6004, 6004Z, 6004ZZ, 6004RS, 6004-2RS Ball Bearings 20x42x12mm – Full Series Deep Groove Bearings for Motors & Machinery

6004, 6004Z, 6004ZZ, 6004RS, 6004-2RS Ball Bearings 20x42x12mm – Full Series Deep Groove Bearings for Motors & Machinery

Complete 6004 series deep groove ball bearings in standard size 20mm (ID) × 42mm (OD) × 12mm (W), available in multiple configurations for reliable performance across industrial, commercial, and automotive applications:

• 6004: Open type – ideal for applications requiring re-lubrication or custom sealing
• 6004Z / 6004ZZ (6004-2Z): Single or double metal shields – provide effective dust protection and grease retention
• 6004RS / 6004-2RS: Single or double rubber seals – offer superior resistance to water, moisture, and contaminants

Made from high-quality chrome steel (GCr15), all models feature precision-ground raceways for smooth, low-noise operation and durable performance under moderate to heavy radial loads and high speeds. Widely used in electric motors, pumps, fans, gearboxes, power tools, small machinery, and automotive accessories.

Most sealed versions are pre-lubricated with high-performance grease for maintenance-free operation. The 6004 series supports both radial and moderate axial loads, making it a versatile solution for OEMs, repair, and DIY applications.

🔧 Key Specifications:

• Models: 6004, 6004Z, 6004ZZ (6004-2Z), 6004RS, 6004-2RS
• Dimensions: 20 × 42 × 12 mm
• Material: Chrome Steel (GCr15)
• Precision Rating: ABEC-1 (ISO P0)
• Temperature Range: -30°C to +110°C (varies by seal and lubricant)