Angular contact ball bearings

HKC045AP4 - Thin Section Angular Contact Ball Bearings

Manufactured by CHG Bearing, the HKC045AP4 is a precision Thin Section Angular Contact Ball Bearings. Key dimensional parameters include a 114.3 mm bore diameter, a 133.35 mm outer diameter, and a 9.525 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 NumberHKC045AP4
BrandCHG®
Characteristics
Bearing TypeAngular Contact Ball Bearing
SeriesKC
Seal TypeOpen
Load DirectionCombined Radial and Unidirectional Axial
Row ConfigurationSingle Row
Dimensions
Bore Diameter (d)114.3 mm
Width (B)9.525 mm
Outer Diameter (D)133.35 mm
Bore Diameter Tolerance-0.006-0 mm
Outside Diameter Tolerance-0.01-0 mm
Width Tolerance-0.127-0 mm
Inner-Ring Land Diameter (L1 / d1)121.3358 mm
Outer-Ring Land Diameter (L2 / D1)126.3142 mm
Counterbore Diameter L3128.3208 mm
Performance
Basic Static Radial Load Rating C0r (N)12710 N
Basic Dynamic Radial Load Rating Cr (N)5490 N
Basic Static Axial Load Rating C0a (N)36760 N
Basic Dynamic Axial Load Rating Ca (N)13290 N
Material
Mass (kg)0.222 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 ClassP4
Radial Internal ClearanceN/A mm
CAD Drawing and Dimensions for HKC045AP4 Thin Section Angular Contact Ball Bearings HKC045AP4 133.35 mm 114.3 mm 9.525 mm

Frequently Asked Questions about HKC045AP4 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 HKC045AP4 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 HKC045AP4 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.
Standard batches of CHG Bearing HKC045AP4 conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
The CHG Bearing HKC045AP4 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.
HKC045AP4 - Thin Section Angular Contact Ball Bearings CAD Drawing HKC045AP4 133.35 mm 114.3 mm 9.525 mm