Manufactured by CHG Bearing, the N 1015 KPHA/SP is a precision Super-Precision Cylindrical Roller Bearings. Key dimensional parameters include a 75 mm bore diameter, a 115 mm outer diameter, and a 20 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 1015 KPHA/SP - Super-Precision Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | N 1015 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) | 75 mm |
| Width (B) | 20 mm |
| Outer Diameter (D) | 115 mm |
| Minimum Chamfer Dimension rmin | 1 mm |
| Inner Ring Chamfer | 0.6 mm |
| End-face Height Difference h | 3 mm |
| Inner-Ring Land Diameter (L1 / d1) | 90.6 mm |
| Outer Ring Raceway Diameter E | 105 mm |
| Shaft Shoulder Diameter dₐ, min. | 81.5 mm |
| Housing Shoulder Diameter Dₐ, min. | 106 mm |
| Housing Shoulder Diameter Dₐ, max. | 108.5 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 52.8 kN |
| Basic Static Load Rating C₀ (kN) | 69.5 kN |
| Limiting Speed – Grease (r/min) | 17000 r/min |
| Limiting Speed – Oil-air (r/min) | 20000 r/min |
| Reference Grease Quantity Gref (cm³) | 9.6 cm³ |
| Fatigue Load Limit Pᵤ (kN) | 8.15 kN |
| Axial Static Stiffness – Guideline Value (N/µm) | 720 N/µm |
| Material | |
| Weight (kg) | 0.581 kg |
| Radial Internal Clearance | C1 mm |
| Internal Design & Weight | |
| Cage Type | Non-metallic Cage |
| Mounting Dimensions | |
| Lubrication Port Thread / Size Φ1 | 92.7 |
N 1015 KPHA/SP 115 mm 75 mm 20 mm Frequently Asked Questions about N 1015 KPHA/SP 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 1015 KPHA/SP. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
When fitting N 1015 KPHA/SP over a 75 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
The Open Type engineered for N 1015 KPHA/SP by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
Quality starts with raw material selection: CHG Bearing crafts N 1015 KPHA/SP inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
