-- SKF Authorized Engineering Partner
Ensure smooth, reliable performance in your machinery with precision-engineered NSK Cylindrical Roller Bearing models NJ214em, NJ215em, and NJ216em. Crafted from high-grade Bearing Steel, these single-row radial bearings deliver exceptional load capacity and reduced vibration, minimizing downtime and extending equipment lifespan.
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| Parameter | Details |
|---|---|
| Model Number | 693 |
| Bearing Type | Deep Groove Ball Bearings |
| Rows Number | Single |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Seals Type | Zz 2RS Open |
| Lubrication | Grease or Oil |
| Precision Rating | P0 P6 P5 P4 P2 |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Specification | 3*8*3 mm |
| Origin | Japan |
| HS Code | 8482102000 |
| Industry | Typical Applications |
|---|---|
| Automation Equipment | Small electric motors, precision conveyors |
| General Machinery | Light-duty rotating components, small pumps |
| Automotive | Accessory drives, instrument panels |
Finding the right bearings for your machinery can be challenging—especially when dealing with multiple brands and complex specifications. Many buyers face issues like incorrect dimensions leading to installation delays, or low-quality bearings that wear out prematurely, causing costly equipment downtime. Sourcing from multiple suppliers also wastes time and complicates inventory management.
Our NSK cylindrical roller bearings NJ214em, NJ215em, and NJ216em address these challenges with ISO 9001-certified manufacturing processes and comprehensive quality testing. As a full-range bearing supplier, we stock both international brands like NSK and domestic alternatives, enabling one-stop procurement for your industrial needs. These bearings are ideal for applications in steel冶金, automation equipment, and hydraulic systems where radial load capacity and precision are critical.
These cylindrical roller bearings excel in high-load environments with their single-row design and robust bearing steel construction. They accommodate radial loads efficiently, making them suitable for rotating shafts in gearboxes, electric motors, and industrial pumps. The open design allows for easy lubrication with grease or oil, ensuring adaptability to different operating temperatures and maintenance schedules.
The NJ-series bearings offer several engineering advantages: their precision rating options (from P0 to P2) allow selection based on application accuracy requirements, with tighter tolerances reducing vibration and noise in high-speed operations. The Z1V1 to Z3V3 vibration classes further ensure smooth performance, critical for precision machinery. Made from high-grade bearing steel, these components deliver excellent surface hardness and wear resistance, extending service life even under continuous use.
Selecting the correct bearing directly impacts your total operational costs. Inferior bearings with substandard material hardness or imprecise dimensions often fail early, leading to unplanned downtime and replacement expenses. Our NSK cylindrical roller bearings, with their rigorous quality control and adherence to international standards, minimize these risks. By reducing maintenance frequency and extending equipment life, they provide better long-term value compared to cheaper alternatives.
Our bearings undergo strict原材料检验 and finished product testing, including dimensional accuracy, hardness, and surface treatment checks. We provide a warranty period covering manufacturing defects, ensuring peace of mind for your采购. With extensive现货库存 and flexible procurement options, we can supply both standard NSK models and custom specifications to meet your exact requirements.
Whether you need NJ214em, NJ215em, NJ216em, or other bearing models, provide your required quantity and delivery location, and we’ll promptly share pricing and availability. Our team can also assist with cross-brand compatibility checks to ensure the right fit for your equipment.
Q: Do you supply other bearing brands and models?
A: Yes, we offer a full range of bearings including SKF, NTN, Koyo, and domestic brands. We can source any specified model to meet your requirements.
Q: How can I confirm if these bearings fit my machinery?
A: Provide your equipment’s bearing dimensions (d x D x B) or model number, and our technical team will verify compatibility with the NSK NJ-series specifications.
Q: What is your warranty policy?
A: We provide a warranty against manufacturing defects. Specific terms are detailed in each sales contract, with replacement or refund options for verified issues.
Q: What is the minimum order quantity?
A: We support low minimum order quantities, including small trial orders, to accommodate both maintenance needs and large-scale production requirements.
Q: How long does shipping take?
A: In-stock items ship within 1-3 business days. Delivery time depends on your location and chosen shipping method (courier, air, or sea freight).
Q: Do you offer OEM/ODM services?
A: Yes, we provide custom bearing solutions based on your technical drawings or specifications, including material and lubrication customizations.
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.
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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 Cylindrical Roller Bearing NJ214em NJ215em NJ216em
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