Super-precision Angular Contact Ball Bearings

S7018 ACE/HCP4ADGA - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the S7018 ACE/HCP4ADGA is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 90 mm bore diameter, a 140 mm outer diameter, and a 48 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 NumberS7018 ACE/HCP4ADGA
BrandCHG®
Characteristics
Bearing TypeSuper-precision Angular Contact Ball Bearing
Seal TypeNon-contact Seal
Number of Rows2
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)
Matched ArrangementUniversal Matching
Number of Bearings in Set2
Axial Clearance / PreloadExtra-light Preload
Tolerance ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingSealed on Both Sides
LubricantGrease
Dimensions
Bore Diameter (d)90 mm
Width (B)48 mm
Outer Diameter (D)140 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)55.3 kN
Basic Static Load Rating C₀ (kN)60 kN
Material
Weight (kg)2.17 kg
CAD Drawing and Dimensions for S7018 ACE/HCP4ADGA Super-precision Angular Contact Ball Bearings S7018 ACE/HCP4ADGA 140 mm 90 mm 48 mm

Frequently Asked Questions about S7018 ACE/HCP4ADGA Super-precision Angular Contact Ball Bearings

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

Quality starts with raw material selection: CHG Bearing crafts S7018 ACE/HCP4ADGA 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.
Built for demanding industrial environments, the S7018 ACE/HCP4ADGA 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.
For international ocean and air freight, CHG Bearing packs S7018 ACE/HCP4ADGA 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 S7018 ACE/HCP4ADGA 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.
S7018 ACE/HCP4ADGA - Super-precision Angular Contact Ball Bearings CAD Drawing S7018 ACE/HCP4ADGA 140 mm 90 mm 48 mm