Product Specifications
| Parameter |
Details |
| Model NO. |
22312 |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Clearance |
C0 C3 C4 |
| Service |
OEM ODM |
| Rolling Body |
Roller Bearings |
| The Number of Rows |
Double |
| Material |
Bearing Steel |
| Spherical |
Aligning Bearings |
| Load Direction |
Radial Bearing |
| Separated |
Unseparated |
| Specification |
70*150*51 mm |
| Trademark |
SKF/NTN/NSK/NMB/Koyo/NACHI/Timken |
| Origin |
China |
| HS Code |
8482300000 |
Application Industries
| Industry |
Typical Equipment |
| Steel & Metallurgy |
Rolling Mills |
| Industrial Machinery |
Reducers, Gearboxes |
| Heavy Machinery |
Crushers, Conveyors |
| Electric Power |
Generators, Fans |
Minimize Downtime with Reliable Spherical Roller Bearing 22312 for Rolling Mills
Production delays from bearing failures cost manufacturers thousands daily. In rolling mills, premature bearing wear leads to unplanned shutdowns, missed deadlines, and increased maintenance costs. Sourcing authentic high-precision bearings often means navigating minimum order quantities and lengthy lead times, leaving maintenance teams struggling to keep critical equipment operational.
Genuine 22312 Spherical Roller Bearings, Ready for Immediate Shipment
Our Spherical Roller Bearing 22312 addresses these challenges with authentic NSK, NTN, Koyo, and Timken options available for immediate dispatch. With 1pc MOQ for standard items and 3–5 days sample lead time, we support both emergency repairs and planned maintenance. The double-row roller design delivers exceptional radial load capacity, making it ideal for heavy-duty applications like rolling mill stands and industrial gearboxes.
Engineered for Heavy-Duty Rolling Mill Operations
The Spherical Roller Bearing 22312 excels in harsh environments with high radial loads and moderate axial loads. Its self-aligning capability compensates for shaft misalignment up to 2 degrees, reducing stress on adjacent components. In rolling mills, this design ensures stable performance under variable loads and high shock conditions, maintaining production continuity even in demanding operating scenarios.
Key Technical Features Ensuring Optimal Performance
Precision rating options from P0 to P4 allow customization for specific application requirements. P4 precision bearings minimize rotational error, critical for maintaining product quality in rolling operations where dimensional accuracy is paramount. Clearance grades C0, C3, and C4 provide flexibility—C3 and C4 clearances accommodate thermal expansion in high-temperature environments, preventing premature failure. Crafted from high-grade bearing steel, these bearings offer excellent wear resistance, extending service life in abrasive conditions common to metalworking industries.
Why Authentic Bearings Reduce Total Cost of Ownership
Counterfeit bearings may seem cost-effective initially but often fail within months, leading to repeated replacements and unplanned downtime. Our genuine Timken Spherical Bearing and NSK 22312 Bearing products meet strict OEM standards, ensuring consistent performance and longer service intervals. Backed by ISO9001 quality certification, each bearing undergoes rigorous testing to verify load capacity and dimensional accuracy, reducing the risk of catastrophic failures that damage expensive equipment.
Your Trusted Bearing Partner Since 2005
With over 18 years serving global buyers across Europe, America, and Southeast Asia, we prioritize supply chain transparency and product authenticity. Our in-house QC lab conducts 100% incoming inspection on all bearings, while ISO14001 certification reflects our commitment to sustainable manufacturing. We offer a 12-month global warranty, with free technical guidance and defect replacement available to ensure your satisfaction. Our centralized production facility maintains sufficient inventory to fulfill bulk orders within 5–15 days, supporting your production schedules without delay.
Packaging & Shipping
- Carton and pallet packaging with protective inner wrapping to prevent damage during transit
- 3–5 days sample delivery; 5–15 days bulk production lead time
- Flexible shipping via TNT, DHL, FedEx, air freight, or sea freight based on urgency and volume
- Real-time tracking provided for all shipments
- 1pc minimum order quantity for standard bearings, supporting emergency repair needs
Secure Your Rolling Mill Bearings Today
Don’t let bearing-related downtime impact your production targets. Whether you need a single replacement or bulk order, our Spherical Roller Bearing 22312 is ready to ship. Provide your equipment details and quantity requirements, and our technical team will confirm compatibility and deliver a competitive quote within 24 hours.
Frequently Asked Questions
Q: Are these genuine NSK/NTN/Koyo/Timken bearings?
A: Yes, we are an authorized supplier of authentic NSK, NTN, Koyo, and Timken bearings. Each product comes with traceable documentation to verify its origin and compliance with manufacturer standards.
Q: How do I confirm if the 22312 bearing fits my rolling mill?
A: Share your equipment model, operating speed, and load conditions with our technical team. We’ll cross-reference dimensions (70*150*51 mm) and performance parameters to ensure proper fit and function.
Q: What warranty coverage do you offer?
A: All bearings come with a 12-month global warranty. We provide free replacement or refund for manufacturing defects, with dedicated after-sales support to resolve issues promptly.
Q: What is the minimum order quantity?
A: We accept 1pc orders for standard bearings, making us ideal for emergency repairs. Bulk pricing is available for larger quantities.
Q: How quickly can you ship the 22312 bearing?
A: Standard items are in stock with 3–5 days sample lead time and 5–15 days for bulk orders. Express shipping options are available for urgent requirements.
Q: How can I verify the authenticity of the bearing upon receipt?
A: Authentic bearings feature laser-etched markings, original packaging with brand logos, and serial numbers that can be verified through manufacturer databases. We provide certification documents upon request.
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