Product Specifications
| Parameter |
Details |
| Model NO. |
30313, 30314, 30315, 30316, 30317 |
| Precision Rating |
P0, P6, P5, P4, P2 |
| Vibration |
Z1V1, Z2V2, Z3V3 |
| Feature |
Long Life, High Speed, Low Noise |
| Specification |
45*140*33 mm |
| Origin |
China |
| HS Code |
8482200000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Gearboxes, Reducers, Conveyors |
| Automotive |
Transmission Systems, Axles |
| Agricultural Machinery |
Tractors, Harvesters |
| Engineering Equipment |
Excavators, Loaders |
Eliminate Downtime with High-Precision Stainless Steel Tapered Roller Bearings 30313-30317
Industrial machinery operators know the cost of unexpected bearing failure—hours of production loss, expensive repairs, and missed deadlines. When standard bearings fail under heavy loads or high speeds, it’s often due to poor precision or inadequate material quality. Sourcing reliable bearings with flexible MOQs and fast delivery can be another challenge, especially for urgent maintenance needs.
Stainless Steel Tapered Roller Bearings Engineered for Industrial Durability
Our Stainless Steel Tapered Roller Bearings 30313-30317 are designed to solve these pain points. With precision grades from P0 to P4 and vibration levels up to Z3V3, these bearings deliver stable performance in high-speed industrial applications. Backed by Jinan Saifan Bearing’s 18 years of manufacturing experience, we maintain rich stocks for quick fulfillment—sample orders ship in 3-5 working days, and bulk orders in 5-15 days. Whether you need a single bearing for emergency repair or bulk quantities for production, our 1-piece MOQ policy ensures you get exactly what you need, when you need it.
Optimal Performance in Heavy-Duty Industrial Conditions
Tapered roller bearings excel in applications with combined radial and axial loads, making them ideal for industrial machinery like gearboxes, reducers, and conveyors. The 30313-30317 series, with its 45*140*33 mm specification, is engineered to withstand high-speed rotation while minimizing noise—critical for maintaining productivity in manufacturing environments. Constructed from high-grade stainless steel, these bearings offer enhanced corrosion resistance, extending service life in demanding conditions compared to standard carbon steel alternatives.
Technical Precision That Drives Reliability
The performance of these bearings is defined by key technical attributes. Precision ratings from P0 (standard) to P4 (high precision) ensure tight dimensional control, reducing vibration and improving machine accuracy. Vibration classes Z1V1 to Z3V3 further enhance operational smoothness, critical for high-speed equipment where excess noise and vibration can lead to premature wear. The long-life design, achieved through premium raw materials and mature production technology, aligns with ISO, ABMA, and DIN international standards, ensuring compatibility with global industrial equipment.
Why Compromising on Bearing Quality Costs More in the Long Run
Choosing low-quality bearings may seem cost-effective initially, but the hidden costs add up. Early failures can cause secondary damage to shafts, housings, and other components, leading to higher repair bills. Production downtime during maintenance further erodes profits. Our bearings, certified under ISO 9001:2015 and ISO 14001 standards, undergo rigorous quality control—from raw material inspection to full-process production supervision and post-manufacturing performance testing. This commitment to quality reduces the risk of unexpected failures, lowering your total cost of ownership.
Your Trusted Partner for Industrial Bearings
With over 18 years in the industry, Jinan Saifan Bearing serves customers across Europe, North America, Southeast Asia, and the Middle East. Our integrated capabilities—from independent R&D to mass production and global sales—ensure consistent quality and supply. We offer OEM/ODM customization to adjust dimensions, housing, and packaging to your exact specifications. Our professional technical team provides free guidance on selection, installation, and maintenance, while our 12-month warranty covers manufacturing defects, with free replacements or refunds available for qualified issues.
Packaging & Shipping
- Secure packaging in cartons with pallet reinforcement to prevent damage during transit
- Sample orders shipped within 3-5 working days; bulk orders within 5-15 working days
- Flexible shipping options including DHL, FedEx, UPS, air freight, and sea freight
- Real-time logistics tracking provided for all orders
- 1-piece MOQ for standard bearings, supporting both emergency repairs and small-batch purchases
Get Your Stainless Steel Tapered Roller Bearings Today
Don’t let bearing issues disrupt your operations. Whether you need the 30313, 30314, 30315, 30316, or 30317 model, our in-stock inventory ensures fast delivery. Send us your bearing model, application details, and quantity, and our team will provide a quote within 24 hours. The sooner you order, the sooner you can get back to seamless production.
Frequently Asked Questions
Q: Are these bearings genuine and traceable?
A: Yes, all our bearings are manufactured in our Jinan facility under strict quality control. We provide full production and quality inspection documentation for traceability, and our factory is certified with ISO 9001:2015 and ISO 14001.
Q: How can I confirm if the 30313-30317 series fits my equipment?
A: Our technical team can help verify compatibility. Provide your equipment model, load requirements, and operating speed, and we’ll confirm the right bearing specification for your application.
Q: What is the warranty policy for these bearings?
A: We offer a 12-month warranty from the date of delivery. Defective products due to manufacturing issues will be replaced free of charge or refunded, as per your preference.
Q: What is the minimum order quantity?
A: The minimum order quantity for standard bearings is 1 piece, making it easy to source single units for emergency repairs or small-scale projects.
Q: How long does shipping take to [my country]?
A: Sample orders ship within 3-5 working days, with delivery times varying by location (typically 3-7 days via express). Bulk orders take 5-15 working days to produce before shipping.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
