Koyo Timken 6011-2z 6211-2z 6311-2z Deep Groove Ball Bearing

Product Specifications

Application Suitability

Tired of Bearing采购 Frustrations? Find Your 6011-2Z/6211-2Z/6311-2Z Solutions Here

Many buyers struggle with finding the right deep groove ball bearings when faced with complex model systems or urgent maintenance needs. Mismatched dimensions lead to installation delays, while poor-quality bearings cause premature failures in critical equipment. Sourcing from multiple suppliers wastes valuable time – we’ve seen these challenges firsthand in over a decade of serving industrial clients.

Your One-Stop Source for 6011-2Z/6211-2Z/6311-2Z Bearings

Our deep groove ball bearings follow international dimensional standards, ensuring compatibility with equipment designed for Koyo, Timken, and other major brands. With ISO 9001 certified production processes and comprehensive testing protocols, we deliver bearings that meet the strict requirements of automotive manufacturing and industrial machinery. Our extensive inventory includes these 2Z shielded variants, ready for immediate dispatch to minimize your downtime.

Optimal Performance in Demanding Environments

These 6011-2Z, 6211-2Z, and 6311-2Z bearings excel in applications with moderate radial loads and low-to-moderate speeds. The double shielded design (2Z) provides effective protection against dust and debris in manufacturing facilities, while allowing for grease retention in contaminated environments. Operating temperatures typically range from -30°C to +120°C, making them suitable for both indoor industrial settings and outdoor equipment.

Key Engineering Features Explained

The 2Z shield configuration offers a balance between protection and friction – non-contact shields reduce heat generation compared to contact seals, ideal for continuous operation. Radial internal clearance is set to C3 standard for most industrial applications, allowing thermal expansion during operation without excessive play. Precision ground raceways ensure smooth rotation, reducing vibration that can lead to premature wear in high-speed equipment. The high-carbon chromium steel construction provides excellent hardness (HRC 58-62) for extended fatigue life under cyclic loading conditions.

Why Quality Bearings Reduce Total Cost

Choosing the right deep groove ball bearing directly impacts your equipment’s reliability and maintenance costs. A bearing with improper clearance or material quality may fail within months, causing production downtime and costly repairs. Our bearings are manufactured to tight tolerance classes (ISO P0/P6) to ensure consistent performance, helping you avoid the hidden expenses of frequent replacements. By following ISO 281 load-life calculation standards, we help you select bearings that match your application’s actual operating conditions, optimizing both performance and cost-efficiency.

Quality You Can Rely On

Packaging & Shipping

• Standard industrial packaging: inner plastic bags, outer cartons with foam protection
• Expedited shipping available for urgent orders
• Multiple logistics options: Express courier (DHL/FedEx/UPS), air freight, or sea freight
• Low minimum order quantity – suitable for both maintenance replacement and bulk production needs

Get Your 6011-2Z/6211-2Z/6311-2Z Quote Today

Whether you need a single replacement bearing or a bulk order for production, we’re ready to assist. Provide your exact model requirements, quantity, and delivery location, and our technical team will confirm compatibility and provide competitive pricing. With our extensive network, we can also source other bearing types and brands to meet all your procurement needs in one inquiry.

Frequently Asked Questions