Manufactured by CHG Bearing, the N 1019 KTNHA/HC5SP is a precision Super-Precision Cylindrical Roller Bearings. Key dimensional parameters include a 95 mm bore diameter, a 145 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 1019 KTNHA/HC5SP - Super-Precision Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | N 1019 KTNHA/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 |
| Design | High-speed Design |
| 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) | 95 mm |
| Width (B) | 24 mm |
| Outer Diameter (D) | 145 mm |
| Minimum Chamfer Dimension rmin | 1.5 mm |
| Inner Ring Chamfer | 1 mm |
| End-face Height Difference h | 3 mm |
| Inner-Ring Land Diameter (L1 / d1) | 114.4 mm |
| Outer Ring Raceway Diameter E | 132 mm |
| Shaft Shoulder Diameter dₐ, min. | 103 mm |
| Housing Shoulder Diameter Dₐ, min. | 134 mm |
| Housing Shoulder Diameter Dₐ, max. | 137 mm |
| Permissible Axial Displacement s₁, max. – TNHA Cage Option | 1 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 80.9 kN |
| Basic Static Load Rating C₀ (kN) | 112 kN |
| Limiting Speed – Grease (r/min) | 11000 r/min |
| Limiting Speed – Oil-air (r/min) | 15000 r/min |
| Reference Grease Quantity Gref (cm³) | 13.9 cm³ |
| Fatigue Load Limit Pᵤ (kN) | 11.4 kN |
| Axial Static Stiffness – Guideline Value (N/µm) | 1380 N/µm |
| Material | |
| Weight (kg) | 1.12 kg |
| Radial Internal Clearance | C1 mm |
| Internal Design & Weight | |
| Cage Type | Non-metallic Cage |
N 1019 KTNHA/HC5SP 145 mm 95 mm 24 mm Frequently Asked Questions about N 1019 KTNHA/HC5SP Super-Precision Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Standard batches of CHG Bearing N 1019 KTNHA/HC5SP conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
Absolutely. The CHG Bearing N 1019 KTNHA/HC5SP Super-Precision Cylindrical Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF N 1019 KTNHA/HC5SP, FAG N 1019 KTNHA/HC5SP, NSK N 1019 KTNHA/HC5SP. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Model N 1019 KTNHA/HC5SP is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 95 mm) and steep thermal gradients between inner and outer rings.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for N 1019 KTNHA/HC5SP, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
