Super-precision Angular Contact Ball Bearings

71936 CDGA/P4A - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71936 CDGA/P4A is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 180 mm bore diameter, a 250 mm outer diameter, and a 33 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 Number71936 CDGA/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 A
Tolerance ClassP4A
Bearing MaterialBearing Steel
SealingOpen
Dimensions
Bore Diameter (d)180 mm
Width (B)33 mm
Outer Diameter (D)250 mm
Contact Angle α (°)15 °
Performance
Basic Dynamic Load Rating C (kN)168 kN
Basic Static Load Rating C₀ (kN)212 kN
Material
Weight (kg)4.13 kg
CAD Drawing and Dimensions for 71936 CDGA/P4A Super-precision Angular Contact Ball Bearings 71936 CDGA/P4A 250 mm 180 mm 33 mm

Frequently Asked Questions about 71936 CDGA/P4A Super-precision Angular Contact Ball Bearings

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

Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 71936 CDGA/P4A correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
Quality starts with raw material selection: CHG Bearing crafts 71936 CDGA/P4A inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
The CHG Bearing 71936 CDGA/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.
Every production batch of CHG Bearing 71936 CDGA/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.
71936 CDGA/P4A - Super-precision Angular Contact Ball Bearings CAD Drawing 71936 CDGA/P4A 250 mm 180 mm 33 mm