Super-precision Angular Contact Ball Bearings

S7019 ACEGA/P4A - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the S7019 ACEGA/P4A is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 95 mm bore diameter, a 145 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 NumberS7019 ACEGA/P4A
BrandCHG®
Characteristics
Bearing TypeSuper-precision Angular Contact Ball Bearing
Seal TypeNon-contact Seal
Number of Rows1
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)
Axial Clearance / PreloadPreload Class A
Tolerance ClassP4A
Bearing MaterialBearing Steel
SealingSealed on Both Sides
LubricantGrease
Dimensions
Bore Diameter (d)95 mm
Width (B)24 mm
Outer Diameter (D)145 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)41.6 kN
Basic Static Load Rating C₀ (kN)36 kN
Material
Weight (kg)1.28 kg
CAD Drawing and Dimensions for S7019 ACEGA/P4A Super-precision Angular Contact Ball Bearings S7019 ACEGA/P4A 145 mm 95 mm 24 mm

Frequently Asked Questions about S7019 ACEGA/P4A Super-precision Angular Contact Ball Bearings

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

Absolutely. The CHG Bearing S7019 ACEGA/P4A Super-precision Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF S7019 ACEGA/P4A, FAG S7019 ACEGA/P4A, NSK S7019 ACEGA/P4A. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Quality starts with raw material selection: CHG Bearing crafts S7019 ACEGA/P4A inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
As standard production, CHG Bearing subjects S7019 ACEGA/P4A to precision bainite or martensite quenching, offering dimensional stability up to 120°C (248°F). For high-heat processing equipment, CHG Bearing also supplies custom S0 (150°C), S1 (200°C), or S2 (250°C) stabilization heat treatments upon request to prevent residual austenite transformation.
In its sealed configuration (Non-contact Seal), CHG Bearing pre-charges S7019 ACEGA/P4A with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
S7019 ACEGA/P4A - Super-precision Angular Contact Ball Bearings CAD Drawing S7019 ACEGA/P4A 145 mm 95 mm 24 mm