Manufactured by CHG Bearing, the N 1021 KTN9/SP is a precision Super-Precision Cylindrical Roller Bearings. Key dimensional parameters include a 105 mm bore diameter, a 160 mm outer diameter, and a 26 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 1021 KTN9/SP - Super-Precision Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | N 1021 KTN9/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) | 105 mm |
| Width (B) | 26 mm |
| Outer Diameter (D) | 160 mm |
| Minimum Chamfer Dimension rmin | 2 mm |
| Inner Ring Chamfer | 1.1 mm |
| End-face Height Difference h | 3 mm |
| Inner-Ring Land Diameter (L1 / d1) | 125.2 mm |
| Outer Ring Raceway Diameter E | 146 mm |
| Shaft Shoulder Diameter dₐ, min. | 114 mm |
| Housing Shoulder Diameter Dₐ, min. | 148 mm |
| Housing Shoulder Diameter Dₐ, max. | 151 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 110 kN |
| Basic Static Load Rating C₀ (kN) | 153 kN |
| Limiting Speed – Grease (r/min) | 6300 r/min |
| Limiting Speed – Oil-air (r/min) | 7000 r/min |
| Reference Grease Quantity Gref (cm³) | 17.5 cm³ |
| Fatigue Load Limit Pᵤ (kN) | 18 kN |
| Axial Static Stiffness – Guideline Value (N/µm) | 1140 N/µm |
| Material | |
| Weight (kg) | 1.65 kg |
| Radial Internal Clearance | C1 mm |
| Internal Design & Weight | |
| Cage Type | Non-metallic Cage |
| Mounting Dimensions | |
| Lubrication Port Thread / Size Φ1 | 142.9 |
N 1021 KTN9/SP 160 mm 105 mm 26 mm Frequently Asked Questions about N 1021 KTN9/SP Super-Precision Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Quality starts with raw material selection: CHG Bearing crafts N 1021 KTN9/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.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for N 1021 KTN9/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 extend the trouble-free lifespan of CHG Bearing N 1021 KTN9/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.
Each N 1021 KTN9/SP produced in CHG Bearing manufacturing facilities features accurately profiled corner chamfers complying with DIN 5412 / ISO standard corner radii. When designing mating shafts and housing shoulders, machining an undercut or fillet radius strictly within the inner ring clearance limit (105 mm bore side) ensures perfect planar contact without edge binding.
