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304 Stainless Steel Deep Groove Ball Bearing 45x138x33mm

Expert Overview

This robust 304 stainless steel deep groove ball bearing is engineered for superior performance in corrosive and demanding environments, ensuring reliable operation and extended service life.

StandardDIN 933
Material304 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Diameter45mm
Outside Diameter138mm
Width33mm

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this deep groove ball bearing boasts exceptional corrosion resistance due to its 304 stainless steel construction. With an inside diameter of 45mm, an outside diameter of 138mm, and a width of 33mm, it provides robust load-bearing capacity and smooth rotational performance. The inherent material properties of 304 stainless steel make it ideal for use in wet, humid, or chemically aggressive conditions, preventing premature rust and degradation. This bearing is designed to withstand significant radial and axial loads, ensuring the integrity of power transmission systems in sectors such as food processing, chemical manufacturing, marine equipment, and other industrial machinery.

🧊 Download 3D CAD Model (.STEP)

Verified Global OEM Partners

This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.

SKFEst. 1907
Sweden🇸🇪
"World leader in rolling bearings."
Market Rank
🏆 #1 Global Bearing Manufacturer
Industry Approvals
🚀 Formula 1 & Airbus Approved
Warranty & Support
🛡️ 24/7 Global Support
Green Manufacturing
🌱 Net Zero by 2030
Certified:ISO 14001, OHSAS 18001
TimkenEst. 1899
USA🇺🇸
"Engineered bearings and power transmission."
Market Rank
🏆 Premium Heavy Industry Leader
Industry Approvals
🚀 NASA & Military Approved
Warranty & Support
🛡️ Extended Wear Warranty
Green Manufacturing
🌱 Sustainable Steel
Certified:ISO 9001, AS9100
NSKEst. 1916
Japan🇯🇵
"Precision machinery and automotive parts."
Market Rank
🏆 Top 3 Global Bearings
Industry Approvals
🚀 Toyota & Honda OEM
Warranty & Support
🛡️ 10-Year Defect Free Guarantee
Green Manufacturing
🌱 100% Renewable Energy
Certified:ISO/TS 16949

Certifications & Compliance

RoHS Compliant:Yes
REACH Compliant:Yes
Material Traceability:Available on Request
DFARS Compliant:Yes

Installation Procedure

1. Ensure the shaft and housing bores are clean and free from debris. Verify dimensions meet tolerance requirements. 2. Carefully press or mount the bearing onto the shaft, ensuring it is seated squarely and without tilting. 3. Mount the housing containing the bearing onto the machinery, again ensuring proper alignment and avoiding any undue stress.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

Mechanical Properties

Tensile Strength75,000 psi (515 MPa)
Yield Strength30,000 psi (205 MPa)
Elongation in 2 in.40% min
HardnessRockwell B95 max

Chemical Composition

Carbon (C)0.08% max
Chromium (Cr)18.0 - 20.0%
Nickel (Ni)8.0 - 10.5%
Manganese (Mn)2.00% max

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1400°F (760°C)
Thermal Expansion
Typical for Material Class

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
StandardVaries by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedExcellent
Marine / SaltwaterGood
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Forcing the bearing during installation, causing race deformation.Use a proper bearing press or a heat/cold mounting technique to ensure even force distribution and prevent damage.
Insufficient lubrication or using incompatible lubricant.Consult the bearing manufacturer's specifications for recommended lubricant type and re-lubrication intervals. Apply lubricant evenly.

Common Applications

  • Food and Beverage Processing Equipment
  • Chemical Processing Machinery
  • Marine and Offshore Equipment
  • Pumps and Compressors in Corrosive Environments
  • Conveyor Systems in Humid Conditions

⚠️ Engineering Warnings

  • Ensure the operating environment does not exceed the temperature limits of 304 stainless steel.
  • Avoid excessive shock loads or impacts which can damage the bearing races or balls.

Alternative Products to Consider

Premium Power Transmission equivalentHigher corrosion resistance (316 SS)
Economy Power Transmission optionLower cost for non-critical indoor applications

Frequently Asked Questions

Q: What is the Deep Groove Ball Bearing made from?

A: This Deep Groove Ball Bearing is manufactured from 304 Stainless Steel.

Q: What are the main applications?

A: Food and Beverage Processing Equipment, Chemical Processing Machinery, Marine and Offshore Equipment, Pumps and Compressors in Corrosive Environments, Conveyor Systems in Humid Conditions.

Technical Schematic

BALL BEARING CROSS-SECTIONISO 15 — Deep Groove Ball BearingBOREOD = 52mmd = 25mmWidth: 33mmDynamic Load: 7,870 lbsInstall with press fit — never strike inner/outer race directly

Torque Specifications

⚡ UNIT CONVERTER

Conversion factor: 1 ft-lb ≈ 1.356 Nm

Verified Compatibility

StatusMating ComponentStandardTorque SpecEngineering Notes
No verified compatibility data found for this component.