Manufactured by CHG Bearing, the N 1008 KTNHA/HC5SP is a precision Super-Precision Cylindrical Roller Bearings. Key dimensional parameters include a 40 mm bore diameter, a 68 mm outer diameter, and a 15 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 1008 KTNHA/HC5SP - Super-Precision Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | N 1008 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) | 40 mm |
| Width (B) | 15 mm |
| Outer Diameter (D) | 68 mm |
| Minimum Chamfer Dimension rmin | 1 mm |
| Inner Ring Chamfer | 0.6 mm |
| End-face Height Difference h | 2 mm |
| Inner-Ring Land Diameter (L1 / d1) | 50.6 mm |
| Outer Ring Raceway Diameter E | 61 mm |
| Shaft Shoulder Diameter dₐ, min. | 45 mm |
| Housing Shoulder Diameter Dₐ, min. | 62 mm |
| Housing Shoulder Diameter Dₐ, max. | 63 mm |
| Permissible Axial Displacement s₁, max. – TNHA Cage Option | 1.5 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 24.2 kN |
| Basic Static Load Rating C₀ (kN) | 26.5 kN |
| Limiting Speed – Grease (r/min) | 26000 r/min |
| Limiting Speed – Oil-air (r/min) | 36000 r/min |
| Reference Grease Quantity Gref (cm³) | 2.5 cm³ |
| Fatigue Load Limit Pᵤ (kN) | 2.6 kN |
| Axial Static Stiffness – Guideline Value (N/µm) | 580 N/µm |
| Material | |
| Weight (kg) | 0.19 kg |
| Radial Internal Clearance | C1 mm |
| Internal Design & Weight | |
| Cage Type | Non-metallic Cage |
N 1008 KTNHA/HC5SP 68 mm 40 mm 15 mm Frequently Asked Questions about N 1008 KTNHA/HC5SP Super-Precision Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The CHG Bearing N 1008 KTNHA/HC5SP Super-Precision Cylindrical Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF N 1008 KTNHA/HC5SP, FAG N 1008 KTNHA/HC5SP, NSK N 1008 KTNHA/HC5SP. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
For international ocean and air freight, CHG Bearing packs N 1008 KTNHA/HC5SP 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for N 1008 KTNHA/HC5SP, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Built for demanding industrial environments, the N 1008 KTNHA/HC5SP Super-Precision Cylindrical Roller Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
