Manufactured by CHG Bearing, the HKD042XP4 is a precision Thin Section Four-Point Contact Ball Bearings. Key dimensional parameters include a 107.95 mm bore diameter, a 133.35 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.

HKD042XP4 - Thin Section Four-Point Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HKD042XP4 |
| 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) | 107.95 mm |
| Width (B) | 12.7 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) | 117.348 mm |
| Outer-Ring Land Diameter (L2 / D1) | 123.952 mm |
| Counterbore Diameter L3 | N/A mm |
| Performance | |
| Basic Static Radial Load Rating C0r (N) | 14180 N |
| Basic Dynamic Radial Load Rating Cr (N) | 10470 N |
| Basic Static Axial Load Rating C0a (N) | 35470 N |
| Basic Dynamic Axial Load Rating Ca (N) | 16000 N |
| Material | |
| Mass (kg) | 0.386 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 |
HKD042XP4 133.35 mm 107.95 mm 12.7 mm Frequently Asked Questions about HKD042XP4 Thin Section Four-Point Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, 100% of HKD042XP4 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.
Standard batches of CHG Bearing HKD042XP4 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.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing HKD042XP4 correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
In its sealed configuration (Open), CHG Bearing pre-charges HKD042XP4 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.
