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304 Stainless Steel Deep Groove Ball Bearing | 51x163x21mm

Expert Overview

Engineered for superior performance and longevity, this 304 stainless steel deep groove ball bearing delivers exceptional load-carrying capacity and smooth rotational operation in demanding environments.

StandardISO 9001
Material304 Stainless Steel
FinishPlain
GradeN/A
Inside Diameter51mm
Outside Diameter163mm
Width21mm

Detailed Engineering Specifications

Built to exacting engineering tolerances, this deep groove ball bearing features a precise 51mm inside diameter, a robust 163mm outside diameter, and a 21mm width. Constructed from premium 304 stainless steel, it offers superior corrosion resistance, making it ideal for applications exposed to moisture, chemicals, or extreme temperatures. This material also provides excellent toughness and durability under heavy radial and axial loads. Its design minimizes friction, ensuring efficient power transmission and extended service life in a wide range of industrial machinery, including pumps, conveyors, and electric motors.

🧊 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. Verify shaft and housing dimensions against bearing specifications. 2. Carefully press the bearing onto the shaft or into the housing, applying even pressure to the correct ring (inner ring for shaft mounting, outer ring for housing mounting). 3. Secure the bearing with appropriate locking mechanisms (e.g., locknuts, retaining rings) to prevent axial movement.

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
Applying excessive force to the wrong ring during installation.Always apply installation force to the ring that is being fitted. For shaft mounting, press the inner ring; for housing mounting, press the outer ring.
Improper lubrication leading to premature wear.Use the recommended type and quantity of lubricant as specified for the bearing and its operating conditions. Re-lubricate at scheduled intervals.

Common Applications

  • Industrial Pumps
  • Conveyor Systems
  • Electric Motors

⚠️ Engineering Warnings

  • Avoid shock loads or impacts that can exceed the bearing's rated capacity.
  • Ensure proper sealing to protect against contaminants, especially in corrosive or wet 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.

Technical Schematic

BALL BEARING CROSS-SECTIONISO 15 — Deep Groove Ball BearingBOREOD = 52mmd = 25mmWidth: 21mmDynamic 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.
304 Stainless Steel Deep Groove Ball Bearing | 51x163x21mm | İndustrial Equipment