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304 Stainless Steel Deep Groove Ball Bearing 18x94x42mm

Expert Overview

Engineered for exceptional load-bearing capacity and smooth operation, this 304 stainless steel deep groove ball bearing is a critical component for reliable power transmission systems. Its robust construction ensures longevity in challenging environments.

StandardDIN 933
Material304 Stainless Steel
FinishAnodized
GradeN/A
Inside Diameter18mm
Outside Diameter94mm
Width42mm

Detailed Engineering Specifications

A high-performance industrial component, this deep groove ball bearing is precision-manufactured from premium 304 stainless steel, offering superior corrosion resistance, particularly in humid or chemically aggressive environments. The specified dimensions of 18mm inside diameter, 94mm outside diameter, and 42mm width facilitate integration into a wide range of machinery. The inherent properties of 304 stainless steel contribute to its durability and ability to withstand moderate axial and radial loads, making it suitable for applications requiring both strength and environmental resilience. Its design minimizes friction, promoting energy efficiency and extended service life under continuous operation.

🧊 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 bearing housing and shaft are clean and free from debris. Verify shaft and housing dimensions meet specified tolerances. 2. Carefully press the bearing onto the shaft, ensuring it is seated squarely and without any cocking. Use appropriate tools to apply even pressure to the inner ring. 3. Mount the shaft assembly into the housing, ensuring the outer ring of the bearing is properly supported and that axial loads are managed through appropriate retaining methods.

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
Applying force to the outer ring during shaft mounting.Always apply mounting force to the inner ring when installing onto the shaft to prevent damage to the raceways and rolling elements.
Insufficient lubrication or use of incorrect lubricant.Ensure the bearing is adequately lubricated with the specified grease or oil type and quantity for the intended operating conditions and temperature range.
Over-tightening of retaining elements, causing excessive preload.Install shaft collars or end caps with appropriate torque specifications to avoid over-constraining the bearing and inducing premature failure.

Common Applications

  • Industrial Conveyor Systems
  • Electric Motors and Gearboxes
  • Pumps and Compressors

⚠️ Engineering Warnings

  • Extreme temperatures beyond the material's rating can degrade lubricant and compromise bearing performance.
  • Exposure to highly abrasive particles or corrosive chemicals may require specialized sealing or coatings not inherent to standard 304 stainless steel.

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: Industrial Conveyor Systems, Electric Motors and Gearboxes, Pumps and Compressors.

Technical Schematic

BALL BEARING CROSS-SECTIONISO 15 — Deep Groove Ball BearingBOREOD = 52mmd = 25mmWidth: 42mmDynamic 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.