Product Specifications
| Parameter |
Details |
| Model NO. |
30311 |
| Lubrication |
Grease or Oil |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Vibration |
Z1V1 Z2V2 Z3V3 |
| Service |
OEM ODM |
| Transport Package |
Carton Pallet |
| Specification |
55*120*29 mm |
| HS Code |
8482200000 |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Textile Manufacturing |
Loom Machinery, Weaving Machines, Textile Spindles |
| Industrial Machinery |
Gearboxes, Reducers, Conveyors |
| Automotive |
Transmission Systems, Axles |
Prevent Loom Downtime with Precision Tapered Roller Bearings 30311-30313 for Textile Machinery
Textile manufacturers know the cost of unplanned downtime—loom machinery failures due to substandard bearings can halt production lines for hours, eroding profit margins and delaying orders. Many struggle with sourcing reliable tapered roller bearings that balance precision, durability, and delivery speed, especially when dealing with multiple suppliers for different bearing型号.
Engineered for Loom Machinery: Tapered Roller Bearings You Can Rely On
Our Tapered Roller Bearing 30311, 30312, and 30313 series are specifically designed to meet the rigorous demands of loom machinery. With precision grades from P0 to P4 and vibration levels up to Z3V3, these bearings deliver stable performance under the continuous rotational stress of textile production. Backed by our integrated manufacturing capabilities—from independent R&D to strict quality control—we ensure each bearing meets ISO, ABMA, and DIN standards, eliminating the risks of premature failure.
Optimal Performance in Textile Production Conditions
Loom machinery operates in environments with variable loads, moderate speeds, and occasional contamination from lint or dust. Our tapered roller bearings excel here, with their ability to handle both radial and axial loads efficiently. The 30311 model (55*120*29 mm) and its counterparts are engineered to maintain precision even under the cyclic stress of weaving operations, ensuring consistent thread tension and fabric quality. Choosing the right bearing directly impacts machine uptime and product consistency.
Key Technical Features That Matter for Loom Applications
Precision rating is critical for loom machinery: P4 grade bearings minimize radial runout, reducing vibration that can affect thread alignment and fabric defects. Vibration class Z3V3 ensures quiet operation, a must in textile facilities where noise levels are already high. The bearings accommodate both grease and oil lubrication, allowing flexibility based on maintenance schedules and operating conditions. Our strict incoming material inspection—using high-grade chrome steel—guarantees long service life, even in the 24/7 production cycles common in textile manufacturing.
The Hidden Costs of Choosing Inferior Bearings for Looms
Opting for low-quality tapered roller bearings may save on initial costs, but the long-term consequences are severe. Early bearing failure can lead to loom shutdowns costing thousands in lost production. Repairing damaged machinery components—such as shafts or housings—adds further expense, while inconsistent bearing performance results in defective fabrics and customer returns. Our bearings, certified under ISO 9001:2015, reduce total cost of ownership by minimizing downtime, lowering maintenance needs, and ensuring reliable operation for extended periods.
Why Textile Manufacturers Trust Saifan Bearings
With over 18 years of bearing manufacturing and export experience, we supply to textile industries across Europe, North America, and Southeast Asia. Our technical team provides free guidance on bearing selection and installation, helping you match the right 30311, 30312, or 30313 bearing to your specific loom model. We offer flexible order policies—1 piece MOQ for standard bearings and 3-5 day delivery for samples—supporting both emergency repairs and bulk production needs. All products come with a 12-month warranty, with free replacements for qualified defective items, ensuring peace of mind throughout the bearing lifecycle.
Packaging & Shipping
- Secure carton packaging with pallet reinforcement for bulk orders, protecting bearings during transit
- Sample orders shipped within 3-5 working days; bulk orders delivered in 5-15 working days
- Multiple logistics options including DHL, FedEx, UPS, air freight, and sea freight to match your timeline
- Real-time tracking number provided once shipment is dispatched
- 1 piece minimum order quantity available for emergency maintenance needs
Keep Your Looms Running—Order Today
Don’t let bearing issues disrupt your textile production. Whether you need the 30311, 30312, or 30313 model, we have the precision tapered roller bearings for your loom machinery in stock. Send us your requirements now to get a quote and ensure your production line stays operational.
Frequently Asked Questions
Q: Are these bearings genuine and traceable?
A: Yes, our bearings are manufactured in-house under strict ISO 9001:2015 quality control. Each product comes with batch traceability documentation to ensure authenticity.
Q: How do I confirm if the 30311 bearing fits my loom model?
A: Provide your loom's make and model, or the existing bearing dimensions, and our technical team will verify compatibility within 24 hours.
Q: What is the warranty period for these tapered roller bearings?
A: We offer a 12-month warranty from the date of delivery, covering manufacturing defects with free replacement or refund options.
Q: Can I order a single 30313 bearing for emergency repair?
A: Yes, standard bearings have a 1 piece MOQ, allowing for urgent maintenance needs without excess inventory costs.
Q: What shipping options are available for bulk orders to Europe?
A: We offer air freight (3-7 days) and sea freight (25-35 days) to major European ports, with door-to-door delivery via DHL/FedEx for smaller shipments.
Q: How do you ensure the precision grade of P4 bearings?
A: P4 grade bearings undergo comprehensive dimensional检测 and vibration testing in our in-house laboratory, with results documented for each batch.
Ready to order or need a quote?
Send your bearing model (30311/30312/30313), loom details, and quantity — we'll respond within 24 hours.
