Manufactured by CHG Bearing, the HKS12003XS0 is a precision Super Thin Section Four-point Contact Ball Bearings. Key dimensional parameters include a 120 mm bore diameter, a 126 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.
HKS12003XS0 - Super Thin Section Four-point Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HKS12003XS0 |
| Separator | Full complement or 1/16 in spacer balls |
| Characteristics | |
| Bearing Type | Four-point contact ball bearing |
| Dimensions | |
| Bore Diameter (d) | 120 mm |
| Width (B) | 2.5 mm |
| Outer Diameter (D) | 126 mm |
| Radial Cross Section H | 3 mm |
| Inner Ring Land Diameter L1 / d1 | 122.2 mm |
| Outer Ring Land Diameter L2 / D1 | 123.8 mm |
| Maximum Shaft/Housing Fillet Radius F | 0.25 mm |
| Performance | |
| Dynamic Radial Rating Ck (N) | 1320 N |
| Static Radial Rating C0 (N) | 2400 N |
| Thrust Loading Limit Fa (N) | 689 N |
| Moment Loading Limit FM (N·m) | 17 N·m |
| Material | |
| Material | stainless steel |
| Reference Data | |
| Mass (g) | 18 g |
HKS12003XS0 126 mm 120 mm 2.5 mm Frequently Asked Questions about HKS12003XS0 Super Thin Section Four-point Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To extend the trouble-free lifespan of CHG Bearing HKS12003XS0, 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.
To match diverse operational dynamics, CHG Bearing supplies HKS12003XS0 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.
Built for demanding industrial environments, the HKS12003XS0 Super Thin Section Four-point Contact Ball Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
The CHG Bearing HKS12003XS0 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
