Super-precision Angular Contact Ball Bearings

71926 ACDGA/HCP4A - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71926 ACDGA/HCP4A is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 130 mm bore diameter, a 180 mm outer diameter, and a 24 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 Number71926 ACDGA/HCP4A
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 A
Tolerance ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingOpen
Dimensions
Bore Diameter (d)130 mm
Width (B)24 mm
Outer Diameter (D)180 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)87.1 kN
Basic Static Load Rating C₀ (kN)102 kN
Material
Weight (kg)1.27 kg
CAD Drawing and Dimensions for 71926 ACDGA/HCP4A Super-precision Angular Contact Ball Bearings 71926 ACDGA/HCP4A 180 mm 130 mm 24 mm

Frequently Asked Questions about 71926 ACDGA/HCP4A Super-precision Angular Contact Ball Bearings

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

To ensure optimum performance of CHG Bearing 71926 ACDGA/HCP4A 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 130 mm bore. For the 180 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
Built for demanding industrial environments, the 71926 ACDGA/HCP4A 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.
To extend the trouble-free lifespan of CHG Bearing 71926 ACDGA/HCP4A, 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.
When fitting 71926 ACDGA/HCP4A over a 130 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.
71926 ACDGA/HCP4A - Super-precision Angular Contact Ball Bearings CAD Drawing 71926 ACDGA/HCP4A 180 mm 130 mm 24 mm