Super-precision Angular Contact Ball Bearings

71814 CDGC/HCP4 - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71814 CDGC/HCP4 is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 70 mm bore diameter, a 90 mm outer diameter, and a 10 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 Number71814 CDGC/HCP4
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-capacity D Design
Universally MatchableYes – Back-to-back (DB), Face-to-face (DF), or Tandem (DT)
Axial Clearance / PreloadPreload Class C
Tolerance ClassP4
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingOpen
Dimensions
Bore Diameter (d)70 mm
Width (B)10 mm
Outer Diameter (D)90 mm
Contact Angle α (°)15 °
Performance
Basic Dynamic Load Rating C (kN)13.8 kN
Basic Static Load Rating C₀ (kN)16 kN
Material
Weight (kg)0.122 kg
CAD Drawing and Dimensions for 71814 CDGC/HCP4 Super-precision Angular Contact Ball Bearings 71814 CDGC/HCP4 90 mm 70 mm 10 mm

Frequently Asked Questions about 71814 CDGC/HCP4 Super-precision Angular Contact Ball Bearings

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

When fitting 71814 CDGC/HCP4 over a 70 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
To safeguard CHG Bearing 71814 CDGC/HCP4 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (70 mm x 90 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
The CHG Bearing 71814 CDGC/HCP4 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
Beyond standard alloy steel, CHG Bearing can customize the 71814 CDGC/HCP4 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.
71814 CDGC/HCP4 - Super-precision Angular Contact Ball Bearings CAD Drawing 71814 CDGC/HCP4 90 mm 70 mm 10 mm