Super-precision Angular Contact Ball Bearings

71910 ACE/HCP4ADBA - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71910 ACE/HCP4ADBA is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 50 mm bore diameter, a 72 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 Number71910 ACE/HCP4ADBA
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 MatchableNo
Matched ArrangementBack-to-back (DB)
Number of Bearings in Set2
Axial Clearance / PreloadExtra-light Preload
Tolerance ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingOpen
Dimensions
Bore Diameter (d)50 mm
Width (B)24 mm
Outer Diameter (D)72 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)19.9 kN
Basic Static Load Rating C₀ (kN)16.3 kN
Material
Weight (kg)0.236 kg
CAD Drawing and Dimensions for 71910 ACE/HCP4ADBA Super-precision Angular Contact Ball Bearings 71910 ACE/HCP4ADBA 72 mm 50 mm 24 mm

Frequently Asked Questions about 71910 ACE/HCP4ADBA Super-precision Angular Contact Ball Bearings

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

Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 71910 ACE/HCP4ADBA, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 71910 ACE/HCP4ADBA. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
The Open Type engineered for 71910 ACE/HCP4ADBA 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.
When fitting 71910 ACE/HCP4ADBA over a 50 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.
71910 ACE/HCP4ADBA - Super-precision Angular Contact Ball Bearings CAD Drawing 71910 ACE/HCP4ADBA 72 mm 50 mm 24 mm