Product Specifications
| Parameter |
Details |
| Model NO. |
31305 |
| Lubrication |
Grease or Oil |
| Precision Rating |
P0, P6, P5, P4, P2 |
| Vibration |
Z1V1, Z2V2, Z3V3 |
| Service |
OEM, ODM |
| Transport Package |
Carton, Pallet |
| Specification |
25*62*17 mm |
| Origin |
China |
| HS Code |
8482200000 |
Application Industries
| Industry |
Typical Equipment |
| Motorcycle Manufacturing |
Transmission systems, wheel hubs, drive axles |
Motorcycle Tapered Roller Bearings 31305-31307: Stop Premature Failures in Critical Drivetrain Components
Motorcycle drivetrains demand bearings that withstand radial and axial loads simultaneously—yet many riders face unexpected breakdowns due to low-quality tapered roller bearings. When bearings fail prematurely, repair costs mount, riding time is lost, and safety risks increase. For manufacturers and repair shops, sourcing reliable bearings with consistent precision and flexible order options remains a persistent challenge.
Precision-Engineered Tapered Roller Bearings for Motorcycle Performance
Our Motorcycle Tapered Roller Bearings (31305, 31306, 31307) address these pain points with P0-P4 precision grades and grease lubrication optimized for motorcycle applications. As a professional bearing manufacturer with decades of export experience, we offer 1-piece MOQ for standard bearings, ensuring you can secure critical replacements without overstocking. Whether for OEM production or aftermarket repair, our bearings deliver the stability needed for smooth power transmission in motorcycles.
Engineered for Motorcycle Drivetrain Demands
Motorcycle drivetrains operate under dynamic conditions: rapid acceleration, varying loads, and high rotational speeds. Our Tapered Roller Bearings are designed to handle both radial and axial forces, making them ideal for wheel hubs, transmissions, and drive axles. The 31305 model (25*62*17 mm) balances compact size with load capacity, while Z2-Z3 vibration grades minimize noise—critical for rider comfort and component longevity.
Technical Specifications That Matter for Reliability
Precision grade directly impacts performance: P0 bearings suit standard applications, while P4 precision ensures tighter tolerances for high-performance motorcycles, reducing vibration and extending service life. Vibration classes (Z1V1 to Z3V3) control operational noise, a key consideration for street bikes and touring models. Our bearings support both grease and oil lubrication, allowing customization to match specific motorcycle manufacturers’ requirements. With strict incoming material inspection and full-process production supervision, each bearing meets ISO industrial standards for consistent quality.
Why Cutting Corners on Bearings Costs More in the Long Run
Low-quality tapered roller bearings may save on initial costs, but they often fail early due to poor material quality and imprecise manufacturing. A single bearing failure can damage关联 components like gears and axles, leading to costly repairs and downtime. Our bearings use high-grade chrome steel and undergo comprehensive performance testing, including dimensional checks and service life experiments. This focus on quality reduces total ownership costs by minimizing replacement frequency and maintenance needs.
Why Global Buyers Choose Saifan Bearings
With ISO 9001:2015 and ISO 14001 certifications, we maintain rigorous quality control from raw material to finished product. Our professional technical team offers free guidance on bearing selection and installation, ensuring optimal fit for your motorcycle models. We support OEM/ODM customization, adjusting dimensions and packaging to match customer drawings. For distributors, we provide free samples (freight borne by customer) and efficient delivery—3-5 working days for samples, 5-15 for bulk orders. Our 12-month warranty covers manufacturing defects, with free replacements or refunds available for qualified issues.
Packaging & Shipping
- Standard packaging: Carton with pallet reinforcement for bulk orders
- Sample orders shipped in protective individual boxes
- Sample delivery: 3-5 working days; bulk orders: 5-15 working days
- Multiple logistics options: DHL, FedEx, UPS, air, or sea freight
- 1 piece MOQ for standard bearings, supporting small-batch and emergency orders
Get the Right Bearing for Your Motorcycle Application
Whether you’re manufacturing motorcycles or repairing drivetrains, the right bearing ensures performance and safety. Send us your required model (31305, 31306, 31307), precision grade, and quantity—our team will provide a quote within 24 hours. Don’t let bearing failures disrupt your operations—secure reliable, precision-engineered bearings today.
Frequently Asked Questions
Q: Are these bearings suitable for high-performance motorcycles?
A: Yes, with P4 precision grade and Z3V3 vibration control, our bearings meet the demands of high-performance applications, including sport bikes and off-road motorcycles.
Q: Can I customize the lubrication type for specific motorcycle models?
A: Yes, we support both grease and oil lubrication options to match your design requirements. Contact our technical team with your specifications.
Q: What is your warranty policy for these bearings?
A: We offer a 12-month warranty from the date of delivery, covering manufacturing defects. Qualified defective products can be replaced free of charge or refunded.
Q: Do you provide technical support for bearing selection?
A: Yes, our professional technical team offers free guidance on bearing selection, installation, and maintenance based on your motorcycle’s specific operating conditions.
Q: What is the minimum order quantity for the 31305 bearing?
A: The minimum order quantity for standard bearings is 1 piece, supporting both small-batch purchases and large-scale production needs.
Ready to order or need a quote?
Send your bearing model, precision grade, and quantity to sales02@saifan-group.com — we’ll respond within 24 hours.
