Super-precision Angular Contact Ball Bearings

S71907 ACB/P4ADBB - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the S71907 ACB/P4ADBB is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 35 mm bore diameter, a 55 mm outer diameter, and a 20 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 NumberS71907 ACB/P4ADBB
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 B Design
Universally MatchableNo
Matched ArrangementBack-to-back (DB)
Number of Bearings in Set2
Axial Clearance / PreloadLight Preload
Tolerance ClassP4A
Bearing MaterialBearing Steel
SealingSealed on Both Sides
LubricantGrease
Dimensions
Bore Diameter (d)35 mm
Width (B)20 mm
Outer Diameter (D)55 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)7.8 kN
Basic Static Load Rating C₀ (kN)6.95 kN
Material
Weight (kg)0.147 kg
CAD Drawing and Dimensions for S71907 ACB/P4ADBB Super-precision Angular Contact Ball Bearings S71907 ACB/P4ADBB 55 mm 35 mm 20 mm

Frequently Asked Questions about S71907 ACB/P4ADBB 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 S71907 ACB/P4ADBB 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.
Beyond standard alloy steel, CHG Bearing can customize the S71907 ACB/P4ADBB 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.
Every production batch of CHG Bearing S71907 ACB/P4ADBB Super-precision Angular Contact Ball Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for S71907 ACB/P4ADBB. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
S71907 ACB/P4ADBB - Super-precision Angular Contact Ball Bearings CAD Drawing S71907 ACB/P4ADBB 55 mm 35 mm 20 mm