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Keep your loom running at peak efficiency with the Timken 30311-30313 Tapered Roller Bearing—designed to minimize downtime and maximize productivity for textile operations. This Timken 30311-30313 Loom Bearing delivers long-lasting performance even under the high-speed, repetitive stress of loom machinery, ensuring smooth rotation and reducing the risk of unexpected breakdowns.
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| Parameter | Details |
|---|---|
| Model Number | 6311/6312/6313/6314/6315 |
| Outer Dimension | Medium and Large(120-190mm) |
| Material | Bearing Steel |
| Spherical | Non-Aligning Bearings |
| Load Direction | Radial Bearing |
| Separated | Unseparated |
| Product Name | NTN/NSK/Koyo/NACHI/Timken Roller Bearing |
| Lubrication | Grease or Oil |
| Precision Rating | P0 P6 P5 P4 P2 |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Feature | Long Life, High Speed, Low Noise |
| Stock | Rich Stocks |
| Transport | by Sea or by Air |
| Service | OEM ODM |
| Trademark | NTN/NSK/KOYO/NACHI/TIMKEN |
| Origin | China |
| HS Code | 8482102000 |
| Industry | Typical Applications |
|---|---|
| Textile Machinery | Loom equipment operations |
Procuring the correct roller bearing for loom machinery often means navigating through countless models across different brands, each with varying dimensions and specifications. Mismatched bearings lead to premature wear, unexpected downtime, and increased maintenance costs—common challenges that textile manufacturers face daily. Sourcing from multiple suppliers to compare options only adds complexity to an already time-consuming process.
The Timken 30311-30313 Tapered Roller Bearing addresses these pain points by offering reliable performance tailored for loom operations. With ISO 9001 certified production and inspection processes, this bearing meets strict quality standards, ensuring compatibility with major international dimensional specifications. Our extensive inventory includes a range of models (6311 to 6315) to cover various loom sizes, eliminating the need for multi-supplier sourcing.
Designed as a radial bearing with non-aligning properties, this tapered roller bearing excels in the moderate to heavy load environments typical of loom equipment. Operating within outer dimensions of 120-190mm, it handles the radial forces generated during continuous weaving cycles while maintaining low noise levels—critical for factory floor environments. The unseparated design ensures stability during high-speed rotations, a common requirement in modern textile production lines.
Bearing steel construction provides the hardness (typically 58-62 HRC) needed to resist wear from textile fibers and debris, extending service life in dusty conditions. Precision ratings from P0 to P2 allow customization based on loom accuracy requirements—higher precision grades (P4/P2) suit high-speed precision looms, while standard grades (P0/P6) work well for general applications. Vibration classes Z1V1 to Z3V3 further refine performance, with Z3V3 offering the smoothest operation for sensitive machinery. Lubrication flexibility (grease or oil) allows adaptation to specific maintenance protocols and operating temperatures.
Choosing the right tapered roller bearing directly impacts total cost of ownership. A quality bearing like the 30311-30313 reduces unplanned downtime by minimizing early failures—a critical factor in textile manufacturing where production interruptions can lead to missed deadlines. Properly matched precision and load capacity prevent excessive vibration, which can damage adjacent components and reduce fabric quality. While initial costs may be higher than lower-grade alternatives, the extended service life and reduced maintenance requirements result in lower long-term expenses.
Our production processes adhere to ISO 9001 standards, with rigorous testing at every stage—from raw material inspection to final dimension and hardness checks. Each bearing undergoes surface treatment evaluation to ensure corrosion resistance in textile mill environments. We provide a warranty against manufacturing defects, with clear terms outlined in each order. Our supply chain includes both international brands (NTN, NSK, Timken) and domestic manufacturers, allowing us to fulfill orders for specific brand specifications. With rich stock availability, we can typically ship standard models within 1-3 business days.
Whether you need the Timken 30311-30313 specifically or require assistance identifying the right tapered roller bearing for your loom, our technical team can help. Provide your loom model, required dimensions, and quantity, and we’ll deliver a competitive quote with lead time details. Early order confirmation ensures priority processing and timely delivery to keep your production on schedule.
Q: Can you supply other bearing brands or models for textile machinery?
A: Yes, we offer comprehensive sourcing for all major bearing brands including SKF, NSK, NTN, Koyo, NACHI, IKO, FAG, Timken, and domestic Chinese manufacturers. We can provide bearings according to your specific brand or model requirements.
Q: How do I confirm if this bearing fits my loom?
A: Provide your loom’s make, model, and the original bearing part number if available. Our technical team will cross-reference dimensions and load ratings to verify compatibility with the 30311-30313 or recommend alternatives if needed.
Q: What is your warranty policy for these bearings?
A: We provide a warranty against manufacturing defects. The specific duration and terms are outlined in each sales contract, typically covering material and workmanship issues that affect performance under normal operating conditions.
Q: What is the minimum order quantity for this bearing?
A: We support low minimum order quantities, including single-unit purchases for emergency replacements. Larger quantity discounts are available for production-scale orders.
Q: How quickly can you ship the Timken 30311-30313 bearing?
A: Since we maintain rich stock levels, standard models are usually available for same-day or next-day dispatch. Shipping time depends on your location—air freight typically takes 3-7 days, while sea freight varies by destination.
Q: Do you offer custom bearing solutions for specialized looms?
A: Yes, we provide OEM and ODM services for custom bearing requirements. This includes modifications to standard designs or fully custom bearings based on your technical drawings and specifications.
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In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.
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Performance Metrics
35%
Failures Prevented
70%
Downtime Reduction
25+
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Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.
Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.
IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.
Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.
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