21311e 21311ek SKF Self-Aligning Spherical Roller Bearing

Product Parameters

Model NO. 21311
Specification 55*120*29 mm
Precision Rating P0, P6, P5, P4, P2
Clearance C0, C3, C4
Material Bearing Steel

Introduction

21311 Self-Aligning Roller Bearing with spherical aligning feature, double rows, and roller rolling body. Offers long life, high speed, low noise. Rich stocks available, transport by sea or air. OEM/ODM service provided.

SKU: eaf827f88b78 Category:
Description

21311e 21311ek Self-Aligning Roller Bearing: High-Performance Spherical Roller Bearing for Industrial Excellence

Experience unmatched reliability and precision with our 21311e/21311ek Self-Aligning Roller Bearings, engineered to deliver exceptional performance in demanding industrial applications. Designed with advanced spherical roller technology, these bearings offer superior load handling, alignment compensation, and long service life—ideal for maximizing your machinery’s efficiency.

Key Specifications

Model 21311
Dimensions 55*120*29 mm
Precision Rating P0, P6, P5, P4, P2
Clearance C0, C3, C4
Material High-Quality Bearing Steel
Rolling Body Double-Row Roller Bearings
Load Type Radial Bearing
Feature Long Life, High Speed, Low Noise
Service OEM/ODM Available
Origin China (ISO Certified)

Core Advantages

  • Self-Aligning Capability: Compensates for shaft misalignment, reducing wear and extending machinery life.
  • High Load Capacity: Double-row design handles heavy radial and axial loads efficiently.
  • Precision Engineering: Available in P0-P2 precision grades for critical applications requiring tight tolerances.
  • Low Noise & Vibration: Optimized design ensures smooth operation, ideal for noise-sensitive environments.
  • Rich Stock Availability: Ready-to-ship inventory ensures fast delivery for urgent requirements.

Applications

Perfect for industries such as mining, construction, wind energy, and manufacturing. Ideal for use in conveyors, gearboxes, pumps, and heavy-duty machinery where reliability and durability are critical.

Quality Assurance

Our bearings are manufactured from premium bearing steel and undergo rigorous testing to meet international standards. Backed by ISO certification and strict quality control processes, we guarantee consistent performance and reliability.

Why Choose Our Bearings?

Unlike generic alternatives, our 21311e/21311ek bearings offer custom clearance options (C0/C3/C4) and precision grading to match your specific application needs. With OEM/ODM services, we provide tailored solutions to optimize your equipment’s performance.

FAQ

Q: What is the difference between 21311e and 21311ek?
A: The “ek” suffix indicates enhanced internal design for improved load distribution and higher speed capabilities.

Q: Can I request a specific precision grade?
A: Yes, we offer P0-P2 grades to meet your application’s accuracy requirements.

Q: What is the typical lead time?
A: In-stock items ship within 24 hours; custom orders take 5-7 business days.

Ready to elevate your machinery’s performance? Contact us today for a personalized quote and experience the difference of high-quality self-aligning roller bearings. Our team of experts is here to help you select the perfect solution for your needs!

Shipping and Delivery

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