Product Specifications
| Parameter |
Details |
| Model NO. |
31321, 30615, 33024, 32940, 32922 |
| Outer Dimension |
35mm-400mm |
| Material |
Bearing Steel |
| Design |
Non-Aligning, Separated |
| Load Direction |
Radial Bearing |
| Product Name |
Taper Roller Bearing |
| Bore Size |
15-240 mm |
| Lubrication |
Grease or Oil |
| Precision Rating |
P0, P6, P5, P4, P2 |
| Vibration |
Z1V1, Z2V2, Z3V3 |
| Service |
OEM, ODM |
| Specification |
40*68*19 mm |
| Origin |
China |
| HS Code |
8482200000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Presses, Reducers |
| Automotive |
Wheel Hubs, Gearboxes |
| Agriculture |
Harvesters, Tractors |
| Construction |
Excavators, Heavy Load Equipment |
| Manufacturing |
CNC Machines, Spindles |
Eliminate Downtime with High Precision Tapered Roller Bearings 31321, 30615, 33024
Industrial machinery operators know the cost of bearing failure—unplanned downtime, lost production, and costly repairs. When standard bearings wear prematurely or fail under heavy loads, the ripple effect disrupts entire operations. Sourcing reliable tapered roller bearings that balance precision, durability, and quick delivery has long been a challenge for maintenance teams and equipment manufacturers.
Engineered for Heavy-Duty Industrial Performance
Our Tapered Roller Bearings address these critical pain points with precision engineering and flexible supply. Manufactured to P0-P4 precision levels and Z1V1-Z3V3 noise grades, these bearings deliver consistent performance in industrial machinery applications. With a 1pc MOQ for standard items and 3-5 day sample lead times, we support both emergency repairs and long-term production needs, ensuring you never wait for critical components.
Optimal Performance in Demanding Conditions
Tapered roller bearings excel in applications with combined radial and axial loads, making them ideal for machine tool spindles, printing presses, and reducers. The separated design allows easy mounting and dismounting, simplifying maintenance. Crafted from high-grade bearing steel, these bearings withstand heavy loads (15-240 mm bore size) and operate efficiently with either grease or oil lubrication, adapting to diverse industrial environments.
Precision Parameters That Drive Reliability
Three key specifications define the performance of our tapered roller bearings: precision rating, vibration grade, and load capacity. Precision ratings from P0 (standard) to P4 (high precision) ensure minimal runout, reducing machinery vibration and extending service life. Vibration grades Z1V1 to Z3V3 control noise levels, critical for precision equipment. The 40*68*19 mm baseline specification, combined with a 15-240 mm bore range, provides versatile load handling for everything from light-duty conveyors to heavy industrial presses.
Why Quality Bearings Reduce Total Cost of Ownership
Choosing genuine, high-precision bearings eliminates the hidden costs of counterfeit products. Inferior bearings often fail prematurely, causing secondary damage to shafts and housings. Our ISO9001-certified manufacturing process ensures each bearing meets strict quality standards, backed by a 12-month global warranty. With defect replacement and free technical guidance, we minimize unplanned downtime and maximize your machinery’s operational efficiency.
Your Trusted Partner for Bearing Solutions
Jinan Saifan Bearing, established in 2005, combines 18 years of manufacturing expertise with a global distribution network spanning Europe, America, Southeast Asia, and the Middle East. Our in-house R&D and QC lab ensure every bearing meets design specifications, while ISO14001 certification reflects our commitment to sustainable production. We offer full OEM/ODM customization, supporting unique industrial requirements, and maintain flexible payment options including T/T, credit card, and Alibaba trade assurance for secure transactions.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- Sample lead time: 3–5 days; bulk delivery: 5–15 days
- Global shipping via DHL, FedEx, UPS, air, or sea freight
- Real-time tracking provided for all orders
- 1pc minimum order quantity for standard bearings
Secure Your Bearing Supply Today
Don’t let equipment downtime impact your bottom line. Whether you need replacement bearings for immediate repairs or bulk orders for production, our Tapered Roller Bearings 31321, 30615, and 33024 are ready to ship. Send us your specifications, and our technical team will ensure the perfect fit for your application.
Frequently Asked Questions
Q: Are these bearings genuine and traceable?
A: Yes, all our bearings are manufactured in-house under strict quality controls. We provide full traceability documentation for every order.
Q: How do I confirm the correct bearing model for my equipment?
A: Provide your equipment model or existing bearing specifications (bore size, outer diameter, width), and our technical team will assist with选型确认.
Q: What is your warranty policy?
A: We offer a 12-month global warranty covering manufacturing defects, with free replacement or refund available for non-conforming products.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, supporting emergency repair needs and small-batch purchases.
Q: How long does shipping take?
A: Samples ship in 3–5 days, bulk orders in 5–15 days. Global logistics options ensure timely delivery to your location.
Q: Can you provide custom bearings for specific applications?
A: Yes, we offer full OEM/ODM customization, including custom dimensions, precision levels, and materials to meet unique industrial requirements.
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