Super-precision Angular Contact Ball Bearings

71912 ACD/P4ATBTA - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71912 ACD/P4ATBTA is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 60 mm bore diameter, a 85 mm outer diameter, and a 39 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 Number71912 ACD/P4ATBTA
BrandCHG®
Characteristics
Bearing TypeSuper-precision Angular Contact Ball Bearing
Number of Rows3
Contact TypeNormal Contact (Two-point Contact)
Ring TypeIntegral Inner and Outer Rings
DesignHigh-capacity D Design
Universally MatchableNo
Number of Bearings in Set3
Axial Clearance / PreloadExtra-light Preload
Tolerance ClassP4A
Bearing MaterialBearing Steel
SealingOpen
Dimensions
Bore Diameter (d)60 mm
Width (B)39 mm
Outer Diameter (D)85 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)40.3 kN
Basic Static Load Rating C₀ (kN)44 kN
Material
Weight (kg)0.569 kg
CAD Drawing and Dimensions for 71912 ACD/P4ATBTA Super-precision Angular Contact Ball Bearings 71912 ACD/P4ATBTA 85 mm 60 mm 39 mm

Frequently Asked Questions about 71912 ACD/P4ATBTA 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 71912 ACD/P4ATBTA 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.
Sourcing 71912 ACD/P4ATBTA 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.
Engineered according to international ISO boundary plans, CHG Bearing supplies 71912 ACD/P4ATBTA with a precision bore diameter (d) of 60 mm, an outside diameter (D) of 85 mm, and a nominal ring width (B) of 39 mm. This configuration yields an effective cross-sectional wall thickness of 12.5 mm and an envelope ratio (D/d) of 1.42, delivering compact rigidity for OEM machinery housings.
Standard batches of CHG Bearing 71912 ACD/P4ATBTA 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.
71912 ACD/P4ATBTA - Super-precision Angular Contact Ball Bearings CAD Drawing 71912 ACD/P4ATBTA 85 mm 60 mm 39 mm