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maj . 11, 2025 05:58 Back to list

Spherical Roller Bearing Number & Size Chart PDF Bearing Guide

  • Overview of bearing numbering systems
  • Technical specifications comparison
  • Performance data analysis
  • Manufacturer capability matrix
  • Custom engineering solutions
  • Industry application scenarios
  • Resource integration strategies

<trp-post-container data-trp-post-id='20434'>Spherical Roller Bearing Number & Size Chart PDF Bearing Guide</trp-post-container>

(spherical roller bearing number)


Understanding Spherical Roller Bearing Numbering Systems

Modern spherical roller bearing number
s follow standardized identification systems that encode critical technical parameters. The ISO 15:2017 standard specifies that a complete bearing designation typically contains:

  • Base number (3-4 digits indicating bore diameter)
  • Series code (2 letters for dimensional series)
  • Suffix codes (up to 3 letters for special features)

For example, 22324 CCJA/W33 breaks down as:
22 = Extra width series
3 = Medium diameter series
24 = 120mm bore
CC = Two window steel cage
JA = Machined brass cage
W33 = Lubrication groove

Technical Specifications Breakdown

Bearing Type Dynamic Load (kN) Speed Limit (rpm) Temperature Range
Spherical 22216 325 3400 -30°C~200°C
Cylindrical NU206 265 9500 -40°C~150°C
Tapered 30206 198 6000 -30°C~120°C

Manufacturing Capability Analysis

Leading manufacturers demonstrate distinct technical profiles:

Vendor Production Capacity Lead Time Certifications
SKF 2M units/month 6-8 weeks ISO 9001:2015
NTN 1.5M units/month 8-10 weeks AS9100D
Timken 1.2M units/month 10-12 weeks IATF 16949

Customization Engineering Solutions

Specialized bearing modifications address specific operational requirements:

  1. Surface treatments: Chrome plating (5-40μm thickness)
  2. Cage materials: Polymer (PEEK), brass, or stainless steel
  3. Lubrication systems: Automatic greasing (1-5g/hr flow rates)

Recent project specifications required spherical roller bearings with 320°C operational capability through special heat stabilization processes (M50 steel, modified quenching).

Industrial Application Scenarios

Heavy-duty applications demand precise bearing selection:

Industry Bearing Type Failure Rate Reduction
Mining 223 Series 62%
Wind Power 240/500 CA 78%
Steel Mills 231/710 MB 55%

Optimizing Spherical Roller Bearing Number Selection

Proper bearing identification requires cross-referencing multiple parameters:

  • Radial clearance (C0 to C5, 15-150μm range)
  • Precision class (P0 to P6, ±0.5-5μm tolerance)
  • Mounting dimensions (shaft/housing fits H7/k6)

Download our comprehensive size chart PDF covering 1200+ bearing numbers with detailed technical drawings and load ratings. Ensure proper selection through our interactive bearing calculator tool (API integration available).


<trp-post-container data-trp-post-id='20434'>Spherical Roller Bearing Number & Size Chart PDF Bearing Guide</trp-post-container>

(spherical roller bearing number)


FAQS on spherical roller bearing number

Q: How to identify spherical roller bearing numbers?

A: Spherical roller bearing numbers follow ISO standards like 222/500 CAK/C3. The numbering indicates dimensions, clearance, and cage type. Check manufacturer size charts in PDFs for exact measurements.

Q: Are cylindrical and tapered roller bearing numbers interchangeable?

A: No – cylindrical (e.g., NU1008) and tapered (e.g., 30206) bearings use distinct numbering systems. Always verify codes against separate size charts in PDF documentation.

Q: Where to find a cylindrical roller bearing size chart PDF?

A: Major manufacturers like SKF, Timken, or NSK provide free PDF catalogs online. Search "[Brand] cylindrical roller bearing number and size chart PDF" for precise bore/diameter data.

Q: Do tapered roller bearing numbers include angle specifications?

A: Yes – codes like 32956X/J2QA denote contact angles through suffixes. Cross-reference numbers with PDF charts to confirm angle, width, and load ratings.

Q: How to decode spherical roller bearing suffixes like CCJA/W33?

A: Suffixes indicate features: CCJA = two-piece brass cage, W33 = grease groove. Consult the "designation key" section in manufacturer PDF charts for full code explanations.

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