Super-precision Angular Contact Ball Bearings

71940 CDGC/P4A - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71940 CDGC/P4A is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 200 mm bore diameter, a 280 mm outer diameter, and a 38 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 Number71940 CDGC/P4A
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 C
Tolerance ClassP4A
Bearing MaterialBearing Steel
SealingOpen
Dimensions
Bore Diameter (d)200 mm
Width (B)38 mm
Outer Diameter (D)280 mm
Contact Angle α (°)15 °
Performance
Basic Dynamic Load Rating C (kN)208 kN
Basic Static Load Rating C₀ (kN)265 kN
Material
Weight (kg)6.04 kg
CAD Drawing and Dimensions for 71940 CDGC/P4A Super-precision Angular Contact Ball Bearings 71940 CDGC/P4A 280 mm 200 mm 38 mm

Frequently Asked Questions about 71940 CDGC/P4A Super-precision Angular Contact Ball Bearings

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

Every production batch of CHG Bearing 71940 CDGC/P4A 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.
To safeguard CHG Bearing 71940 CDGC/P4A against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (200 mm x 280 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
The CHG Bearing 71940 CDGC/P4A 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.
Absolutely. The CHG Bearing 71940 CDGC/P4A Super-precision Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 71940 CDGC/P4A, FAG 71940 CDGC/P4A, NSK 71940 CDGC/P4A. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
71940 CDGC/P4A - Super-precision Angular Contact Ball Bearings CAD Drawing 71940 CDGC/P4A 280 mm 200 mm 38 mm