Manufactured by CHG Bearing, the HKS14003XS0 is a precision Super Thin Section Four-point Contact Ball Bearings. Key dimensional parameters include a 140 mm bore diameter, a 146 mm outer diameter, and a 2.5 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.

HKS14003XS0 - Super Thin Section Four-point Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HKS14003XS0 |
| Separator | Full complement or 1/16 in spacer balls |
| Characteristics | |
| Bearing Type | Four-point contact ball bearing |
| Dimensions | |
| Bore Diameter (d) | 140 mm |
| Width (B) | 2.5 mm |
| Outer Diameter (D) | 146 mm |
| Radial Cross Section H | 3 mm |
| Inner Ring Land Diameter L1 / d1 | 142.2 mm |
| Outer Ring Land Diameter L2 / D1 | 143.8 mm |
| Maximum Shaft/Housing Fillet Radius F | 0.25 mm |
| Performance | |
| Dynamic Radial Rating Ck (N) | 1470 N |
| Static Radial Rating C0 (N) | 2818 N |
| Thrust Loading Limit Fa (N) | 623 N |
| Moment Loading Limit FM (N·m) | 17.8 N·m |
| Material | |
| Material | stainless steel |
| Reference Data | |
| Mass (g) | 21 g |
HKS14003XS0 146 mm 140 mm 2.5 mm Frequently Asked Questions about HKS14003XS0 Super Thin Section Four-point Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To ensure optimum performance of CHG Bearing HKS14003XS0 Super Thin Section Four-point Contact Ball Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 140 mm bore. For the 146 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
Standard batches of CHG Bearing HKS14003XS0 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.
To extend the trouble-free lifespan of CHG Bearing HKS14003XS0, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
Yes, 100% of HKS14003XS0 Super 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.
