Super-precision Angular Contact Ball Bearings

71822 ACD/P4DBA - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71822 ACD/P4DBA is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 110 mm bore diameter, a 140 mm outer diameter, and a 32 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 Number71822 ACD/P4DBA
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-capacity D Design
Universally MatchableNo
Matched ArrangementBack-to-back (DB)
Number of Bearings in Set2
Axial Clearance / PreloadExtra-light Preload
Tolerance ClassP4
Bearing MaterialBearing Steel
SealingOpen
Dimensions
Bore Diameter (d)110 mm
Width (B)32 mm
Outer Diameter (D)140 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)48.8 kN
Basic Static Load Rating C₀ (kN)76.5 kN
Material
Weight (kg)1.01 kg
CAD Drawing and Dimensions for 71822 ACD/P4DBA Super-precision Angular Contact Ball Bearings 71822 ACD/P4DBA 140 mm 110 mm 32 mm

Frequently Asked Questions about 71822 ACD/P4DBA Super-precision Angular Contact Ball Bearings

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

Standard batches of CHG Bearing 71822 ACD/P4DBA 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.
The CHG Bearing 71822 ACD/P4DBA 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.
Built for demanding industrial environments, the 71822 ACD/P4DBA 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.
Beyond standard alloy steel, CHG Bearing can customize the 71822 ACD/P4DBA 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.
71822 ACD/P4DBA - Super-precision Angular Contact Ball Bearings CAD Drawing 71822 ACD/P4DBA 140 mm 110 mm 32 mm