Manufactured by CHG Bearing, the HKD045XP4 is a precision Thin Section Four-Point Contact Ball Bearings. Key dimensional parameters include a 114.3 mm bore diameter, a 139.7 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.

HKD045XP4 - Thin Section Four-Point Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HKD045XP4 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four-Point Contact Ball Bearing |
| Series | KD |
| Seal Type | Open |
| Load Direction | Radial, Bidirectional Axial and Moment |
| Row Configuration | Single Row |
| Dimensions | |
| Bore Diameter (d) | 114.3 mm |
| Width (B) | 12.7 mm |
| Outer Diameter (D) | 139.7 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) | 123.698 mm |
| Outer-Ring Land Diameter (L2 / D1) | 130.302 mm |
| Counterbore Diameter L3 | N/A mm |
| Performance | |
| Basic Static Radial Load Rating C0r (N) | 15200 N |
| Basic Dynamic Radial Load Rating Cr (N) | 10910 N |
| Basic Static Axial Load Rating C0a (N) | 38010 N |
| Basic Dynamic Axial Load Rating Ca (N) | 16760 N |
| Material | |
| Mass (kg) | 0.405 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 | -0.035-0.021 mm |
HKD045XP4 139.7 mm 114.3 mm 12.7 mm Frequently Asked Questions about HKD045XP4 Thin Section Four-Point Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for HKD045XP4. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Beyond standard alloy steel, CHG Bearing can customize the HKD045XP4 Thin Section Four-Point Contact Ball Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
Yes, 100% of HKD045XP4 Thin Section Four-Point 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.
When fitting HKD045XP4 over a 114.3 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
