Manufactured by CHG Bearing, the N 1012 KTN/SP is a precision Super-Precision Cylindrical Roller Bearings. Key dimensional parameters include a 60 mm bore diameter, a 95 mm outer diameter, and a 18 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 1012 KTN/SP - Super-Precision Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | N 1012 KTN/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) | 60 mm |
| Width (B) | 18 mm |
| Outer Diameter (D) | 95 mm |
| Minimum Chamfer Dimension rmin | 1 mm |
| Inner Ring Chamfer | 0.6 mm |
| End-face Height Difference h | 2.5 mm |
| Inner-Ring Land Diameter (L1 / d1) | 73.3 mm |
| Outer Ring Raceway Diameter E | 86.1 mm |
| Shaft Shoulder Diameter dₐ, min. | 66.5 mm |
| Housing Shoulder Diameter Dₐ, min. | 87 mm |
| Housing Shoulder Diameter Dₐ, max. | 88.5 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 42.9 kN |
| Basic Static Load Rating C₀ (kN) | 53 kN |
| Limiting Speed – Grease (r/min) | 11000 r/min |
| Limiting Speed – Oil-air (r/min) | 12000 r/min |
| Reference Grease Quantity Gref (cm³) | 4.7 cm³ |
| Fatigue Load Limit Pᵤ (kN) | 6.3 kN |
| Axial Static Stiffness – Guideline Value (N/µm) | 680 N/µm |
| Material | |
| Weight (kg) | 0.413 kg |
| Radial Internal Clearance | C1 mm |
| Internal Design & Weight | |
| Cage Type | Non-metallic Cage |
| Mounting Dimensions | |
| Lubrication Port Thread / Size Φ1 | 84.6 |
N 1012 KTN/SP 95 mm 60 mm 18 mm Frequently Asked Questions about N 1012 KTN/SP Super-Precision Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
When fitting N 1012 KTN/SP over a 60 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 1012 KTN/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.
To extend the trouble-free lifespan of CHG Bearing N 1012 KTN/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.
Every production batch of CHG Bearing N 1012 KTN/SP Super-Precision Cylindrical Roller Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
