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| Parameter | Details |
|---|---|
| Model Number | 6312/6313/6317/6318-ZZ/2RS |
| Seals Type | Zz, 2RS, Open |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Service | OEM, ODM |
| Rows Number | Single |
| Aligning | Non-Aligning Bearing |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Contact Angle | 0° |
| Separated | Unseparated |
| Standard | DIN, GB, ISO, JIS, ANSI |
| Weight | 1.8 Kg |
| Transport Package | Carton, Pallet |
| Specification | 60*130*31 mm |
| Origin | China |
| HS Code | 8482102000 |
| Industry | Typical Applications |
|---|---|
| 工程机械 | 液压泵、变速箱、行走机构 |
| 自动化设备 | 输送机滚筒、电机主轴 |
| 汽车 | 驱动系统、转向部件 |
| 钢铁冶金 | 轧机辅助设备、传送辊道 |
Many buyers face the same problem: finding the right bearing that matches both dimensional standards and application requirements. A mismatched seal type or incorrect precision class can lead to premature failure, while sourcing from multiple suppliers wastes time and increases costs. As someone who has worked with bearing procurement for years, I understand how critical it is to get this right the first time.
This radial bearing series addresses common pain points with its comprehensive specifications. Available in open, ZZ, and 2RS seal configurations, it适应 both lubricated and sealed environments, reducing maintenance needs. With precision ratings from P0 to P2, it meets the demands of both general industrial and high-precision applications. Our ISO 9001-certified production process ensures consistent quality, and we maintain stock across multiple international standard sizes, so you don’t have to wait for custom production.
Designed as a non-aligning radial bearing with a 0° contact angle, this product excels in applications where radial loads are the primary force. It performs reliably in operating conditions where misalignment is minimal, such as electric motors, gearboxes, and conveyor systems. The single-row design balances load capacity and compactness, making it suitable for equipment with space constraints. Whether using grease or oil lubrication, the bearing maintains stable performance across standard industrial temperature ranges.
The bearing steel construction provides the necessary hardness and durability for high-load applications, with surface treatments that enhance wear resistance. The precision rating options allow customization—P0 for general use, P5/P4 for machine tools requiring tight tolerances, and P2 for precision instruments. Vibration classes Z1V1 to Z3V3 let you select the right balance between noise levels and cost for your specific environment. The unseparated design ensures easy installation and handling, reducing the risk of component misplacement during assembly.
Choosing the right bearing directly impacts your equipment’s total operating cost. A bearing with insufficient precision can cause excessive vibration, leading to increased energy consumption and premature wear of adjacent components. Our product’s adherence to multiple international standards (DIN, ISO, JIS) ensures interchangeability, reducing downtime when replacements are needed. By selecting the appropriate seal type and lubrication method upfront, you minimize maintenance intervals and extend service life, ultimately lowering long-term costs compared to cheaper, lower-quality alternatives.
Our production process follows ISO 9001 guidelines, with raw material inspection ensuring only high-grade bearing steel is used. Finished products undergo dimensional accuracy, hardness, and surface treatment testing to meet specified standards. We provide a warranty period covering manufacturing defects, with clear terms for returns and replacements. As a supplier with access to both our own brand and major international models, we can source or produce bearings according to your exact specifications. Our inventory system maintains stock levels to support quick turnaround on standard sizes.
Whether you need the 6312, 6313, 6317, or 6318 model—with ZZ seals, 2RS seals, or open configuration—we can provide pricing and availability. Share your required model number, quantity, and delivery location, and our team will prepare a detailed quote. We also welcome inquiries for other bearing types and brands to fulfill your complete procurement needs.
Q: Do you supply other bearing brands or models besides those listed?
A: Yes, we support inquiries for all bearing brands and models. We can source or produce according to your specified brand, model, or technical requirements.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment model or the required dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with the 6312/6313/6317/6318 series specifications.
Q: What is your warranty policy for these bearings?
A: We offer a warranty period covering manufacturing defects. Specific terms and duration are detailed in each sales contract, with options for returns or replacements in case of verified quality issues.
Q: What is the minimum order quantity for this bearing series?
A: We support low minimum order quantities, including single-unit purchases for maintenance needs. Larger volume discounts are available for production-scale orders.
Q: How long does shipping take, and what delivery methods are available?
A: In-stock items ship within 1-3 business days. Delivery options include express courier (3-5 days), air freight (5-7 days), and sea freight (varies by destination). We’ll recommend the most cost-effective method based on your location and urgency.
Q: Can you produce custom bearings (OEM/ODM) to specific requirements?
A: Yes, we offer OEM and ODM services. Provide your technical drawings, material specifications, or performance requirements
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Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.
In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.
Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.
Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.
Performance Metrics
35%
Failures Prevented
70%
Downtime Reduction
25+
Years Experience
24h
Quote Response
78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.
Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.
Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.
IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.
Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.
Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.
Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.
Free samples available for orders over $50K
Validated against your KPIs before full production commitment.
-- Get In Touch
Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.
Address
No. 377 Bansongyuan Road, Huangpu District, Shanghai, China
Free Sample Program
Orders over $50K qualify for free product samples
Test against your KPIs before full production commitment. Ask our engineers for details.
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