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27x49x20mm Carbon Steel Deep Groove Ball Bearing

Expert Overview

This robust carbon steel deep groove ball bearing, with a 27mm ID, 49mm OD, and 20mm width, offers superior load-bearing capacity and smooth rotational performance. Ideal for demanding power transmission applications.

StandardASME B18
MaterialCarbon Steel
FinishPlain
GradeN/A
Inside Diameter27mm
Outside Diameter49mm
Width20mm

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this deep groove ball bearing is precision-manufactured from high-grade carbon steel, ensuring exceptional hardness, wear resistance, and torsional strength. The internal geometry is optimized for radial and axial load distribution, minimizing friction and heat generation. With an inside diameter of 27mm, outside diameter of 49mm, and a width of 20mm, it provides a compact yet highly capable solution for various power transmission systems. Its inherent durability makes it suitable for continuous operation in industrial machinery, electric motors, and automotive components.

🧊 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 bearing bore and shaft are clean and free of contaminants. 2. Apply a thin film of appropriate lubricant to the shaft and the inner ring of the bearing. 3. Carefully press the bearing onto the shaft using a suitable press or arbor, ensuring even force distribution to avoid damage to the races.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

Mechanical Properties

Tensile StrengthStandard Commercial Spec
Yield StrengthStandard Commercial Spec
HardnessVaries by specific batch

Chemical Composition

Carbon (C)0.28 - 0.55%
Manganese (Mn)0.60 - 0.90%
Phosphorus (P)0.04% max
Sulfur (S)0.05% max

Temperature & Environment Rating

Min Operating Temp
-20°F (-29°C)
Max Continuous Temp
400°F (204°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 / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Applying excessive force directly to the outer ring during shaft mounting.Always apply force to the inner ring when mounting onto the shaft to prevent brinelling of the races.
Improper lubrication, leading to premature wear and overheating.Use the manufacturer-recommended lubricant type and quantity, ensuring it is evenly distributed before and during operation.

Common Applications

  • Electric Motors
  • Gearboxes
  • Conveyor Systems
  • Agricultural Machinery

⚠️ Engineering Warnings

  • Operate within specified temperature and load limits to ensure longevity.
  • Protect bearing from excessive shock loads and vibration.

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 Carbon Steel.

Q: What are the main applications?

A: Electric Motors, Gearboxes, Conveyor Systems, Agricultural Machinery.

Technical Schematic

BALL BEARING CROSS-SECTIONISO 15 — Deep Groove Ball BearingBOREOD = 52mmd = 25mmWidth: 20mmDynamic 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.