Thrust Self-aligning Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Thrust Self-aligning Roller Bearing
21310-21314CCK W33 Self-Aligning Roller Bearings
Keep your machinery running smoothly with reliable 21310-21314CCK W33 Bearings that minimize downtime and reduce maintenance headaches. These self-aligning roller bearings automatically compensate for shaft misalignment, ensuring consistent performance even in demanding industrial applications.
- Engineered with CCK clearance and W33 oil groove for enhanced lubrication retention, extending service life in high-load environments
- Precision manufacturing ensures reduced vibration and noise, creating a quieter, more efficient operation
7
Day Prototype
vs. 8-12 wks standard
50+
Countries Served
Global logistics network
12h
Quote Response
Expert engineers on call
Typical Applications
Wind Power
Mining
Steel & Metallurgy
Automotive / EV
Rail Transit
Precision Machinery
Genuine SKF Bearings
NDA Protected
Free Sample for Orders > $50K
Global Shipping
Product Details
Product Specifications
| Parameter | Details |
|---|
Application Suitability
| Industry | Typical Applications |
|---|---|
| Construction Machinery | Excavator arm joints, bulldozer undercarriage |
| Steel & Metallurgy | Rolling mill work rolls, conveyor systems |
| Mining Equipment | Crusher shafts, vibrating screen bearings |
| Wind Energy | Generator main shafts, yaw drive systems |
Struggling with Bearing Reliability in Heavy-Duty Applications? The 21310-21314CCK W33 Self-Aligning Roller Bearings Deliver
Misalignment in industrial machinery creates excessive stress on bearings, leading to premature failure and costly downtime. Sourcing reliable self-aligning roller bearings that match original equipment dimensions while handling heavy radial loads often requires checking multiple suppliers—wasting valuable time that could be spent on production.
Engineered for Demanding Operating Conditions
The 21310-21314CCK W33 self-aligning roller bearings address these challenges through precision manufacturing and versatile design. Produced under ISO 9001-certified processes, these bearings accommodate shaft misalignment up to 2-3 degrees, making them ideal for applications like conveyor belt systems and construction equipment where perfect alignment is difficult to maintain. Our extensive inventory ensures quick access to this series, eliminating long lead times from traditional suppliers.
Optimal Performance in High-Load Environments
Designed to handle heavy radial loads with moderate axial capacity, these self-aligning roller bearings excel in低速 to medium-speed applications operating between -30°C and 120°C. The CCK design features a cylindrical bore with a tapered adapter sleeve, simplifying installation and removal in large equipment like mining crushers and steel mill rolls. Their ability to compensate for shaft deflection reduces uneven wear, extending service life in critical machinery.
Technical Features That Ensure Longevity
The W33 designation indicates a lubrication groove and three oil holes in the outer ring, facilitating efficient grease distribution for consistent performance. Constructed with high-carbon chromium steel, the bearings feature hardened raceways (HRC 58-62) and precision-ground rolling elements that minimize friction and vibration. The cage design maintains proper roller spacing even under shock loads, preventing skidding and premature fatigue. These engineering details translate directly to reduced maintenance intervals and lower total operating costs.
Why Proper Bearing Selection Lowers Total Cost of Ownership
Choosing the right self-aligning roller bearing prevents hidden expenses associated with frequent replacements. A bearing with inadequate load capacity or misalignment tolerance can cause shaft damage, gear wear, and unexpected production stops—costing far more than the initial component price. By following ISO 281 fatigue life standards, these bearings provide predictable performance, allowing maintenance teams to plan replacements during scheduled downtime rather than emergency repairs.
Quality You Can Rely On
Each 21310-21314CCK W33 bearing undergoes rigorous inspection, including dimensional accuracy checks, hardness testing, and surface finish analysis. We maintain full traceability from raw material selection to final packaging, ensuring compliance with international standards. A comprehensive warranty covers manufacturing defects, with clear procedures for replacement or refund. Our global network includes access to both our own brand and major international bearing lines, enabling us to fulfill mixed-brand orders from a single supplier.
Packaging & Shipping
- Industrial-grade cardboard boxes with moisture-resistant lining
- Same-day shipping for in-stock items
- Flexible logistics options: express courier for urgent orders, sea freight for bulk shipments
- Low minimum order quantity—supports both trial installations and full production runs
Get Your 21310-21314CCK W33 Bearing Quote Today
Whether you need a single replacement bearing or a bulk order, provide your required quantity and delivery location for a personalized quote. Our technical team can also assist with cross-referencing part numbers or verifying compatibility with your equipment. Contact us now to streamline your bearing procurement process.
Frequently Asked Questions
Q: Can you supply bearings from other brands besides your own?
A: Yes, we offer procurement services for all major international and domestic bearing brands. Simply provide the brand and model, and we’ll source it for you.
Q: How do I confirm if this bearing fits my machine?
A: Share your equipment model or existing bearing dimensions (bore diameter, outer diameter, width), and our engineers will verify compatibility with the 21310-21314CCK W33 series.
Q: What warranty do you offer on these bearings?
A: We provide a standard warranty covering manufacturing defects. Specific terms depend on application and order volume, as detailed in our sales contract.
Q: What is the minimum order quantity for this bearing?
A: We accept small orders, with no strict minimum quantity. Contact us for pricing on both individual units and bulk purchases.
Q: How long does shipping take to [my location]?
A: In-stock bearings ship the same day. Delivery time depends on location: 2-3 days via express courier, 5-7 days by air freight, or 3-4 weeks by sea freight.
Q: Do you offer custom bearing solutions?
A: Yes, we support OEM/ODM customization for special applications. Provide your technical drawings or performance requirements for a feasibility assessment.
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.
sales@bearing-solution.com | +1-800-123-4567
Product Summary
- Product Name
- 21310-21314CCK W33 Self-Aligning Roller Bearings
- Category
- Thrust Self-aligning Roller Bearing
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Get a Custom Quote
Our engineers will respond within 12 hours with a tailored solution.
Request QuoteGeneral Specifications
| Bearing Type | Thrust Self-aligning Roller Bearing |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Custom Specifications Available
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
Wind Power
Main shaft bearings, gearbox bearings, and generator bearings for onshore and offshore wind turbines.
Mining & Quarrying
Heavy-duty bearings for crushers, conveyors, and rotary equipment in extreme dust and shock-load environments.
Steel & Metallurgy
High-temperature bearings for rolling mills, continuous casting, and furnace applications.
Automotive / EV
Wheel hub bearings, transmission bearings, and e-motor bearings for passenger and commercial vehicles.
Rail Transit
Axle box bearings, traction motor bearings, and gearbox bearings meeting EN/UIC railway standards.
Precision Machinery
High-precision spindle bearings, angular contact bearings, and super-precision bearings for CNC and robotics.
Application Design
EngineeringOur engineers analyze your operating conditions -- load, speed, temperature, environment -- and select or design the optimal bearing solution to maximize service life and reduce total cost of ownership.
Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
Why SKF China
The engineering partner advantage
7 Days
Prototype Lead Time
vs. 8-12 weeks via standard channels
15+
Certified Engineers
SKF-certified, on-call for your project
50+
Countries Delivered
Reliable global logistics network
Request a Quote
Get a custom quote for
21310-21314CCK W33 Self-Aligning Roller Bearings
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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