Manufactured by CHG Bearing, the N 1020 KTNHA/SP is a precision Super-Precision Cylindrical Roller Bearings. Key dimensional parameters include a 100 mm bore diameter, a 150 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 1020 KTNHA/SP - Super-Precision Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | N 1020 KTNHA/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 |
| Design | High-speed Design |
| 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) | 100 mm |
| Width (B) | 24 mm |
| Outer Diameter (D) | 150 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) | 119.4 mm |
| Outer Ring Raceway Diameter E | 137 mm |
| Shaft Shoulder Diameter dₐ, min. | 108 mm |
| Housing Shoulder Diameter Dₐ, min. | 139 mm |
| Housing Shoulder Diameter Dₐ, max. | 142 mm |
| Permissible Axial Displacement s₁, max. – TNHA Cage Option | 1 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 85.8 kN |
| Basic Static Load Rating C₀ (kN) | 120 kN |
| Limiting Speed – Grease (r/min) | 9500 r/min |
| Limiting Speed – Oil-air (r/min) | 13000 r/min |
| Reference Grease Quantity Gref (cm³) | 14.4 cm³ |
| Fatigue Load Limit Pᵤ (kN) | 14.3 kN |
| Axial Static Stiffness – Guideline Value (N/µm) | 1100 N/µm |
| Material | |
| Weight (kg) | 1.31 kg |
| Radial Internal Clearance | C1 mm |
| Internal Design & Weight | |
| Cage Type | Non-metallic Cage |
N 1020 KTNHA/SP 150 mm 100 mm 24 mm Frequently Asked Questions about N 1020 KTNHA/SP Super-Precision Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
When fitting N 1020 KTNHA/SP over a 100 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.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for N 1020 KTNHA/SP. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
To ensure optimum performance of CHG Bearing N 1020 KTNHA/SP Super-Precision Cylindrical Roller Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 100 mm bore. For the 150 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
To extend the trouble-free lifespan of CHG Bearing N 1020 KTNHA/SP, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
