Super-precision Angular Contact Ball Bearings

71911 CEGA/HCP4AL - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71911 CEGA/HCP4AL 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 13 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 CEGA/HCP4AL
BrandCHG®
Characteristics
Bearing TypeSuper-precision Angular Contact Ball Bearing
Number of Rows1
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)
Axial Clearance / PreloadPreload Class A
Tolerance ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingOpen
FeaturesSuitable for Direct Oil-air Lubrication
Dimensions
Bore Diameter (d)55 mm
Width (B)13 mm
Outer Diameter (D)80 mm
Contact Angle α (°)15 °
Performance
Basic Dynamic Load Rating C (kN)15.6 kN
Basic Static Load Rating C₀ (kN)10.6 kN
Material
Weight (kg)0.148 kg
CAD Drawing and Dimensions for 71911 CEGA/HCP4AL Super-precision Angular Contact Ball Bearings 71911 CEGA/HCP4AL 80 mm 55 mm 13 mm

Frequently Asked Questions about 71911 CEGA/HCP4AL Super-precision Angular Contact Ball Bearings

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

Built for demanding industrial environments, the 71911 CEGA/HCP4AL Super-precision Angular Contact Ball Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
For international ocean and air freight, CHG Bearing packs 71911 CEGA/HCP4AL with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
To extend the trouble-free lifespan of CHG Bearing 71911 CEGA/HCP4AL, 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.
The Open Type engineered for 71911 CEGA/HCP4AL by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
71911 CEGA/HCP4AL - Super-precision Angular Contact Ball Bearings CAD Drawing 71911 CEGA/HCP4AL 80 mm 55 mm 13 mm