Super-precision Angular Contact Ball Bearings

71907 ACB/HCP4ADGA - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71907 ACB/HCP4ADGA 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 Number71907 ACB/HCP4ADGA
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 B Design
Universally MatchableYes – Back-to-back (DB), Face-to-face (DF), or Tandem (DT)
Matched ArrangementUniversal Matching
Number of Bearings in Set2
Axial Clearance / PreloadExtra-light Preload
Tolerance ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingOpen
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)0.144 kg
CAD Drawing and Dimensions for 71907 ACB/HCP4ADGA Super-precision Angular Contact Ball Bearings 71907 ACB/HCP4ADGA 55 mm 35 mm 20 mm

Frequently Asked Questions about 71907 ACB/HCP4ADGA Super-precision Angular Contact Ball Bearings

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

Sourcing 71907 ACB/HCP4ADGA 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.
Each 71907 ACB/HCP4ADGA produced in CHG Bearing manufacturing facilities features accurately profiled corner chamfers complying with DIN 5412 / ISO standard corner radii. When designing mating shafts and housing shoulders, machining an undercut or fillet radius strictly within the inner ring clearance limit (35 mm bore side) ensures perfect planar contact without edge binding.
The CHG Bearing 71907 ACB/HCP4ADGA is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 71907 ACB/HCP4ADGA. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
71907 ACB/HCP4ADGA - Super-precision Angular Contact Ball Bearings CAD Drawing 71907 ACB/HCP4ADGA 55 mm 35 mm 20 mm