NACHI 6305-2NSE9 Deep Groove Ball Bearing for Heavy Machinery
Keep your heavy machinery running smoothly with the reliable performance of the NACHI 6305-2NSE9 Bearing, designed to deliver long life and low noise even under demanding conditions. Its single-row, non-aligning design ensures consistent radial load handling, while the 25*62*17 mm specification fits seamlessly into standard industrial setups.
- Precision-rated P0-P4 options minimize vibration (Z1V1-Z3V3) for stable operation
- Sealed with Zz/2RS or open variants to suit grease or oil lubrication needs
- Made from high-quality bearing steel for durability in harsh environments
- Rich stock availability means quick shipping by sea or air to keep your workflow on track
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 6305 |
| Bearing Type | Deep Groove Ball Bearing |
| Seals Type | Zz, 2RS, Open |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Feature | Long Life, High Speed, Low Noise |
| Stock | Rich Stocks |
| Transport | by Sea or by Air |
| Service | OEM, ODM |
| Aligning | Non-Aligning Bearing |
| Separated | Unseparated |
| Rows Number | Single |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Contact Angle | 0° |
| Transport Package | Carton, Pallet |
| Specification | 25*62*17 mm |
| Trademark | NACHI |
| Origin | Japan |
| HS Code | 8482102000 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Heavy Machinery | Conveyor systems, gearboxes, hydraulic pumps |
| Automation | Rotary tables, electric motors, machine tool spindles |
| Industrial Equipment | Compressors, fans, material handling equipment |
Tired of Bearing Failures in Heavy Machinery? The NACHI 6305-2NSE9 Solution
When heavy machinery grinds to a halt due to bearing issues, the cost adds up quickly—lost productivity, maintenance overtime, and unexpected replacements. Many procurement teams struggle with mismatched dimensions, inconsistent quality, or limited brand options when sourcing critical components like deep groove ball bearings. As someone who’s worked in industrial supply for years, I’ve seen how the wrong bearing choice can turn a routine operation into a costly headache.
Engineered for Reliable Performance in Demanding Conditions
The NACHI 6305-2NSE9 deep groove ball bearing addresses these challenges head-on. With ISO 9001-certified manufacturing processes and strict quality control—including raw material inspection and成品尺寸/硬度 testing—this bearing delivers consistent performance. Our extensive inventory ensures quick availability, while our ability to source across international brands (including SKF, NSK, NTN, and more) means you can get the exact specification you need without juggling multiple suppliers. Whether it’s powering a conveyor in a manufacturing plant or supporting a hydraulic motor in construction equipment, this bearing is built to handle heavy radial loads and high speeds with minimal noise.
Optimal Performance in High-Speed, Heavy-Load Applications
This deep groove ball bearing excels in applications where reliability under stress is non-negotiable. Operating at speeds up to its dynamic load capacity, it maintains stability even in environments with moderate vibration (rated Z1V1 to Z3V3 for different precision needs). The 0° contact angle ensures pure radial load handling, making it ideal for machinery like centrifugal pumps, electric motors, and gearboxes where axial loads are minimal. Its single-row design and unseparated structure simplify installation, reducing downtime during maintenance.
Key Engineering Details That Impact Longevity
Three critical features set the NACHI 6305-2NSE9 apart: precision, material, and sealing. Available in precision classes from P0 (standard) to P4 (high precision), it meets tight tolerance requirements for machinery where alignment is critical. Constructed from high-grade bearing steel, it offers superior hardness and wear resistance compared to lower-quality alternatives, directly contributing to its long service life. The versatile seal options—Zz (metal shield), 2RS (rubber seal), or open—allow customization based on environmental conditions: Zz for clean, dry settings, 2RS for dusty or moist environments, and open for applications requiring frequent relubrication with grease or oil.
Why Choosing the Right Bearing Lowers Total Cost
Opting for a quality bearing like the NACHI 6305-2NSE9 might seem like a higher upfront investment, but it pays off in reduced total cost of ownership. Inferior bearings often fail prematurely due to substandard material hardness or imprecise manufacturing, leading to unexpected shutdowns. This bearing’s robust design minimizes early wear, while its low-noise operation indicates balanced internal components—both signs of a product that will outlast cheaper alternatives. By following ISO 281 guidelines for bearing life calculation, you can expect predictable performance, allowing for planned maintenance instead of emergency repairs.
Quality You Can Trust, Backed by Rigorous Standards
Our commitment to quality starts with the manufacturing process: every NACHI 6305-2NSE9 bearing undergoes dimensional accuracy checks, hardness testing, and surface finish inspection before leaving the factory. We stand behind our products with a warranty covering manufacturing defects, ensuring you receive a reliable component. With rich stocks available for immediate shipment, we support both small-batch orders and large-scale procurement, making us a flexible partner for your bearing needs. Whether you require OEM/ODM customization or specific brand equivalents, our sourcing network ensures you get the right bearing for your application.
Packaging & Shipping
- Packaged in cartons with optional palletization for bulk orders
- Available from stock for prompt dispatch
- Shipping options include sea freight for large quantities and air freight for urgent orders
- Low minimum order quantity supported, ideal for both maintenance and production requirements
Get a Quote for Your NACHI 6305-2NSE9 Bearing Today
Don’t let bearing issues slow down your operations. Whether you need the NACHI 6305-2NSE9 or another model, provide us with your required specifications—including dimensions, quantity, and application details—and we’ll deliver a competitive quote with lead time. Our team can also assist with cross-referencing part numbers or confirming compatibility with your equipment. The sooner you reach out, the sooner we can secure your order from our available stock.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides NACHI?
A: Yes, we source across a wide range of international brands including SKF, NSK, NTN, Koyo, IKO, FAG, Timken, and domestic Chinese brands. We can provide bearings according to your specified brand or model.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment model or the bearing dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with the NACHI 6305-2NSE9 specifications.
Q: What is your warranty policy for bearings?
A: We offer a warranty against manufacturing defects. Specific terms, including duration, are outlined in our sales contract. Defective products can be replaced or refunded upon inspection.
Q: What is the minimum order quantity for this bearing?
A: We support low
- Product Name
- NACHI 6305-2NSE9 Deep Groove Ball Bearing for Heavy Machinery
- Category
- Deep Groove Ball Bearing
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Our engineers will respond within 12 hours with a tailored solution.
Request QuoteGeneral Specifications
| Bearing Type | Deep Groove Ball Bearing |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
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Application Design
EngineeringOur engineers analyze your operating conditions -- load, speed, temperature, environment -- and select or design the optimal bearing solution to maximize service life and reduce total cost of ownership.
Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
The engineering partner advantage
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NACHI 6305-2NSE9 Deep Groove Ball Bearing for Heavy Machinery
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