-- SKF Authorized Engineering Partner
Ensure smooth, high-speed performance in your machinery with durable RNA6900 Needle Bearings from BDL. Engineered to reduce noise and extend equipment lifespan, these alloy bearings deliver reliable operation even in demanding industrial settings, letting you focus on productivity without frequent maintenance interruptions.
15+ Certified Engineers On-Call
Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.
| Parameter | Details |
|---|---|
| Model Number | SHW21CA |
| Certification | EPA, CS, CE, RoHS, ISO 9001:2000, ISO 9001:2008 |
| Material | Alloy |
| Service | OEM ODM |
| Structure | Container Crane |
| Installation | All-Terrain Crane |
| Driven Type | AC |
| Running Mode | Moving |
| Feature | Insulating, Antiseptic, Long Life, High Speed, Low Noise |
| Transport Package | Carton Pallet |
| Trademark | BDL |
| Origin | China |
| HS Code | 8482102000 |
| Production Capacity | 1000000 |
| Industry | Typical Applications |
|---|---|
| Construction Machinery | Container Crane, All-Terrain Crane |
Finding the right needle roller bearings for heavy-duty applications like container cranes or all-terrain cranes can be challenging. Mismatched dimensions lead to installation delays, while low-quality alloys result in premature wear and unexpected downtime. Sourcing from multiple suppliers for different brands only adds complexity to your procurement process.
The BDL RNA6900 series needle roller bearings address these challenges with ISO 9001:2008 certified production and interchangeable dimensions with major international standards. Designed specifically for container cranes and all-terrain cranes, these bearings combine alloy construction with insulating and antiseptic features to withstand harsh operating environments. As a full-range bearing supplier, we maintain extensive inventory to support both small-scale repairs and large fleet maintenance needs.
These needle roller bearings excel in moving components of heavy machinery, where high radial loads and moderate speeds are common. The AC driven type compatibility ensures seamless integration with standard crane electrical systems, while the low noise operation contributes to improved worksite conditions. Whether operating in dusty construction sites or humid marine environments, the antiseptic properties help maintain performance over extended service intervals.
The alloy material composition provides a balance of surface hardness and toughness, critical for withstanding shock loads during crane lifting operations. The long-life design reduces the frequency of bearing replacements, directly lowering maintenance costs. High-speed capability ensures smooth operation even when the crane’s moving parts reach maximum operating velocities. Precision manufacturing tolerances guarantee consistent performance across the RNA6900, RNA6901, and RNA6902 models, allowing for easy interchangeability during repairs.
Choosing the BDL RNA6900 series needle roller bearings translates to lower total ownership costs compared to budget alternatives. Early bearing failure in container cranes can halt entire logistics operations, resulting in daily losses that far exceed the initial savings from cheap components. The ISO 9001 certified production process ensures each bearing meets strict quality criteria, reducing the risk of premature wear. By combining high load capacity with low maintenance requirements, these bearings deliver consistent performance while minimizing unplanned downtime.
Our production facilities operate under ISO 9001:2000 and 2008 standards, with comprehensive testing protocols covering raw material inspection through to final dimensional verification. Each bearing undergoes hardness testing and surface treatment checks to ensure compliance with specifications. We provide a standard warranty against manufacturing defects, with clear terms outlined in each sales agreement. As a multi-brand supplier, we can also source alternative needle roller bearings from international manufacturers if specific project requirements demand it. Our large-scale production capacity of 1,000,000 units annually ensures consistent availability for both standard and custom orders.
Whether you need RNA6900, RNA6901, RNA6902, or any other needle roller bearing model, provide us with your required specifications and quantity. Our team will confirm availability and deliver a competitive quote within 24 hours. Early order confirmation ensures priority processing and faster delivery to keep your equipment operational.
Q: Do you supply other bearing brands besides BDL?
A: Yes, we support inquiries for all major bearing brands and can source according to your specific brand requirements.
Q: How can I confirm if the RNA6900 series fits my crane?
A: Provide your equipment model and existing bearing dimensions, and our technical team will verify compatibility with the BDL RNA6900 series.
Q: What warranty do you offer on BDL needle roller bearings?
A: We provide a standard warranty against manufacturing defects, with terms detailed in each purchase contract.
Q: What is the minimum order quantity for RNA6900 series bearings?
A: We accept low minimum order quantities to support both small repairs and large-scale projects.
Q: How quickly can you ship the RNA6901 bearings?
A: Stock items are shipped within 1-2 business days; custom orders depend on production schedules.
Q: Can you produce custom needle roller bearings to specific drawings?
A: Yes, we offer OEM/ODM services for custom bearing requirements based on customer-provided specifications.
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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.
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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: BDL RNA6900 RNA6901 RNA6902 Needle Roller Bearings
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