Manufactured by CHG Bearing, the NN 3014 TN/SPW33 is a precision Super-Precision Cylindrical Roller Bearings. Key dimensional parameters include a 70 mm bore diameter, a 110 mm outer diameter, and a 30 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.
NN 3014 TN/SPW33 - Super-Precision Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NN 3014 TN/SPW33 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Super-precision Cylindrical Roller Bearing |
| Design Type | Cylindrical Bore |
| Structure (Drawing Reference) | Complete Bearing |
| Number of Rows | 2 |
| Ring Type | None |
| Design | NN Design |
| Tolerance Class | SP |
| Bearing Material | Bearing Steel |
| Coating | None |
| Sealing | None |
| Lubricant | None |
| Features | Annular Lubrication Groove and Lubrication Holes |
| Number of Flanges – Outer Ring | 0 |
| Number of Ribs – Inner Ring | 3 |
| Dimensions | |
| Bore Diameter (d) | 70 mm |
| Width (B) | 30 mm |
| Outer Diameter (D) | 110 mm |
| Minimum Chamfer Dimension rmin | 1 mm |
| Inner Ring Chamfer | 1.1 mm |
| End-face Height Difference h | 2 mm |
| Inner-Ring Land Diameter (L1 / d1) | 85.6 mm |
| Outer Ring Raceway Diameter E | 100 mm |
| Shaft Shoulder Diameter dₐ, min. | 76.5 mm |
| Housing Shoulder Diameter Dₐ, min. | 101 mm |
| Housing Shoulder Diameter Dₐ, max. | 103.5 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 96.8 kN |
| Basic Static Load Rating C₀ (kN) | 150 kN |
| Limiting Speed – Grease (r/min) | 8000 r/min |
| Limiting Speed – Oil-air (r/min) | 9000 r/min |
| Reference Grease Quantity Gref (cm³) | 5.9 cm³ |
| Fatigue Load Limit Pᵤ (kN) | 17.3 kN |
| Axial Static Stiffness – Guideline Value (N/µm) | 1610 N/µm |
| Material | |
| Lubrication Groove Width | 5.5 mm |
| Lubrication Holes (qty × Ø mm) | 3 |
| Weight (kg) | 0.986 kg |
| Radial Internal Clearance | C1 mm |
| Internal Design & Weight | |
| Cage Type | Non-metallic Cage |
| Mounting Dimensions | |
| Lubrication Port Thread / Size Φ1 | 98.4 |
NN 3014 TN/SPW33 110 mm 70 mm 30 mm Frequently Asked Questions about NN 3014 TN/SPW33 Super-Precision Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for NN 3014 TN/SPW33. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Sourcing NN 3014 TN/SPW33 directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Super-Precision Cylindrical Roller Bearings.
Standard batches of CHG Bearing NN 3014 TN/SPW33 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 NN 3014 TN/SPW33 Super-Precision Cylindrical Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF NN 3014 TN/SPW33, FAG NN 3014 TN/SPW33, NSK NN 3014 TN/SPW33. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
