-- SKF Authorized Engineering Partner
Experience seamless high-speed performance with the SKF Deep Groove Bearing lineup, designed to keep your machinery running smoothly even under demanding conditions. The 16015, 16016, and 16017-2Z models feature precision-engineered double rows and ZZ sealed design, ensuring reliable operation with minimal maintenance—perfect for avoiding unexpected downtime.
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| Parameter | Details |
|---|---|
| Model Number | 16015, 16016, 16017-2Z, 21311, 21312 |
| Bearing Type | Deep Groove Ball Bearing, Spherical Roller Bearing, Aligning Bearings |
| Structure | Spherical Roller |
| Rolling Body | Roller Bearings |
| Load Direction | Radial Bearing |
| Rows Number | Double |
| Seals Type | Zz, 2RS, Open |
| Cage | Cc Iron Cage, Ca Copper Cage, Nylon Cage |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
| Separated | Unseparated |
| Lubricate | Grease or Oil |
| Outer Dimension | 25mm-540mm |
| Specification | 55*120*29 mm |
| Service | OEM, ODM |
| Origin | China |
| HS Code | 8482300000 |
| Transport Package | Carton Pallet |
| Industry | Typical Applications |
|---|---|
| Engineering Machinery | Conveyor systems, hydraulic pumps |
| Automation Equipment | High-speed rotating shafts, precision linear guides |
| Steel Metallurgy | Rolling mill stands, continuous casting machines |
| Mining | Crusher components, ore processing equipment |
| Automotive | Transmission systems, wheel hubs |
Many buyers face frustration when sourcing bearings—either struggling to find exact replacements for discontinued models or dealing with inconsistent quality from unknown suppliers. A mismatched bearing can lead to premature equipment failure, while low-quality materials often result in excessive vibration and shortened service life. With hundreds of brands and thousands of specifications, finding the right fit shouldn’t require hours of research.
Our deep groove ball bearings and spherical roller bearings address these challenges through ISO 9001-certified manufacturing processes and comprehensive quality control. Available in models like 16015, 16016, 16017-2Z, 21311, and 21312, these bearings feature precision ratings from P0 to P2 and clearance options (C0, C3, C4) to suit diverse operating conditions. Whether you need a high-speed deep groove ball bearing for automation equipment or a double-row spherical roller bearing for heavy-duty mining applications, our full product range ensures you find the right solution without switching suppliers.
These bearings excel in applications requiring both radial load capacity and alignment flexibility. The spherical roller design accommodates misalignment, making them ideal for machinery with shaft deflection, such as steel mill rolling stands or conveyor systems. For high-speed operations—like automotive transmissions or precision spindles—the deep groove ball bearings with Zz or 2RS seals reduce friction and prevent contamination, ensuring reliable performance even at rotational speeds exceeding 10,000 RPM. Operating temperatures range from -40°C to 120°C with standard lubricants, adapting to both indoor and outdoor industrial environments.
The cage material directly influences bearing durability: iron cages (Cc) offer high strength for heavy loads, while copper cages (Ca) provide better heat dissipation in high-temperature applications. Nylon cages reduce noise and weight, suitable for precision automation. Precision ratings matter too—P5 class bearings ensure tighter dimensional tolerances for critical equipment, minimizing vibration and extending service life compared to lower P0 grades. Seals play a crucial role as well: 2RS seals provide superior protection against moisture and dust in mining or construction settings, while open designs offer lower friction for high-speed scenarios where lubrication is continuously supplied.
Selecting an improperly sized or low-quality bearing may seem cost-effective initially, but the hidden expenses add up quickly. A bearing with insufficient load capacity can fail within months, causing unplanned downtime, replacement parts, and labor costs. Our bearings, manufactured with strict material testing and hardness checks (HRC 58-62), resist wear and fatigue, reducing maintenance intervals. For example, a P6 precision spherical roller bearing in a conveyor system typically lasts 30% longer than a non-certified alternative, lowering total cost of ownership by minimizing replacements and production interruptions.
Every bearing undergoes thorough inspection before shipment, including dimensional accuracy checks, surface hardness testing, and clearance verification. Our ISO 9001-certified production process ensures consistency from raw material selection to final packaging. We stand behind our products with a warranty against manufacturing defects, and our technical team can assist with installation guidance to maximize performance. With access to both international brands and our own BDL line, we provide flexible sourcing options tailored to your budget and specifications.
Whether you need a specific SKF-compatible model, a custom-designed bearing, or want to compare pricing across brands, our team is ready to assist. Provide the bearing model, dimensions (d x D x B), quantity, and application details, and we’ll deliver a competitive quote with lead time information. The sooner you confirm your requirements, the faster we can arrange delivery to keep your operations running smoothly.
Q: Can you supply bearings from other international brands besides the ones listed?
A: Yes, we support procurement of all major international brands including NSK, NTN, Koyo, NACHI, IKO, FAG, and Timken, as well as domestic Chinese brands. Simply provide the brand and model, and we’ll source it for you.
Q: How do I ensure the bearing will fit my equipment correctly?
A: Share your equipment make, model, or the required dimensions (bore diameter, outer diameter, width) and load conditions. Our technical team will cross-verify specifications to confirm compatibility.
Q: What is your warranty policy for these bearings?
A: We provide a warranty against manufacturing defects. The exact duration depends on the product type and application, with details specified in the sales contract.
Q: What is the minimum order quantity for a single bearing model?
A: We offer low minimum order quantities, starting from 1 piece for most standard models, allowing you to test samples before
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Rolling mill and continuous casting bearings rated for extreme temperatures, heavy loads, and aggressive lubricants.
Hub units, transmission, and electric motor bearings meeting TS 16949 requirements for passenger and commercial vehicles.
Machine tool spindle and robotics bearings with P4/P2 accuracy class for ultra-precise positioning and minimal vibration.
Pumps, fans, compressors, and conveyor systems across all manufacturing sectors requiring reliable, cost-effective bearing solutions.
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.
Regarding: SKF 16015 16016 16017-2Z High Speed Deep Groove Ball Bearing
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