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Spherical Roller Bearing 213 series

  • High load capacity,
  • Strong self-aligning ability,
  • Strong durability,
  • Low maintenance requirements,
  • Strong adaptability

Multiple configurations available: This series of bearings offers different inner ring, outer ring and cage designs to meet different application requirements.

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1. Overview

The 213 series spherical roller bearings are double-row, self-aligning bearings engineered to manage radial forces and moderate axial loads. These components are known for their superior self-aligning properties, enabling them to adapt to shaft misalignments resulting from bending or mounting inaccuracies. They are particularly well-suited for applications demanding high reliability over extended periods, even in scenarios where precise installation is not feasible.

Spherical Roller Bearing 213 series

2. Key Features

  • Double-Row Roller Design: Features two symmetrical roller rows for high load capacity and impact resistance. Spherical contact between rollers and the outer raceway enhances self-alignment.
  • Self-Aligning Function: Adjusts for angular misalignments (up to 2°) caused by installation errors or shaft deflection, ensuring reliable performance.
  • Lightweight Construction: The 213 series maintains strength while reducing weight, ideal for moderate loads.
  • Sealing Choices: Offers open (standard) or sealed options to suit lubrication and environmental needs.

3. Applications

Spherical Roller Bearing 213 series

  • The 213 series spherical roller bearings are commonly utilized in industries like:
  • Pumps and Compressors: Effective for radial and light axial loads.
  • Fans and Blowers: Perfect for consistent-speed applications requiring self-alignment.
  • Agricultural Equipment: Used in tractors and harvesters.
  • Light Industrial Machinery: Found in gearboxes and conveyor systems.

Spherical Roller Bearing 213 series

4. Technical Specifications

  • Bore Diameter: Ranges from 20 mm to 90 mm (varies by model).
  • Outer Diameter: Spans 52 mm to 190 mm.
  • Width: Measures between 15 mm and 43 mm.

Load Capacity:

  • Dynamic (Cr): 34.5 kN to 365 kN.
  • Static (Cor): 32.5 kN to 420 kN.
  • Misalignment Tolerance: Typically 1° to 2°, based on conditions.

5. Design Variations and Suffixes

1. Basic Models: Standard 213 series bearings for general use.

2. Enhanced Versions:

  • E: Improved design with more rollers for greater load capacity.
  • W33: Features a lubrication groove and holes in the outer ring for maintenance ease.

3. Mounting Choices:

  • K: Tapered bore bearings for simple installation with adapter sleeves.
  • C3/C4: Designed with extra internal clearance for thermal expansion or specific needs.

6. Advantages Summary

  • High Load Capacity: A larger roller-to-raceway contact area ensures effective load distribution.
  • Self-Alignment: Adjusts for shaft misalignment, minimizing installation error effects.
  • Versatility: Ideal for dynamic and moderate-speed operations across diverse load conditions.
    For detailed specs, application scenarios, or brand comparisons (e.g., SKF, FAG, NSK), feel free to inquire!

For detailed technical parameters, specific application scenarios, or brand comparisons (e.g., SKF, FAG, NSK), feel free to ask!

Below is the detailed list of 213 Series Spherical Roller Bearings. The 213 series is a lightweight bearing series designed for moderate loads and is widely used in applications requiring self-aligning capabilities, such as pumps, fans, and light machinery.

213 Series Spherical Roller Bearings - Detailed Specifications
Model Bore Diameter (d) Outer Diameter (D) Width (B) Dynamic Load Rating (Cr) Static Load Rating (Cor) Approx. Weight (kg)
21304 20 mm 52 mm 15 mm 34.5 kN 32.5 kN 0.17
21305 25 mm 62 mm 17 mm 45.5 kN 44.5 kN 0.27
21306 30 mm 72 mm 19 mm 57.5 kN 58 kN 0.43
21307 35 mm 80 mm 21 mm 71.5 kN 73.5 kN 0.59
21308 40 mm 90 mm 23 mm 89.5 kN 95.5 kN 0.81
21309 45 mm 100 mm 25 mm 108 kN 117 kN 1.1
21310 50 mm 110 mm 27 mm 130 kN 141 kN 1.5
21311 55 mm 120 mm 29 mm 150 kN 165 kN 2
21312 60 mm 130 mm 31 mm 178 kN 198 kN 2.6
21313 65 mm 140 mm 33 mm 208 kN 234 kN 3.3
21314 70 mm 150 mm 35 mm 236 kN 268 kN 4.1
21315 75 mm 160 mm 37 mm 264 kN 300 kN 5.1
21316 80 mm 170 mm 39 mm 300 kN 342 kN 6.2
21317 85 mm 180 mm 41 mm 330 kN 380 kN 7.5
21318 90 mm 190 mm 43 mm 365 kN 420 kN 9

 

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