Manufactured by CHG Bearing, the N 1010 KPHA/SP 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/SP - Super-Precision Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | N 1010 KPHA/SP |
| 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 | Bearing Steel |
| 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) | 26000 r/min |
| Limiting Speed – Oil-air (r/min) | 30000 r/min |
| Reference Grease Quantity Gref (cm³) | 4.4 cm³ |
| Fatigue Load Limit Pᵤ (kN) | 3.8 kN |
| Axial Static Stiffness – Guideline Value (N/µm) | 460 N/µm |
| Material | |
| Weight (kg) | 0.253 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/SP 80 mm 50 mm 16 mm Frequently Asked Questions about N 1010 KPHA/SP Super-Precision Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
As standard production, CHG Bearing subjects N 1010 KPHA/SP to precision bainite or martensite quenching, offering dimensional stability up to 120°C (248°F). For high-heat processing equipment, CHG Bearing also supplies custom S0 (150°C), S1 (200°C), or S2 (250°C) stabilization heat treatments upon request to prevent residual austenite transformation.
Absolutely. The CHG Bearing N 1010 KPHA/SP Super-Precision Cylindrical Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF N 1010 KPHA/SP, FAG N 1010 KPHA/SP, NSK N 1010 KPHA/SP. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
For international ocean and air freight, CHG Bearing packs N 1010 KPHA/SP with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
To match diverse operational dynamics, CHG Bearing supplies N 1010 KPHA/SP 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.
