Super-precision Angular Contact Ball Bearings

S7018 ACD/P4ADGC - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the S7018 ACD/P4ADGC 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 ACD/P4ADGC
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-capacity D Design
Universally MatchableYes – Back-to-back (DB), Face-to-face (DF), or Tandem (DT)
Matched ArrangementUniversal Matching
Number of Bearings in Set2
Axial Clearance / PreloadMedium Preload
Tolerance ClassP4A
Bearing MaterialBearing Steel
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)121 kN
Basic Static Load Rating C₀ (kN)143 kN
Material
Weight (kg)2.35 kg
CAD Drawing and Dimensions for S7018 ACD/P4ADGC Super-precision Angular Contact Ball Bearings S7018 ACD/P4ADGC 140 mm 90 mm 48 mm

Frequently Asked Questions about S7018 ACD/P4ADGC Super-precision Angular Contact Ball Bearings

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

Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing S7018 ACD/P4ADGC correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for S7018 ACD/P4ADGC. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Yes, 100% of S7018 ACD/P4ADGC Super-precision Angular Contact Ball Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
When fitting S7018 ACD/P4ADGC over a 90 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.
S7018 ACD/P4ADGC - Super-precision Angular Contact Ball Bearings CAD Drawing S7018 ACD/P4ADGC 140 mm 90 mm 48 mm