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304 Stainless Steel Deep Groove Ball Bearing 20x71x18mm

Expert Overview

This 304 stainless steel deep groove ball bearing delivers exceptional performance in demanding industrial applications. Engineered for reliability, it provides smooth rotational movement and robust load-bearing capabilities, even in corrosive or wet environments.

StandardISO 9001
Material304 Stainless Steel
FinishPlain
GradeN/A
Inside Diameter20mm
Outside Diameter71mm
Width18mm

Detailed Engineering Specifications

A high-performance industrial component, this deep groove ball bearing is precision-manufactured from 304 stainless steel, renowned for its excellent corrosion resistance and moderate strength. The internal bearing geometry is optimized for radial and axial loads, ensuring efficient power transmission. Featuring an inside diameter of 20mm, an outside diameter of 71mm, and a width of 18mm, it offers a substantial load capacity suitable for a wide array of machinery. The inherent properties of 304 stainless steel make it ideal for applications exposed to moisture, chemicals, or extreme temperatures, where standard steel bearings would degrade.

🧊 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 mounting surfaces are clean and free of debris. 2. Carefully press the bearing into its housing, ensuring a snug and even fit. 3. Verify smooth rotation by hand before applying operational load.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

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, potentially damaging races or balls.Use a bearing press or an appropriate sized socket to apply even pressure to the bearing's outer ring when installing into its housing. Avoid striking the bearing directly.
Improper lubrication leading to premature wear.Apply the correct type and amount of grease or oil as specified for the application's operating conditions. Consult bearing manufacturer's lubrication charts.

Common Applications

  • Food processing equipment
  • Marine applications
  • Chemical processing machinery

⚠️ Engineering Warnings

  • Not suitable for extremely high-speed applications without specific lubrication and design considerations.
  • While corrosion-resistant, prolonged exposure to aggressive chemicals may still lead to degradation.

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 processing equipment, Marine applications, Chemical processing machinery.

Technical Schematic

BALL BEARING CROSS-SECTIONISO 15 — Deep Groove Ball BearingBOREOD = 52mmd = 25mmWidth: 18mmDynamic 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.