Thrust Self-aligning Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Thrust Self-aligning Roller Bearing
21311-21316cc W33 Self-Aligning Roller Bearing
Experience smoother, longer-lasting machinery performance with our precision-engineered 21311-21316cc W33 Self-Aligning Roller Bearing. This self-aligning roller bearing minimizes downtime by automatically compensating for shaft misalignment, ensuring consistent operation even in challenging industrial environments.
- W33 lubrication groove design enables efficient grease distribution, reducing maintenance intervals
- Optimized contact geometry handles radial and axial loads with minimal friction, extending equipment lifespan
- Precision tolerances ensure reliable fitment for high-torque applications in conveyors, pumps, and heavy machinery
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 |
|---|---|
| Bearing Type | Self-Aligning Roller Bearing |
| Model Number | 21311-21316cc W33 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Construction Machinery | Excavator arm pivots, bulldozer undercarriage |
| Wind Energy | Yaw drive systems, gearbox supports |
| Mining | Conveyor rollers, crusher bearings |
| Steel Metallurgy | Rolling mill stands, continuous casting machines |
Struggling with Bearing Reliability in Heavy-Duty Applications? The 21311-21316cc W33 Self-Aligning Roller Bearing Delivers
Equipment downtime from bearing failure costs manufacturers thousands in lost productivity. When misalignment causes premature wear or inconsistent load handling leads to unexpected breakdowns, finding a reliable replacement becomes critical. Many buyers waste hours navigating fragmented supplier networks, only to receive bearings that don’t meet original equipment specifications.
Engineered for Demanding Industrial Environments
The 21311-21316cc W33 self-aligning roller bearing addresses these challenges through its robust design and precise manufacturing. As a supplier with ISO 9001-certified production processes and access to both自有 and international brand bearings, we ensure each unit meets strict dimensional and material standards. This bearing excels in applications like hydraulic cylinder articulation points and conveyor drive systems, where misalignment and heavy radial loads are common.
Optimal Performance in Misaligned Conditions
This self-aligning roller bearing accommodates angular misalignment up to 2-3 degrees, making it ideal for installations where shaft deflection or mounting errors occur. Its double-row roller design distributes radial loads evenly, while the W33 lubrication groove and oil hole facilitate maintenance in hard-to-reach locations. Operating temperatures typically range from -30°C to 120°C, suitable for both indoor and outdoor industrial environments.
Key Engineering Features for Long Service Life
The bearing’s outer ring features a spherical raceway that allows rollers to adjust position, reducing edge stress during misalignment. High-quality bearing steel construction ensures surface hardness exceeds HRC 58-62, providing excellent wear resistance. Precision Class P0 manufacturing tolerances guarantee interchangeability with major international standards, simplifying replacement in existing equipment. The cage design maintains proper roller spacing, minimizing friction and heat buildup under dynamic loads.
Total Cost of Ownership: Why Quality Matters
Choosing a precision-manufactured self-aligning roller bearing reduces long-term costs compared to inferior alternatives. Early bearing failure often leads to damaged shafts, seal leaks, and unplanned downtime—expenses that far exceed initial savings on cheaper components. By following ISO 281 fatigue life calculations and maintaining proper lubrication, this bearing delivers predictable performance, lowering maintenance intervals and extending equipment service life.
Quality Assurance You Can Trust
Every 21311-21316cc W33 bearing undergoes comprehensive testing, including raw material verification and成品尺寸 inspection. Our quality control process checks for hardness, surface finish, and dimensional accuracy to ensure compliance with industry standards. We provide a standard warranty against manufacturing defects, and our technical team offers support for installation and application questions. With diverse brand sourcing capabilities, we can supply bearings according to your specific brand or performance requirements.
Packaging & Shipping
- Neutral industrial packaging with moisture-resistant wrapping
- Available from stock for immediate dispatch
- Flexible shipping options including express courier, air freight, and sea transport
- Low minimum order quantity supported, from single units to bulk shipments
Get Your 21311-21316cc W33 Bearing Quote Today
Whether you need a direct replacement or a custom solution, our team can provide pricing and availability for the 21311-21316cc W33 self-aligning roller bearing. Contact us with your exact model requirements, quantity, and delivery location, and we’ll respond promptly with a competitive offer. Early order confirmation ensures priority handling and faster delivery.
Frequently Asked Questions
Q: Can you supply other brands or models of self-aligning roller bearings?
A: Yes, we support inquiries for all brands and models, providing bearings according to your specified brand or dimensional requirements.
Q: How do I confirm if this bearing fits my equipment?
A: Provide your equipment model or existing bearing dimensions (bore, outer diameter, width), and our technical team will verify compatibility.
Q: What is your warranty policy for this bearing?
A: We offer a standard warranty against manufacturing defects; specific terms are detailed in our sales contract.
Q: What is the minimum order quantity for this bearing?
A: We accept low minimum order quantities, including single-unit purchases for emergency replacements.
Q: How quickly can you ship the 21311-21316cc W33 bearing?
A: In-stock bearings ship within 1-2 business days; we offer express, air, and sea shipping options based on your urgency.
Q: Do you provide custom (OEM/ODM) bearing solutions?
A: Yes, we support custom bearing manufacturing according to your technical drawings or performance specifications.
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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Product Summary
- Product Name
- 21311-21316cc W33 Self-Aligning Roller Bearing
- 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
21311-21316cc W33 Self-Aligning Roller Bearing
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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