Super-precision Angular Contact Ball Bearings

71901 CE/P4ADBC - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71901 CE/P4ADBC is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 12 mm bore diameter, a 24 mm outer diameter, and a 12 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 Number71901 CE/P4ADBC
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 ArrangementBack-to-back (DB)
Number of Bearings in Set2
Axial Clearance / PreloadMedium Preload
Tolerance ClassP4A
Bearing MaterialBearing Steel
SealingOpen
Dimensions
Bore Diameter (d)12 mm
Width (B)12 mm
Outer Diameter (D)24 mm
Contact Angle α (°)15 °
Performance
Basic Dynamic Load Rating C (kN)3.45 kN
Basic Static Load Rating C₀ (kN)1.76 kN
Material
Weight (kg)0.02 kg
CAD Drawing and Dimensions for 71901 CE/P4ADBC Super-precision Angular Contact Ball Bearings 71901 CE/P4ADBC 24 mm 12 mm 12 mm

Frequently Asked Questions about 71901 CE/P4ADBC Super-precision Angular Contact Ball Bearings

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

Standard batches of CHG Bearing 71901 CE/P4ADBC conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
To ensure optimum performance of CHG Bearing 71901 CE/P4ADBC Super-precision Angular Contact Ball Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 12 mm bore. For the 24 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
Model 71901 CE/P4ADBC 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 12 mm) and steep thermal gradients between inner and outer rings.
For international ocean and air freight, CHG Bearing packs 71901 CE/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.
71901 CE/P4ADBC - Super-precision Angular Contact Ball Bearings CAD Drawing 71901 CE/P4ADBC 24 mm 12 mm 12 mm