Product Specifications
| Parameter |
Details |
| Model Designation |
NN3019 TN9/SP W33 |
| Type |
Double Row Cylindrical Roller Bearing |
| Outer Dimension Range |
Medium and Large (120-190mm) |
| Material |
Bearing Steel |
| Alignment Capability |
Non-Aligning Bearings |
| Load Direction |
Axial Bearing |
| Separable Design |
Separated |
| Radial Clearance |
C0, C2, C3, C4, C5 |
| Cage Material |
Brass, Steel |
| Vibration Grade |
Z1V1, Z2V2, Z3V3 |
| Hardness |
60-64 HRC |
| Transport Package |
Carton Pallet |
| HS Code |
8482800000 |
Application Industries
| Industry |
Typical Equipment |
| Mining & Quarrying |
Crushers, Conveyors, Mining Drills |
| Heavy Machinery |
Excavators, Loaders, Bulldozers |
| Industrial Manufacturing |
Rolling Mills, Gearboxes, Press Machines |
Reduce Downtime in Mining Operations with Shock Resistant NN3019 TN9/SP W33 Bearings
Mining equipment operators know the cost of unexpected downtime—each hour of halted production erodes profits and delays project timelines. Shock loads from ore crushing, heavy axial forces in conveyors, and abrasive environments often lead to premature bearing failure, especially with low-quality components. Sourcing reliable mining bearings that balance load capacity with impact resistance remains a persistent challenge for maintenance teams.
Engineered for the Toughest Mining Conditions
Our Double Row Cylindrical Roller Bearing NN3019 TN9/SP W33 is specifically designed to address the unique demands of mining operations. With a separable design for easy installation and maintenance, this bearing handles high radial loads and moderate axial loads common in crushers and conveyor systems. Constructed from high-grade bearing steel with 60-64 HRC hardness, it delivers exceptional wear resistance even in dusty, debris-filled environments.
Performance Under Extreme Loads
This bearing excels in applications with heavy shock loads and continuous operation—critical factors in mining equipment. The double row cylindrical roller design distributes load evenly across rolling elements, reducing stress concentrations and extending service life. Available clearance grades (C0-C5) allow customization for specific operating conditions, from tight precision setups in gearboxes to thermal expansion accommodation in high-temperature environments.
Key Technical Features That Matter
The NN3019 TN9/SP W33 incorporates several engineering details that directly impact performance. Its brass or steel cage ensures stable roller guidance at high speeds, while the W33 lubrication groove and holes facilitate efficient grease distribution for extended maintenance intervals. The Z1V1 to Z3V3 vibration grades enable selection based on noise sensitivity—vital for operator comfort in enclosed mining equipment. With non-aligning properties, this bearing maintains precision under shaft deflection, a common issue in heavy machinery.
Why Quality Bearings Lower Total Mining Costs
Choosing genuine shock resistant mining bearings reduces long-term operational expenses far beyond initial purchase price. Counterfeit bearings often fail within months, requiring emergency replacements, labor costs, and unplanned downtime that can exceed the cost of three genuine units. Our bearings meet ISO industrial standards, ensuring consistent performance and predictable service life. The 60-64 HRC hardness rating, for example, provides 30% longer wear resistance compared to substandard alternatives, directly translating to fewer maintenance cycles.
Decades of Trust in Bearing Manufacturing
Jinan Saifan Bearing Co., Ltd brings 18+ years of bearing manufacturing and export experience to every order. Our factory operates under ISO 9001:2015 quality management and ISO 14001 environmental systems, with in-house laboratories conducting dimensional, noise, and service life testing. We supply to 40+ countries across Europe, North America, and Southeast Asia, supporting distributors and industrial buyers with 1-piece MOQ for standard bearings and free samples for qualified buyers. Our technical team provides free guidance on selection, installation, and maintenance, ensuring optimal bearing performance in your specific mining application.
Packaging & Shipping
- Secure carton pallet packaging with moisture protection to prevent damage during transit
- Sample orders shipped within 3-5 working days; bulk orders within 5-15 working days
- Multiple logistics options including DHL, FedEx, UPS, air freight, and sea freight
- Real-time tracking numbers provided upon shipment
- Flexible order quantities with 1-piece minimum for standard bearings
Get Your Mining Bearings Shipped Fast
Don’t let bearing failure disrupt your mining operations. Whether you need emergency replacements or scheduled maintenance stock, our NN3019 TN9/SP W33 bearings are ready to ship. The sooner you secure reliable components, the sooner you can restore production and protect your bottom line.
Frequently Asked Questions
Q: Are these bearings suitable for high-shock mining applications?
A: Yes, the NN3019 TN9/SP W33 is specifically designed as a shock resistant bearing, with a double row cylindrical roller structure that distributes impact loads effectively—ideal for crushers and heavy mining equipment.
Q: How do I confirm if this bearing fits my equipment?
A: Provide your equipment model or existing bearing designation, and our technical team will verify compatibility based on dimension, load capacity, and operating conditions.
Q: What is the warranty period for these mining bearings?
A: We offer a 12-month warranty from the date of delivery, covering manufacturing defects with free replacement or refund options.
Q: What is the minimum order quantity?
A: Standard bearings like the NN3019 TN9/SP W33 have a 1-piece MOQ, supporting both emergency repairs and small-batch purchases.
Q: How quickly can I receive my order?
A: Sample orders ship within 3-5 working days, while bulk orders take 5-15 working days depending on quantity and customization requirements.
Q: How can I verify the authenticity of the bearings?
A: All products include traceable batch codes and comply with ISO standards. We can provide inspection reports and certification documents upon request to confirm quality and authenticity.
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