Super-precision Angular Contact Ball Bearings

71911 FE/HCP4ALDGA - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71911 FE/HCP4ALDGA is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 55 mm bore diameter, a 80 mm outer diameter, and a 26 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.

Technical Specifications

Overview
Part Number71911 FE/HCP4ALDGA
BrandCHG®
Characteristics
Bearing TypeSuper-precision Angular Contact Ball Bearing
Number of Rows2
Contact TypeNormal Contact (Two-point Contact)
Ring TypeIntegral Inner and Outer Rings
DesignHigh-speed E Design
Universally MatchableYes – Back-to-back (DB), Face-to-face (DF), or Tandem (DT)
Matched ArrangementUniversal Matching
Number of Bearings in Set2
Axial Clearance / PreloadExtra-light Preload
Tolerance ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingOpen
FeaturesSuitable for Direct Oil-air Lubrication
Dimensions
Bore Diameter (d)55 mm
Width (B)26 mm
Outer Diameter (D)80 mm
Contact Angle α (°)18 °
Performance
Basic Dynamic Load Rating C (kN)25.1 kN
Basic Static Load Rating C₀ (kN)20.8 kN
Material
Weight (kg)0.291 kg
CAD Drawing and Dimensions for 71911 FE/HCP4ALDGA Super-precision Angular Contact Ball Bearings 71911 FE/HCP4ALDGA 80 mm 55 mm 26 mm

Frequently Asked Questions about 71911 FE/HCP4ALDGA Super-precision Angular Contact Ball Bearings

Find key technical answers regarding dimensions, specifications, and replacement options for this model.

Absolutely. The CHG Bearing 71911 FE/HCP4ALDGA Super-precision Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 71911 FE/HCP4ALDGA, FAG 71911 FE/HCP4ALDGA, NSK 71911 FE/HCP4ALDGA. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Sourcing 71911 FE/HCP4ALDGA directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Super-precision Angular Contact Ball Bearings.
To extend the trouble-free lifespan of CHG Bearing 71911 FE/HCP4ALDGA, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
Engineered according to international ISO boundary plans, CHG Bearing supplies 71911 FE/HCP4ALDGA with a precision bore diameter (d) of 55 mm, an outside diameter (D) of 80 mm, and a nominal ring width (B) of 26 mm. This configuration yields an effective cross-sectional wall thickness of 12.5 mm and an envelope ratio (D/d) of 1.45, delivering compact rigidity for OEM machinery housings.
71911 FE/HCP4ALDGA - Super-precision Angular Contact Ball Bearings CAD Drawing 71911 FE/HCP4ALDGA 80 mm 55 mm 26 mm