Manufactured by CHG Bearing, the HKG100AP4 is a precision Thin Section Angular Contact Ball Bearings. Key dimensional parameters include a 254 mm bore diameter, a 304.8 mm outer diameter, and a 25.4 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.

HKG100AP4 - Thin Section Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HKG100AP4 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Angular Contact Ball Bearing |
| Series | KG |
| Seal Type | Open |
| Load Direction | Combined Radial and Unidirectional Axial |
| Row Configuration | Single Row |
| Dimensions | |
| Bore Diameter (d) | 254 mm |
| Width (B) | 25.4 mm |
| Outer Diameter (D) | 304.8 mm |
| Bore Diameter Tolerance | -0.0127-0 mm |
| Outside Diameter Tolerance | -0.0127-0 mm |
| Width Tolerance | -0.127-0 mm |
| Inner-Ring Land Diameter (L1 / d1) | 272.8468 mm |
| Outer-Ring Land Diameter (L2 / D1) | 285.9532 mm |
| Counterbore Diameter L3 | 291.6682 mm |
| Performance | |
| Basic Static Radial Load Rating C0r (N) | 92680 N |
| Basic Dynamic Radial Load Rating Cr (N) | 42500 N |
| Basic Static Axial Load Rating C0a (N) | 291860 N |
| Basic Dynamic Axial Load Rating Ca (N) | 102500 N |
| Material | |
| Mass (kg) | 3.63 kg |
| Ring Material | Stainless Steel / Bearing Steel |
| Cage Material | Brass / PEEK / Polyimide / Phenolic Resin Fabric Laminate |
| Ball Material | Stainless Steel / Bearing Steel / Ceramic |
| Operating Temperature Range (°C) | -50 to +100 °C °C |
| Precision Class | P4 |
| Radial Internal Clearance | N/A mm |
HKG100AP4 304.8 mm 254 mm 25.4 mm Frequently Asked Questions about HKG100AP4 Thin Section Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The Open engineered for HKG100AP4 by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
As standard production, CHG Bearing subjects HKG100AP4 to precision bainite or martensite quenching, offering dimensional stability up to 120°C (248°F). For high-heat processing equipment, CHG Bearing also supplies custom S0 (150°C), S1 (200°C), or S2 (250°C) stabilization heat treatments upon request to prevent residual austenite transformation.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for HKG100AP4, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for HKG100AP4. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
