Product Specifications
| Parameter |
Details |
| Model NO. |
30312 |
| Seals Type |
Open |
| Lubricate |
Oil Grease Dry |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Number of Row |
Single Row |
| Service |
OEM ODM |
| Rolling Body |
Roller Bearings |
| Material |
Bearing Steel |
| Spherical |
Non-Aligning Bearings |
| Load Direction |
Radial Bearing |
| Separated |
Separated |
| Specification |
60*130*31mm |
| HS Code |
8482500090 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Presses, Gearboxes |
| Automotive |
Transmissions, Axles |
| Agricultural Machinery |
Harvesters, Tractors |
| Construction |
Excavators, Loaders |
Prevent Costly Downtime with Precision Tapered Roller Bearings 30312 30322 32210 for Industrial Machinery
Industrial machinery operators know the frustration of unexpected bearing failure—costing thousands in downtime, repair parts, and lost production. Many struggle with inconsistent quality from unknown suppliers, or face minimum order quantities that tie up capital. When precision matters most, choosing the right bearing becomes critical to keeping your equipment running.
Engineered for Reliable Performance in Demanding Applications
Our Tapered Roller Bearings deliver the precision and durability industrial machinery requires. With P0-P4 precision ratings and single-row design, these bearings excel in radial load applications while accommodating axial loads common in gearboxes and machine tool spindles. As an integrated manufacturer with full R&D and ISO9001 certification, we ensure each bearing meets strict quality standards, backed by a 12-month global warranty.
Optimized for Heavy-Duty Industrial Environments
Designed with separated inner and outer rings for easy installation and maintenance, these Tapered Roller Bearings thrive in high-load industrial settings. The open seal design allows flexibility in lubrication—oil, grease, or dry operation—making them suitable for diverse conditions from printing presses to agricultural equipment. Their bearing steel construction ensures resistance to wear, even under continuous operation.
Precision Parameters That Drive Machinery Efficiency
Key technical features directly impact your equipment’s performance: Precision ratings from P0 (standard) to P4 (high precision) control dimensional accuracy—vital for minimizing vibration in high-speed machine tools. The 60*130*31mm specification for model 30312 balances load capacity with compact design, fitting into tight gearbox assemblies. Single-row configuration optimizes radial load handling, while separated components simplify maintenance and reduce downtime during replacements.
Why Authentic Bearings Deliver Lower Total Cost of Ownership
Choosing genuine Tapered Roller Bearings over counterfeit alternatives eliminates hidden costs. Inferior bearings often fail prematurely, causing secondary damage to shafts and housings. Our ISO14001-certified production process ensures consistent material quality, while rigorous QC testing verifies load capacity and dimensional accuracy. With free technical guidance and defect replacement, we help you avoid the expense of unplanned downtime and frequent replacements.
Your Trusted Partner for Bearing Solutions Since 2005
With 18 years serving global buyers across Europe, America, and Southeast Asia, we’ve built a reputation for reliability. Our 1pc MOQ for standard items supports both emergency repairs and small-batch production needs. Free samples (buyer covers freight) allow you to verify performance before full orders, while 5–15 day bulk delivery ensures minimal wait times. Our technical team provides free guidance on selection and installation, ensuring you get the right bearing for your specific application.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- 3–5 days sample lead time for testing and verification
- Flexible shipping via T/T, credit card, or Alibaba trade terms
- Global logistics support with tracking available
- 1pc minimum order quantity for standard items
Get Your Precision Bearings Shipped Fast
Don’t let equipment downtime affect your bottom line. Whether you need 30312, 30322, or 32210 Tapered Roller Bearings, we have the inventory and expertise to fulfill your order quickly. Contact us with your bearing model, application details, and quantity to receive a quote within 24 hours.
Frequently Asked Questions
Q: Are these bearings authentic and traceable?
A: Yes, we supply authentic bearings with full traceability. Our manufacturing process is ISO9001 & ISO14001 certified, ensuring quality from raw materials to finished products.
Q: How can I confirm the right bearing model for my machinery?
A: Provide your equipment model or specific operating conditions (load, speed, temperature), and our technical team will assist with free选型确认.
Q: What warranty do you offer on these bearings?
A: We provide a 12-month global warranty, including free defect replacement or refund for manufacturing issues.
Q: What is the minimum order quantity?
A: We accept 1pc MOQ for standard items, supporting both emergency repairs and small-batch purchases.
Q: How long does shipping take?
A: Sample lead time is 3–5 days, with bulk delivery taking 5–15 days depending on order size and destination.
Q: Can you provide OEM/ODM customization?
A: Yes, we offer full OEM/ODM customization services to meet specific application requirements, including custom specs and branding.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.