Manufactured by CHG Bearing, the N 1018 KPHA/SPVS019 is a precision Super-Precision Cylindrical Roller Bearings. Key dimensional parameters include a 90 mm bore diameter, a 140 mm outer diameter, and a 24 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 1018 KPHA/SPVS019 - Super-Precision Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | N 1018 KPHA/SPVS019 |
| 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) | 90 mm |
| Width (B) | 24 mm |
| Outer Diameter (D) | 140 mm |
| Minimum Chamfer Dimension rmin | 1.5 mm |
| Inner Ring Chamfer | 1 mm |
| End-face Height Difference h | 4 mm |
| Inner-Ring Land Diameter (L1 / d1) | 109.4 mm |
| Outer Ring Raceway Diameter E | 127 mm |
| Shaft Shoulder Diameter dₐ, min. | 98 mm |
| Housing Shoulder Diameter Dₐ, min. | 129 mm |
| Housing Shoulder Diameter Dₐ, max. | 137.6 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 74.8 kN |
| Basic Static Load Rating C₀ (kN) | 100 kN |
| Limiting Speed – Grease (r/min) | 14000 r/min |
| Limiting Speed – Oil-air (r/min) | 17000 r/min |
| Reference Grease Quantity Gref (cm³) | 16.7 cm³ |
| Fatigue Load Limit Pᵤ (kN) | 12 kN |
| Material | |
| Weight (kg) | 1.2 kg |
| Radial Internal Clearance | NSTD mm |
| Internal Design & Weight | |
| Cage Type | Non-metallic Cage |
| Mounting Dimensions | |
| Lubrication Port Thread / Size Φ1 | 111.95 |
N 1018 KPHA/SPVS019 140 mm 90 mm 24 mm Frequently Asked Questions about N 1018 KPHA/SPVS019 Super-Precision Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
For international ocean and air freight, CHG Bearing packs N 1018 KPHA/SPVS019 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.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing N 1018 KPHA/SPVS019 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.
Quality starts with raw material selection: CHG Bearing crafts N 1018 KPHA/SPVS019 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for N 1018 KPHA/SPVS019, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
