Super-precision Angular Contact Ball Bearings

S7011 ACBGA/HCP4A - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the S7011 ACBGA/HCP4A is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 55 mm bore diameter, a 90 mm outer diameter, and a 18 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 NumberS7011 ACBGA/HCP4A
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 B Design
Universally MatchableYes – Back-to-back (DB), Face-to-face (DF), or Tandem (DT)
Axial Clearance / PreloadPreload Class A
Tolerance ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingSealed on Both Sides
LubricantGrease
Dimensions
Bore Diameter (d)55 mm
Width (B)18 mm
Outer Diameter (D)90 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)13.3 kN
Basic Static Load Rating C₀ (kN)10.4 kN
Material
Weight (kg)0.395 kg
CAD Drawing and Dimensions for S7011 ACBGA/HCP4A Super-precision Angular Contact Ball Bearings S7011 ACBGA/HCP4A 90 mm 55 mm 18 mm

Frequently Asked Questions about S7011 ACBGA/HCP4A Super-precision Angular Contact Ball Bearings

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

The Non-contact Seal engineered for S7011 ACBGA/HCP4A 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for S7011 ACBGA/HCP4A, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Yes, 100% of S7011 ACBGA/HCP4A 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 S7011 ACBGA/HCP4A over a 55 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.
S7011 ACBGA/HCP4A - Super-precision Angular Contact Ball Bearings CAD Drawing S7011 ACBGA/HCP4A 90 mm 55 mm 18 mm