Super-precision Angular Contact Ball Bearings

S7212 ACD/HCP4AQBCD - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the S7212 ACD/HCP4AQBCD is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 60 mm bore diameter, a 110 mm outer diameter, and a 88 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 NumberS7212 ACD/HCP4AQBCD
BrandCHG®
Characteristics
Bearing TypeSuper-precision Angular Contact Ball Bearing
Seal TypeNon-contact Seal
Number of Rows4
Contact TypeNormal Contact (Two-point Contact)
Ring TypeIntegral Inner and Outer Rings
DesignHigh-capacity D Design
Universally MatchableNo
Number of Bearings in Set4
Axial Clearance / PreloadHeavy Preload
Tolerance ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingSealed on Both Sides
LubricantGrease
Dimensions
Bore Diameter (d)60 mm
Width (B)88 mm
Outer Diameter (D)110 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)146 kN
Basic Static Load Rating C₀ (kN)180 kN
Material
Weight (kg)2.88 kg
CAD Drawing and Dimensions for S7212 ACD/HCP4AQBCD Super-precision Angular Contact Ball Bearings S7212 ACD/HCP4AQBCD 110 mm 60 mm 88 mm

Frequently Asked Questions about S7212 ACD/HCP4AQBCD Super-precision Angular Contact Ball Bearings

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

As standard production, CHG Bearing subjects S7212 ACD/HCP4AQBCD 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.
When fitting S7212 ACD/HCP4AQBCD over a 60 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.
The Non-contact Seal engineered for S7212 ACD/HCP4AQBCD 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.
Absolutely. The CHG Bearing S7212 ACD/HCP4AQBCD Super-precision Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF S7212 ACD/HCP4AQBCD, FAG S7212 ACD/HCP4AQBCD, NSK S7212 ACD/HCP4AQBCD. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
S7212 ACD/HCP4AQBCD - Super-precision Angular Contact Ball Bearings CAD Drawing S7212 ACD/HCP4AQBCD 110 mm 60 mm 88 mm