Manufactured by CHG Bearing, the N 1010 KPHA/HC5SP is a precision Super-Precision Cylindrical Roller Bearings. Key dimensional parameters include a 50 mm bore diameter, a 80 mm outer diameter, and a 16 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.

N 1010 KPHA/HC5SP - Super-Precision Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | N 1010 KPHA/HC5SP |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Super-precision Cylindrical Roller Bearing |
| Design Type | Tapered Bore 1:12 |
| Structure (Drawing Reference) | Complete Bearing |
| Number of Rows | 1 |
| Ring Type | None |
| Tolerance Class | SP |
| Bearing Material | Composite Material |
| Coating | None |
| Sealing | None |
| Lubricant | None |
| Features | None |
| Number of Flanges – Outer Ring | 0 |
| Number of Ribs – Inner Ring | 2 |
| Dimensions | |
| Bore Diameter (d) | 50 mm |
| Width (B) | 16 mm |
| Outer Diameter (D) | 80 mm |
| Minimum Chamfer Dimension rmin | 1 mm |
| Inner Ring Chamfer | 0.6 mm |
| End-face Height Difference h | 2 mm |
| Inner-Ring Land Diameter (L1 / d1) | 61.3 mm |
| Outer Ring Raceway Diameter E | 72.5 mm |
| Shaft Shoulder Diameter dₐ, min. | 55 mm |
| Housing Shoulder Diameter Dₐ, min. | 74 mm |
| Housing Shoulder Diameter Dₐ, max. | 75 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 28.6 kN |
| Basic Static Load Rating C₀ (kN) | 33.5 kN |
| Limiting Speed – Grease (r/min) | 28000 r/min |
| Limiting Speed – Oil-air (r/min) | 32000 r/min |
| Reference Grease Quantity Gref (cm³) | 4.4 cm³ |
| Fatigue Load Limit Pᵤ (kN) | 3.25 kN |
| Axial Static Stiffness – Guideline Value (N/µm) | 590 N/µm |
| Material | |
| Weight (kg) | 0.231 kg |
| Radial Internal Clearance | C1 mm |
| Internal Design & Weight | |
| Cage Type | Non-metallic Cage |
| Mounting Dimensions | |
| Lubrication Port Thread / Size Φ1 | 63 |
N 1010 KPHA/HC5SP 80 mm 50 mm 16 mm Frequently Asked Questions about N 1010 KPHA/HC5SP Super-Precision Cylindrical Roller 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 N 1010 KPHA/HC5SP. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
In its sealed configuration (Open Type), CHG Bearing pre-charges N 1010 KPHA/HC5SP 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.
The CHG Bearing N 1010 KPHA/HC5SP 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.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing N 1010 KPHA/HC5SP 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.
