Series 691-695 Mini Deep Groove Ball Bearing, High-Quality

Product Specifications

Application Suitability

Need a Reliable Series 691-695 Mini Deep Groove Ball Bearing? Avoid These Common Pitfalls

Finding the right miniature bearing for your equipment can be frustrating—especially when dealing with complex model systems and varying quality standards. Many buyers face issues like premature wear from low-grade steel, misalignment problems due to poor precision, or long lead times from limited suppliers. As a specialist in bearing solutions, we understand these challenges firsthand.

Built for Consistent Performance in Tight Spaces

Our Series 691-695 Mini Deep Groove Ball Bearing addresses these pain points with ISO 9001-certified manufacturing and a range of precision ratings from P0 to P4. Whether you need an open design for high-speed applications or Zz/2RS seals for contamination protection, this bearing delivers reliable radial load support in compact setups like small electric motors and precision automation guides. With both grease and oil lubrication options, it adapts to diverse operating conditions.

Where This Miniature Bearing Excels

Designed for radial loads with a 0° contact angle, this single-row, non-aligning bearing performs best in low-to-medium speed applications where space is critical. Its unseparated construction ensures stability, while bearing steel material provides durability in temperatures typical of industrial and commercial environments. Whether used in electronics, medical devices, or small machinery, proper lubrication and precision class selection directly impact service life.

Key Engineering Features That Impact Performance

The 1×4×1.6 mm specification (bore diameter × outer diameter × width) makes this bearing ideal for miniature equipment, but its real value lies in engineering details. The precision rating (P0-P4) determines rotational accuracy—critical for applications like optical scanners where vibration (Z1V1-Z3V3) must be minimized. Seals type matters too: open bearings suit high-speed, low-contamination environments, while 2RS seals offer better protection in dusty conditions. Proper lubrication (grease for maintenance-free operation, oil for high speeds) further optimizes performance.

Why Quality Bearings Reduce Total Cost

Choosing a low-quality miniature bearing may save money upfront, but the hidden costs add up. Inferior steel lacking proper hardness leads to early wear, causing equipment downtime and replacement expenses. A precision-machined bearing like this one, with strict dimensional tolerances, ensures easy interchangeability and reduces installation errors. By meeting ISO standards for material and manufacturing, it minimizes the risk of catastrophic failure—protecting both your equipment and productivity.

Quality You Can Rely On

Packaging & Shipping

• Standard packaging: Carton and pallet for secure transportation
• Fast dispatch: Available from stock for quick delivery
• Flexible shipping: Options include express courier, air freight, and sea freight
• Low minimum order quantity: Supports small-scale trials and large production runs

Request a Quote for Your Series 691-695 Bearing

Ready to secure reliable miniature bearings for your application? Provide us with your required model, quantity, and delivery location, and we’ll promptly send a competitive quote. We also offer full-range bearing procurement—from our BDL brand to international standards—so you can source all your bearing needs in one place.

Frequently Asked Questions