motorcycles, karts, lawn mowers, skateboards, winter skateboarding, roller skates, tractors, snowmobiles, snow sleds, electric snowplows, small snowplows, large snowplows, air conditioning compressors, blower bearings, 3D prints, snow blower etc. Equipped with robust rubber seals on both sides, effectively prevent dust, debris, and moisture from entering, while retaining grease. these bearings offer excellent protection, provides stable support for your wheels even in cold winters, enhancing vehicle handling and ride comfort. Made of good quality bearing steel, it boasts high hardness and toughness, high precision, and low friction, enabling it to withstand enormous loads in harsh environments. It operates smoothly and efficiently even in severe conditions, especially during cold winters. This is single-row design. Please confirm the model number and dimension before buying, thanks!< Specification: Outer Diameter: 47mm / 1.85" Inner Diameter: 35mm / 1.38" Width: 7mm / 0.28" Color: Silver Tone, Black Precision Level: P5 Basic Load Ratings (kN): Cr: 4.9 C0r:4.1 Limiting Speeds(min-1): 16000 Material: Bearing Steel, Rubber Package included:1 Pc Deep Groove Ball Bearings