Super-precision Angular Contact Ball Bearings

71913 ACE/HCP4ADGB - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71913 ACE/HCP4ADGB is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 65 mm bore diameter, a 90 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 Number71913 ACE/HCP4ADGB
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 / PreloadLight Preload
Tolerance ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingOpen
Dimensions
Bore Diameter (d)65 mm
Width (B)26 mm
Outer Diameter (D)90 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)25.5 kN
Basic Static Load Rating C₀ (kN)23.2 kN
Material
Weight (kg)0.328 kg
CAD Drawing and Dimensions for 71913 ACE/HCP4ADGB Super-precision Angular Contact Ball Bearings 71913 ACE/HCP4ADGB 90 mm 65 mm 26 mm

Frequently Asked Questions about 71913 ACE/HCP4ADGB Super-precision Angular Contact Ball Bearings

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

Sourcing 71913 ACE/HCP4ADGB 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.
The CHG Bearing 71913 ACE/HCP4ADGB 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.
Standard batches of CHG Bearing 71913 ACE/HCP4ADGB conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
To ensure optimum performance of CHG Bearing 71913 ACE/HCP4ADGB Super-precision Angular Contact Ball Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 65 mm bore. For the 90 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
71913 ACE/HCP4ADGB - Super-precision Angular Contact Ball Bearings CAD Drawing 71913 ACE/HCP4ADGB 90 mm 65 mm 26 mm