Manufactured by CHG Bearing, the HKB040AP4 is a precision Thin Section Angular Contact Ball Bearings. Key dimensional parameters include a 101.6 mm bore diameter, a 117.475 mm outer diameter, and a 7.9375 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.

HKB040AP4 - Thin Section Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HKB040AP4 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Angular Contact Ball Bearing |
| Series | KB |
| Seal Type | Open |
| Load Direction | Combined Radial and Unidirectional Axial |
| Row Configuration | Single Row |
| Dimensions | |
| Bore Diameter (d) | 101.6 mm |
| Width (B) | 7.9375 mm |
| Outer Diameter (D) | 117.475 mm |
| Bore Diameter Tolerance | -0.006-0 mm |
| Outside Diameter Tolerance | -0.0076-0 mm |
| Width Tolerance | -0.127-0 mm |
| Inner-Ring Land Diameter (L1 / d1) | 107.4674 mm |
| Outer-Ring Land Diameter (L2 / D1) | 111.5822 mm |
| Counterbore Diameter L3 | 113.284 mm |
| Performance | |
| Basic Static Radial Load Rating C0r (N) | 9070 N |
| Basic Dynamic Radial Load Rating Cr (N) | 3850 N |
| Basic Static Axial Load Rating C0a (N) | 26180 N |
| Basic Dynamic Axial Load Rating Ca (N) | 9340 N |
| Material | |
| Mass (kg) | 0.136 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 |
HKB040AP4 117.475 mm 101.6 mm 7.9375 mm Frequently Asked Questions about HKB040AP4 Thin Section Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To safeguard CHG Bearing HKB040AP4 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (101.6 mm x 117.475 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Sourcing HKB040AP4 directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Thin Section Angular Contact Ball Bearings.
To match diverse operational dynamics, CHG Bearing supplies HKB040AP4 with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
Standard batches of CHG Bearing HKB040AP4 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.
