Super-precision Angular Contact Ball Bearings

S7018 CD/P4ADBC - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the S7018 CD/P4ADBC 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 CD/P4ADBC
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 MatchableNo
Matched ArrangementBack-to-back (DB)
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 (°)15 °
Performance
Basic Dynamic Load Rating C (kN)127 kN
Basic Static Load Rating C₀ (kN)153 kN
Material
Weight (kg)2.28 kg
CAD Drawing and Dimensions for S7018 CD/P4ADBC Super-precision Angular Contact Ball Bearings S7018 CD/P4ADBC 140 mm 90 mm 48 mm

Frequently Asked Questions about S7018 CD/P4ADBC Super-precision Angular Contact Ball Bearings

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

Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for S7018 CD/P4ADBC, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
The Non-contact Seal engineered for S7018 CD/P4ADBC by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
For international ocean and air freight, CHG Bearing packs S7018 CD/P4ADBC 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.
Beyond standard alloy steel, CHG Bearing can customize the S7018 CD/P4ADBC 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.
S7018 CD/P4ADBC - Super-precision Angular Contact Ball Bearings CAD Drawing S7018 CD/P4ADBC 140 mm 90 mm 48 mm