-- SKF Authorized Engineering Partner
Ensure smooth, reliable operation even under misalignment with our high-quality 21310-21314CAK W33 Self-Aligning Roller Bearing. Crafted from durable Bearing Steel, this radial bearing handles heavy loads with precision, reducing downtime and extending equipment life in industrial applications.
15+ Certified Engineers On-Call
Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.
| Parameter | Details |
|---|---|
| Model Number | Factory 32017X 33017 33117 |
| Bearing Type | Taper Roller Bearing |
| Bore Size | 15-240 mm |
| Outer Dimension | 35mm-400mm |
| Specification | 40*68*19 mm |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
| Spherical | Non-Aligning Bearings |
| Separated | Separated |
| Lubrication | Grease or Oil |
| Precision Rating | P0 P6 P5 P4 P2 |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Trademark | BDL |
| Origin | China |
| HS Code | 8482200000 |
| Industry | Typical Applications |
|---|---|
| Automotive | Axle systems, transmission components |
| Industrial Machinery | Conveyor systems, gearboxes |
| Steel Metallurgy | Rolling mill equipment, heavy-duty gear reducers |
| Construction | Heavy equipment pivot points, hydraulic systems |
Selecting the right self-aligning roller bearing can be challenging when faced with inconsistent quality and limited supplier options. Many buyers encounter premature bearing failure due to substandard materials or incorrect precision ratings, leading to costly downtime. Sourcing from multiple suppliers for different brands only adds complexity to the procurement process.
The 21310-21314CAK W33 self-aligning roller bearing addresses these challenges through ISO 9001 certified manufacturing processes and strict quality control. Our comprehensive inventory includes this bearing type alongside a full range of bearings, allowing for one-stop sourcing. Ideal for applications like conveyor belt systems and industrial gearboxes, it handles radial loads efficiently while accommodating minor misalignments.
This self-aligning roller bearing excels in environments with moderate to heavy radial loads and potential shaft misalignment, such as in mining equipment or steel mill machinery. Operating temperatures compatible with standard industrial lubricants (grease or oil) make it versatile for both indoor and outdoor applications. The separated design allows for easier installation and maintenance, reducing assembly time.
Bearing steel construction ensures high surface hardness and wear resistance, critical for extending service life under continuous operation. The W33 designation indicates a lubrication groove and three oil holes in the outer ring, facilitating efficient lubricant distribution and reducing friction. Precision ratings from P0 to P2 allow customization based on application requirements—P5 or P4 grades are recommended for high-speed machinery where rotational accuracy is paramount. The non-aligning spherical design provides stability in systems where shaft alignment cannot be perfectly maintained.
Choosing a low-quality self-aligning roller bearing may seem cost-effective initially, butOften leads to increased maintenance costs and unplanned downtime. A bearing with inadequate material hardness can develop surface pitting within months, while poor precision can cause excessive vibration and damage to adjacent components. ISO 281 fatigue life calculations highlight that bearings meeting proper material and manufacturing standards typically outlast inferior alternatives by 300-500% in industrial applications, significantly lowering total ownership costs.
Our 21310-21314CAK W33 self-aligning roller bearings undergo rigorous testing, including raw material verification and finished product inspections for尺寸 accuracy, hardness, and surface finish. We provide a standard warranty against manufacturing defects, with clear terms outlined in each order. As a supplier with access to both our own BDL brand and major international bearing lines, we can fulfill orders for specific brand requirements or equivalent alternatives. Our substantial inventory ensures most standard bearings are available for immediate shipment.
Whether you need a single replacement bearing or a bulk order, provide your required quantity and destination for a prompt quote. We also offer assistance with cross-referencing part numbers from other brands to ensure compatibility. The sooner you confirm your order, the quicker we can arrange delivery to minimize your equipment downtime.
Q: Do you supply bearings from other brands besides BDL?
A: Yes, we offer a full range of international and domestic brands, and can source specific models as per customer requirements.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your existing bearing’s dimensions (bore, outer diameter, width) or equipment model, and our technical team will verify compatibility.
Q: What is your warranty policy for bearings?
A: We provide a warranty against manufacturing defects, with duration and terms specified in each sales contract.
Q: What is the minimum order quantity for this bearing?
A: We accept low minimum orders, including single units for emergency replacements.
Q: How long does shipping take to [my location]?
A: Stock items ship within 1-2 days; transit time depends on shipping method—express courier typically takes 3-5 days, air freight 5-7 days, and sea freight 25-40 days.
Q: Can you produce custom bearings to specific designs?
A: Yes, we support OEM/ODM services for custom bearing specifications, including material and dimension modifications.
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 our online form 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.
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