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Ensure smooth, reliable performance in your machinery with the NU205 Cylindrical Roller Bearing, crafted to minimize downtime and extend equipment life. This high-quality auto part delivers exceptional radial load handling—critical for high-stress applications like engineering hydraulic cylinders and construction machinery—thanks to its precision-engineered bearing steel construction and P0-P2 precision ratings.
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| Parameter | Details |
|---|---|
| Model Number | SI12C, SI12E, SIKAC12M |
| Bearing Type | Radial Spherical Plain Bearing |
| Material | Bearing Steel |
| Specification | 12*35*10mm (d x D x B) |
| Thickness | 5mm |
| Load Direction | Radial |
| Lubrication Type | Grease or Oil (Non Self-lubricating) |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration Level | Z1V1, Z2V2, Z3V3 |
| Outer Structure | Whole Outer Ring |
| Rod End | Rod End |
| Stock Availability | Rich Stocks |
| Service Options | OEM, ODM |
| Trademark | BDL |
| Origin | China |
| HS Code | 8482102000 |
| Industry | Typical Applications |
|---|---|
| Construction Machinery | Hydraulic cylinder pivot points, articulated joints |
| Automotive | Shock absorber linkages |
| Industrial Machinery | Forging machine components, automation equipment actuators |
| Heavy Equipment | Water conservancy machinery articulation points |
Finding the right radial spherical plain bearing for demanding applications like hydraulic cylinders or construction machinery often means navigating mismatched dimensions, inconsistent quality, or limited brand options. Many buyers face costly downtime when bearings fail prematurely due to poor material hardness or imprecise manufacturing. Sourcing from multiple suppliers to compare specifications only adds complexity to the procurement process.
The SI12C, SI12E, and SIKAC12M radial spherical plain bearings address these challenges with bearing steel construction and precision manufacturing. As a supplier with access to full product lines across major international and domestic brands, we offer these cylindrical roller bearings in stock, supporting quick turnaround for both OEM and maintenance needs. Their 12*35*10mm dimensions make them ideal for engineering hydraulic cylinders and automation equipment where radial load capacity and misalignment tolerance are critical.
These bearings excel in applications involving slow to moderate oscillating movements, such as the articulation points in construction machinery or shock absorber linkages in automotive systems. The whole outer ring design provides structural integrity under radial loads, while the non self-lubricating configuration allows for grease or oil lubrication—suited for environments where regular maintenance access is available. With vibration levels rated up to Z3V3, they minimize operational noise in precision equipment.
The bearing steel material ensures surface hardness and wear resistance, critical for withstanding the repetitive stresses in forging machines and water conservancy machinery. Precision ratings from P0 to P2 allow customization based on application requirements—P5 or P4 grades for automation equipment where dimensional accuracy is paramount, and P0 for general industrial use. The 5mm thickness and 12mm bore diameter balance load capacity with compact installation, while the radial spherical design accommodates minor misalignments, reducing installation stress.
Choosing the right radial spherical plain bearing directly affects equipment uptime and maintenance costs. Inferior bearings with substandard material hardness often develop play or seize prematurely, leading to unplanned shutdowns and replacement labor. The SI12 series, manufactured to ISO 9001 standards, undergoes rigorous dimension and hardness testing to ensure consistent performance. While initial cost is a consideration, the long-term reliability of these bearings reduces the total cost of ownership by minimizing replacement frequency and associated downtime.
Our production and inspection processes adhere to ISO 9001 standards, with comprehensive testing of raw materials and finished products for dimensions, hardness, and surface treatment. We provide a warranty period covering manufacturing defects, ensuring customer confidence in every order. With rich stock availability, we support both small-batch and large-volume orders, and our OEM/ODM capabilities allow customization to specific application requirements. As a full-range bearing supplier, we can source and supply according to customer-specified brands or standards.
Whether you need SI12C, SI12E, SIKAC12M, or equivalent radial spherical plain bearings, we can provide competitive pricing and fast delivery. Share your required model, quantity, and destination, and our team will confirm stock availability and lead time. With our extensive brand coverage, we can also assist with cross-referencing or sourcing alternative specifications to meet your equipment needs.
Q: Do you supply bearings from other brands besides BDL?
A: Yes, we offer full-range procurement across international brands (including SKF, NSK, NTN, Koyo, NACHI, IKO, FAG, Timken) and domestic优质 brands, supporting customer-specified brand or model requirements.
Q: How can I confirm if the SI12 series fits my equipment?
A: Provide your equipment’s bearing dimensions (d x D x B), load requirements, and application details. Our technical team will verify compatibility with the SI12C/SI12E/SIKAC12M specifications.
Q: What is your warranty policy for these bearings?
A: We provide a warranty covering manufacturing defects. Specific terms are detailed in each sales contract, with replacement or refund available for verified quality issues.
Q: What is the minimum order quantity for the SI12 series?
A: We support low minimum order quantities, including small-batch purchases for maintenance or trial purposes. Contact us with your requirements for exact terms.
Q: How quickly can you ship after ordering?
A: Stock items are dispatched within 1-2 business days. Shipping time depends on the selected method—express for urgent needs, or sea freight for cost-effective bulk orders.
Q: Can you produce custom bearings to specific drawings?
A: Yes, we offer OEM/ODM services for custom bearing designs. Provide your technical drawings or specifications, and we can develop a solution tailored to your application.
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.
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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.
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