-- SKF Authorized Engineering Partner
Keep your plastic machinery running smoothly with the reliable NSK Cylindrical Roller Bearing, designed to minimize downtime and maximize productivity. This NJ309E/NU309E model delivers long life, high-speed performance, and low noise—exactly what you need to keep operations efficient even under continuous use.
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| Parameter | Details |
|---|---|
| Model Number | 30318 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Service | OEM, ODM |
| Stock | Rich Stocks |
| Feature | Long Life, High Speed, Low Noise |
| Transport Package | Carton, Pallet |
| Specification | 90*190*46.5mm |
| Trademark | BDL |
| Origin | China |
| HS Code | 8482200000 |
| Production Capacity | 1000000 units |
| Industry | Typical Applications |
|---|---|
| Plastic Machinery | Extruder drive systems, injection molding machine gearboxes |
Selecting the right cylindrical roller bearing for plastic machinery can mean the difference between smooth production runs and costly downtime. Many buyers struggle with mismatched dimensions, substandard precision, or limited brand options—problems that lead to premature wear and unnecessary maintenance.
This NSK NJ309E/NU309E cylindrical roller bearing addresses these challenges with ISO 9001-certified manufacturing and interchangeable dimensions with major international standards. With rich stock availability, we eliminate long lead times, ensuring your plastic machinery stays operational. Its high-speed capability and low noise features make it ideal for extrusion and molding equipment where reliability is critical.
Designed to handle radial loads in continuous operation, this bearing thrives in plastic machinery applications where temperatures range from ambient to moderate heat. Its robust construction resists vibration (available in Z1V1 to Z3V3 grades), maintaining stability even in high-torque gearbox assemblies. Properly matched precision ratings (P0 to P2) ensure minimal clearance, preventing shaft misalignment that can damage machine components.
The 90x190x46.5mm dimensions provide a balance of load capacity and compact design, fitting standard plastic machinery configurations. Precision rating options allow customization—P0 for general use, P5/P4 for high-precision applications like film extrusion. Vibration grades Z2V2 and Z3V3 reduce operational noise, critical in factory settings. The long-life feature, achieved through controlled material quality and heat treatment, extends service intervals, lowering maintenance costs.
Choosing a low-quality cylindrical roller bearing may save upfront costs but often leads to hidden expenses: unplanned downtime for replacements, increased energy consumption from friction, and potential damage to adjacent parts. This bearing’s high-speed capability and low noise reduce wear on drive systems, while its precision manufacturing aligns with ISO standards for predictable performance. Investing in quality bearings lowers total cost of ownership by extending machinery lifespan and reducing maintenance requirements.
Our manufacturing process follows ISO 9001 standards, with strict raw material inspections and成品 testing for dimensions, hardness, and surface treatment. We stand behind our products with a warranty against manufacturing defects. As a full-service supplier, we offer both our BDL brand and access to international brands like NSK, NTN, and SKF, ensuring you get the exact bearing specified for your equipment. Rich stock levels mean we can fulfill orders quickly, minimizing production delays.
Whether you need the NSK NJ309E/NU309E model or another cylindrical roller bearing, provide us with your required model, dimensions, and quantity. Our team will respond promptly with pricing and availability. With access to full brand ranges and custom OEM/ODM services, we simplify your bearing procurement process.
Q: Do you supply bearings from other brands besides BDL?
A: Yes, we provide access to a wide range of international brands including NSK, NTN, Koyo, and SKF, as well as domestic Chinese brands, based on your specifications.
Q: How can I confirm if this bearing fits my plastic machinery?
A: Share your equipment make, model, or existing bearing dimensions (d x D x B), and our technical team will verify compatibility with the 90*190*46.5mm specification.
Q: What is your warranty policy for bearings?
A: We offer a warranty against manufacturing defects. Specific terms are detailed in our sales contract, covering replacement or refund for non-conforming products.
Q: What is the minimum order quantity for this bearing?
A: We support low minimum order quantities, including single-unit purchases for emergency repairs, with volume pricing available for larger orders.
Q: How quickly can you ship this bearing?
A: With rich stock availability, we typically ship in-stock bearings within 1-3 business days. Shipping time depends on your location and chosen logistics method.
Q: Do you offer custom bearing solutions (OEM/ODM)?
A: Yes, we provide OEM/ODM services, manufacturing bearings to your exact specifications, including custom dimensions, materials, and branding.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
Contact us via email or phone for immediate assistance.
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Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.
In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.
Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.
Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.
Performance Metrics
35%
Failures Prevented
70%
Downtime Reduction
25+
Years Experience
24h
Quote Response
78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.
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.
Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.
Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.
Free samples available for orders over $50K
Validated against your KPIs before full production commitment.
-- Get In Touch
Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.
Address
No. 377 Bansongyuan Road, Huangpu District, Shanghai, China
Free Sample Program
Orders over $50K qualify for free product samples
Test against your KPIs before full production commitment. Ask our engineers for details.
Regarding: NSK NJ309E NU309E Cylindrical Roller Bearing for Plastic Machinery
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