Super-precision Angular Contact Ball Bearings

71918 CE/HCP4AQBCA - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71918 CE/HCP4AQBCA is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 90 mm bore diameter, a 125 mm outer diameter, and a 72 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 Number71918 CE/HCP4AQBCA
BrandCHG®
Characteristics
Bearing TypeSuper-precision Angular Contact Ball Bearing
Number of Rows4
Contact TypeNormal Contact (Two-point Contact)
Ring TypeIntegral Inner and Outer Rings
DesignHigh-speed E Design
Universally MatchableNo
Number of Bearings in Set4
Axial Clearance / PreloadExtra-light Preload
Tolerance ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingOpen
Dimensions
Bore Diameter (d)90 mm
Width (B)72 mm
Outer Diameter (D)125 mm
Contact Angle α (°)15 °
Performance
Basic Dynamic Load Rating C (kN)80.6 kN
Basic Static Load Rating C₀ (kN)96.5 kN
Material
Weight (kg)1.86 kg
CAD Drawing and Dimensions for 71918 CE/HCP4AQBCA Super-precision Angular Contact Ball Bearings 71918 CE/HCP4AQBCA 125 mm 90 mm 72 mm

Frequently Asked Questions about 71918 CE/HCP4AQBCA Super-precision Angular Contact Ball Bearings

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

For international ocean and air freight, CHG Bearing packs 71918 CE/HCP4AQBCA 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.
Beyond standard alloy steel, CHG Bearing can customize the 71918 CE/HCP4AQBCA Super-precision Angular Contact Ball Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
As standard production, CHG Bearing subjects 71918 CE/HCP4AQBCA to precision bainite or martensite quenching, offering dimensional stability up to 120°C (248°F). For high-heat processing equipment, CHG Bearing also supplies custom S0 (150°C), S1 (200°C), or S2 (250°C) stabilization heat treatments upon request to prevent residual austenite transformation.
Absolutely. The CHG Bearing 71918 CE/HCP4AQBCA Super-precision Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 71918 CE/HCP4AQBCA, FAG 71918 CE/HCP4AQBCA, NSK 71918 CE/HCP4AQBCA. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
71918 CE/HCP4AQBCA - Super-precision Angular Contact Ball Bearings CAD Drawing 71918 CE/HCP4AQBCA 125 mm 90 mm 72 mm