Angular contact ball bearings

HKD090AP0 - Thin Section Angular Contact Ball Bearings

Manufactured by CHG Bearing, the HKD090AP0 is a precision Thin Section Angular Contact Ball Bearings. Key dimensional parameters include a 228.6 mm bore diameter, a 254 mm outer diameter, and a 12.7 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 NumberHKD090AP0
BrandCHG®
Characteristics
Bearing TypeAngular Contact Ball Bearing
SeriesKD
Seal TypeOpen
Load DirectionCombined Radial and Unidirectional Axial
Row ConfigurationSingle Row
Dimensions
Bore Diameter (d)228.6 mm
Width (B)12.7 mm
Outer Diameter (D)254 mm
Bore Diameter Tolerance-0.03-0 mm
Outside Diameter Tolerance-0.03-0 mm
Width Tolerance-0.127-0 mm
Inner-Ring Land Diameter (L1 / d1)237.998 mm
Outer-Ring Land Diameter (L2 / D1)244.602 mm
Counterbore Diameter L3247.1928 mm
Performance
Basic Static Radial Load Rating C0r (N)33340 N
Basic Dynamic Radial Load Rating Cr (N)12460 N
Basic Static Axial Load Rating C0a (N)96280 N
Basic Dynamic Axial Load Rating Ca (N)31160 N
Material
Mass (kg)0.767 kg
Ring MaterialStainless Steel / Bearing Steel
Cage MaterialBrass / PEEK / Polyimide / Phenolic Resin Fabric Laminate
Ball MaterialStainless Steel / Bearing Steel / Ceramic
Operating Temperature Range (°C)-50 to +100 °C °C
Precision ClassP0
Radial Internal ClearanceN/A mm
CAD Drawing and Dimensions for HKD090AP0 Thin Section Angular Contact Ball Bearings HKD090AP0 254 mm 228.6 mm 12.7 mm

Frequently Asked Questions about HKD090AP0 Thin Section Angular Contact Ball Bearings

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

Quality starts with raw material selection: CHG Bearing crafts HKD090AP0 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.
Yes, 100% of HKD090AP0 Thin Section Angular Contact Ball Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
To safeguard CHG Bearing HKD090AP0 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (228.6 mm x 254 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
In its sealed configuration (Open), CHG Bearing pre-charges HKD090AP0 with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
HKD090AP0 - Thin Section Angular Contact Ball Bearings CAD Drawing HKD090AP0 254 mm 228.6 mm 12.7 mm