Super-precision Angular Contact Ball Bearings

71906 ACE/P4ADT - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71906 ACE/P4ADT is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 30 mm bore diameter, a 47 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 Number71906 ACE/P4ADT
BrandCHG®
Characteristics
Bearing TypeSuper-precision Angular Contact Ball Bearing
Number of Rows2
Contact TypeNormal Contact (Two-point Contact)
Ring TypeIntegral Inner and Outer Rings
DesignHigh-speed E Design
Universally MatchableNo
Matched ArrangementTandem (DT)
Number of Bearings in Set2
Axial Clearance / PreloadNot Applicable
Tolerance ClassP4A
Bearing MaterialBearing Steel
SealingOpen
Dimensions
Bore Diameter (d)30 mm
Width (B)18 mm
Outer Diameter (D)47 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)8.71 kN
Basic Static Load Rating C₀ (kN)6.1 kN
Material
Weight (kg)0.096 kg
CAD Drawing and Dimensions for 71906 ACE/P4ADT Super-precision Angular Contact Ball Bearings 71906 ACE/P4ADT 47 mm 30 mm 18 mm

Frequently Asked Questions about 71906 ACE/P4ADT Super-precision Angular Contact Ball Bearings

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

Sourcing 71906 ACE/P4ADT directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Super-precision Angular Contact Ball Bearings.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 71906 ACE/P4ADT. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Model 71906 ACE/P4ADT is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 30 mm) and steep thermal gradients between inner and outer rings.
To extend the trouble-free lifespan of CHG Bearing 71906 ACE/P4ADT, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
71906 ACE/P4ADT - Super-precision Angular Contact Ball Bearings CAD Drawing 71906 ACE/P4ADT 47 mm 30 mm 18 mm