Super-precision Angular Contact Ball Bearings

71828 ACDGB/P4 - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71828 ACDGB/P4 is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 140 mm bore diameter, a 175 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 Number71828 ACDGB/P4
BrandCHG®
Characteristics
Bearing TypeSuper-precision Angular Contact Ball Bearing
Number of Rows1
Contact TypeNormal Contact (Two-point Contact)
Ring TypeIntegral Inner and Outer Rings
DesignHigh-capacity D Design
Universally MatchableYes – Back-to-back (DB), Face-to-face (DF), or Tandem (DT)
Axial Clearance / PreloadPreload Class B
Tolerance ClassP4
Bearing MaterialBearing Steel
SealingOpen
Dimensions
Bore Diameter (d)140 mm
Width (B)18 mm
Outer Diameter (D)175 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)42.3 kN
Basic Static Load Rating C₀ (kN)58.5 kN
Material
Weight (kg)0.8 kg
CAD Drawing and Dimensions for 71828 ACDGB/P4 Super-precision Angular Contact Ball Bearings 71828 ACDGB/P4 175 mm 140 mm 18 mm

Frequently Asked Questions about 71828 ACDGB/P4 Super-precision Angular Contact Ball Bearings

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

To match diverse operational dynamics, CHG Bearing supplies 71828 ACDGB/P4 with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 71828 ACDGB/P4, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Model 71828 ACDGB/P4 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 140 mm) and steep thermal gradients between inner and outer rings.
Each 71828 ACDGB/P4 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 (140 mm bore side) ensures perfect planar contact without edge binding.
71828 ACDGB/P4 - Super-precision Angular Contact Ball Bearings CAD Drawing 71828 ACDGB/P4 175 mm 140 mm 18 mm