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304 Stainless Steel Deep Groove Ball Bearing | 71x48x27mm

Expert Overview

Engineered for longevity and performance, this 304 stainless steel deep groove ball bearing offers exceptional corrosion resistance. Its robust construction ensures reliable operation in harsh environments, making it ideal for critical power transmission systems.

StandardDIN 933
Material304 Stainless Steel
FinishPlain
GradeN/A
Inside Diameter71mm
Outside Diameter48mm
Width27mm

Detailed Engineering Specifications

A proven choice for industrial professionals, this 304 stainless steel deep groove ball bearing is precision-engineered with an inside diameter of 71mm, an outside diameter of 48mm, and a width of 27mm. The 304 stainless steel alloy provides superior resistance to corrosion, rust, and mild chemicals, ensuring extended service life in humid, wet, or corrosive atmospheres. Its symmetrical design allows it to accommodate radial loads in both directions and moderate axial loads, making it versatile for various power transmission duties. Ideal for applications such as conveyors, pumps, electric motors, and processing equipment where reliability and durability are paramount.

🧊 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 seating surfaces are clean, smooth, and free from debris. 2. Apply a thin, uniform layer of appropriate lubricant to the bearing raceways and balls. 3. Carefully press or tap the bearing into its housing, ensuring it is seated squarely and without tilting.

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, leading to brinelling or damage.Use a proper bearing installer or a controlled press. Apply force evenly to the outer ring if mounting in a housing, or to the inner ring if mounting on a shaft.
Using the wrong type or insufficient amount of lubricant.Consult the bearing manufacturer's specifications for recommended lubricant type and fill quantity. Over or under-lubrication can significantly reduce bearing life.

Common Applications

  • Industrial Pumps
  • Conveyor Systems
  • Electric Motors
  • Food Processing Equipment
  • Marine Applications

⚠️ Engineering Warnings

  • Avoid exposing the bearing to extreme temperatures beyond its rated operating range.
  • Ensure proper sealing to prevent contamination from dust, dirt, or moisture, especially in corrosive environments.

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 Pumps, Conveyor Systems, Electric Motors, Food Processing Equipment, Marine Applications.

Technical Schematic

BALL BEARING CROSS-SECTIONISO 15 — Deep Groove Ball BearingBOREOD = 52mmd = 25mmWidth: 27mmDynamic 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.