6905, 6905Z, 6905ZZ, 6905RS, 6905-2RS Deep Groove Ball Bearings 25x42x9mm – Precision Bearings for High-Speed & Medium-Duty Industrial Applications

6905, 6905Z, 6905ZZ, 6905RS, 6905-2RS Deep Groove Ball Bearings 25x42x9mm – Precision Bearings for High-Speed & Medium-Duty Industrial Applications

Reliable and robust 6905 series deep groove ball bearings in size 25mm (ID) × 42mm (OD) × 9mm (W), engineered for medium-duty industrial systems that demand smooth, quiet, and high-speed rotation under radial and moderate axial loads. Ideal for machinery where space is limited but performance and durability are critical.

Available in multiple sealing options to suit various operating conditions:

• 6905: Open type – best for clean environments or custom lubrication setups
• 6905Z / 6905ZZ (6905-2Z): Single or double metal shields – protect against dust while retaining factory grease
• 6905RS / 6905-2RS: Single or double rubber seals – offer superior resistance to moisture, dirt, and contaminants

Manufactured from high-grade chrome steel (GCr15) — with stainless steel available on request — these bearings feature precision-ground raceways for low friction, minimal vibration, and stable performance at elevated speeds. Widely used in electric motors, gearboxes, agricultural equipment, pumps, compressors, conveyors, power tools, HVAC systems, and light automotive components.

Most sealed variants come pre-lubricated with long-life, low-torque grease for maintenance-free operation. The 6905 series delivers an excellent balance of load capacity, rotational accuracy, and compact design, making it a trusted choice for both OEM integration and industrial replacement.

🔧 Key Specifications:

• Models: 6905, 6905Z, 6905ZZ (6905-2Z), 6905RS, 6905-2RS
• Dimensions: 25 × 42 × 9 mm
• Material: Chrome Steel (GCr15) – stainless steel optional
• Precision Rating: ABEC-1 (standard); higher grades available
• Ideal for: Industrial machinery, automation, repair workshops, and medium-load mechanical systems