Deep Groove Ball Bearing 693 ZZ 2RS 3x8x3mm for Precision Industrial Machinery

Product Specifications

Application Suitability

Need a Reliable SKF 693 Deep Groove Ball Bearing for Precision Machinery?

Finding the right small-diameter bearing can be frustrating—too often, imprecise dimensions cause installation delays, or poor material quality leads to unexpected downtime in critical equipment. When your machinery relies on smooth, consistent rotation in tight spaces, settling for subpar components isn’t an option.

Engineered for Consistent Performance in Compact Applications

The SKF 693 deep groove ball bearing addresses these challenges with its precise 3x8x3mm dimensions and bearing steel construction, designed to deliver reliable radial load support in precision industrial machinery. As a supplier with access to a comprehensive range of international brands and extensive inventory, we ensure you get the exact specifications you need without unnecessary delays. Whether for high-speed miniature motors or delicate instrumentation, this bearing’s single-row design balances durability with the compact footprint required in tight mechanical assemblies.

Optimal Performance in Demanding Precision Environments

This bearing thrives in applications where space is limited but performance can’t be compromised. Operating temperatures compatible with standard industrial environments, combined with options for ZZ metal seals or 2RS rubber seals, make it suitable for both dry and lubricated conditions. Its radial load capacity is optimized for small-scale power transmission, ensuring stable operation in equipment like precision conveyors, medical devices, and 3D printing mechanisms where vibration control (Z1V1 to Z3V3 ratings) directly impacts product quality.

Key Engineering Features That Ensure Reliability

The 693’s bearing steel material provides the hardness needed to resist wear under continuous use, while its precision ratings (from P0 to P2) allow customization based on application tolerance requirements—P5 or P4 grades are ideal for high-precision equipment where minimal runout is critical. The availability of open, ZZ, or 2RS seal options lets you choose based on contamination risks: 2RS seals offer enhanced protection against dust and moisture in harsh environments, while open designs suit applications requiring frequent relubrication. With vibration levels controlled to industry standards, this bearing minimizes noise and extends equipment lifespan by reducing unnecessary stress on adjacent components.

Why Choosing the Right 3x8x3mm Bearing Matters for Total Cost

Selecting a precision bearing like the SKF 693 2RS 3x8x3mm might seem like a small decision, but it directly impacts your total operational costs. A bearing with incorrect dimensions or poor precision can cause shaft misalignment, leading to premature wear on gears and other components. The bearing steel construction ensures resistance to deformation under load, while proper sealing reduces maintenance needs by retaining lubrication and preventing debris ingress. In contrast, low-quality alternatives often fail early, resulting in unplanned downtime, replacement parts, and labor costs that far exceed the initial savings. By investing in a bearing designed for your specific precision requirements, you reduce the risk of costly failures and extend the service life of your machinery.

Quality Assurance You Can Verify

Packaging & Shipping

• Standard packaging: Carton with pallet for bulk orders; individual cartons for small quantities
• Same-day shipping for in-stock items, ensuring minimal lead time for urgent requirements
• Flexible logistics options including express courier, air freight, and sea freight to match your timeline and budget
• Low minimum order quantity supported, from single units to large-scale production runs

Get Your SKF 693 Bearing Quote Today

Whether you need the 693 ZZ, 693 2RS, or open variant, provide your required specifications—including seal type, precision class, and quantity—and we’ll deliver a competitive quote with clear lead times. Our technical team can also assist with cross-referencing part numbers or confirming compatibility with your equipment, ensuring you get the right bearing the first time.

Frequently Asked Questions