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Ensure smooth, long-lasting operation for your heavy machinery with reliable 21317-21324CAK W33 Self-Aligning Roller Bearings. These bearings minimize downtime by accommodating misalignment and handling radial loads with precision, thanks to their self-lubricating design that reduces maintenance needs.
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| Parameter | Details |
|---|---|
| Model Number | Suc201 Suc203 |
| Bearing Type | Spherical Plain Bearing |
| Material | Bearing Steel |
| Sliding Contact | Steel-on-Steel |
| Lubrication Type | Self-lubricating |
| Load Direction | Radial Spherical Plain Bearing |
| Outer Structure | Whole Outer Ring |
| Rod End | General |
| Specification | 260*370*150 mm |
| Features | High Precision, Long Life, Low Noise |
| Package | Neutral Packing Bearing |
| Transport Package | Carton Pallet |
| Origin | China |
| HS Code | 8482101000 |
| Industry | Typical Applications |
|---|---|
| Construction Machinery | Hydraulic cylinder articulation points, boom pivot joints |
| Automobile | Shock absorber linkages |
| Industrial Machinery | Forging machine press components, automation equipment pivot points |
| Water Conservancy | Irrigation system actuators, sluice gate mechanisms |
Many buyers struggle with finding bearings that match exact dimensions across different manufacturers, especially when dealing with both metric and imperial standards. Frequent lubrication requirements in hard-to-reach installations add maintenance costs, while substandard materials often lead to premature wear and unexpected equipment downtime. Sourcing from multiple suppliers to compare options further complicates the procurement process.
The 21317-21324CAK W33 self-aligning roller bearings address these challenges through their self-lubricating design, eliminating the need for regular grease application in difficult-to-maintain positions. With interchangeable dimensions following international standards, they fit seamlessly into existing equipment setups, reducing installation errors. Our ISO 9001-certified production ensures consistent quality, while our extensive network covers both proprietary and major global brands, providing a single-source solution for diverse bearing needs.
These bearings excel in applications involving radial loads with moderate axial loads, such as engineering hydraulic cylinders and construction machinery pivot points. Their self-aligning capability accommodates shaft misalignment up to 3 degrees, making them ideal for equipment subject to dynamic operational stresses. The steel-on-steel sliding contact ensures durability under high load conditions, while the whole outer ring structure enhances stability in vibration-prone environments like forging machines and automation systems.
The bearing steel construction provides a surface hardness that resists wear even under continuous operation, directly contributing to the long service life specified. The self-lubricating design incorporates solid lubricant inserts that maintain consistent friction characteristics throughout the bearing’s lifespan, reducing the risk of seizing in low-maintenance applications. Precision manufacturing ensures the 260*370*150 mm dimensions adhere to tight tolerances, allowing for direct replacement in existing assemblies without modification. The low noise operation is achieved through optimized rolling element profiles that minimize vibration during rotation.
Selecting the correct self-aligning roller bearing directly impacts operational costs. While initial price point is a consideration, the high precision and durability of these bearings reduce replacement frequency compared to lower-quality alternatives. The self-lubricating feature eliminates scheduled maintenance intervals, cutting labor costs and reducing equipment downtime. Properly matched bearings also prevent excessive shaft wear and damage to adjacent components, avoiding costly secondary repairs. Following ISO 281 load rating standards, these bearings provide predictable service life under specified operating conditions, aiding in maintenance planning and inventory management.
Our production processes adhere to ISO 9001 quality management standards, with rigorous inspection protocols for raw materials and finished products. Each bearing undergoes dimensional accuracy checks using precision measuring equipment, while hardness testing ensures material properties meet specifications. Surface treatment inspections verify corrosion resistance and friction characteristics. We provide a warranty period covering manufacturing defects, with clear procedures for replacement or return if issues arise. Our procurement channels include both our proprietary BDL brand and access to international standards-compliant products, allowing us to fulfill orders for specific brand requirements when needed. With substantial inventory on hand, we can accommodate both urgent and planned orders efficiently.
Whether you need this specific self-aligning roller bearing model or require assistance identifying the correct replacement for your equipment, our technical team can help verify compatibility based on your application requirements. Provide the bearing model, quantity, and delivery location, and we’ll promptly offer pricing and availability. With our comprehensive inventory and multi-brand sourcing capability, we can fulfill most bearing requirements without delays.
Q: Can you supply bearings from other brands besides BDL?
A: Yes, we offer a full range of bearing brands including international and domestic options. We can source specific brands according to your requirements.
Q: How do I confirm if this bearing will fit my equipment?
A: Provide your equipment model or existing bearing dimensions (inner diameter, outer diameter, width), and our technical team will verify compatibility with the 21317-21324CAK W33 specifications.
Q: What is your warranty policy for these bearings?
A: We provide a warranty against manufacturing defects. The specific warranty period and terms will be detailed in your order confirmation and sales contract.
Q: What is the minimum order quantity for this bearing?
A: We support low minimum order quantities, including single-unit purchases for emergency replacements or small-scale projects.
Q: How quickly can you ship this bearing?
A: Stock items are typically shipped within 1-2 business days. Shipping time depends on your location and chosen delivery method.
Q: Do you offer custom bearing solutions?
A: Yes, we provide OEM and ODM services for custom bearing requirements. Contact us with your specific design or performance criteria.
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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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