Manufactured by CHG Bearing, the NN 3010 KTN/SPW33 is a precision Super-Precision Cylindrical Roller Bearings. Key dimensional parameters include a 50 mm bore diameter, a 80 mm outer diameter, and a 23 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 3010 KTN/SPW33 - Super-Precision Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NN 3010 KTN/SPW33 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Super-precision Cylindrical Roller Bearing |
| Design Type | Tapered Bore 1:12 |
| 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) | 50 mm |
| Width (B) | 23 mm |
| Outer Diameter (D) | 80 mm |
| Minimum Chamfer Dimension rmin | 1 mm |
| Inner Ring Chamfer | 1 mm |
| Outer Ring Chamfer | 0.6 mm |
| End-face Height Difference h | 1 mm |
| Inner-Ring Land Diameter (L1 / d1) | 61.3 mm |
| Outer Ring Raceway Diameter E | 72.5 mm |
| Shaft Shoulder Diameter dₐ, min. | 55 mm |
| Housing Shoulder Diameter Dₐ, min. | 74 mm |
| Housing Shoulder Diameter Dₐ, max. | 75 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 52.8 kN |
| Basic Static Load Rating C₀ (kN) | 73.5 kN |
| Limiting Speed – Grease (r/min) | 11000 r/min |
| Limiting Speed – Oil-air (r/min) | 13000 r/min |
| Reference Grease Quantity Gref (cm³) | 2.7 cm³ |
| Fatigue Load Limit Pᵤ (kN) | 8.5 kN |
| Axial Static Stiffness – Guideline Value (N/µm) | 1040 N/µm |
| Material | |
| Lubrication Groove Width | 3.8 mm |
| Lubrication Holes (qty × Ø mm) | 2 |
| Weight (kg) | 0.387 kg |
| Radial Internal Clearance | C1 mm |
| Internal Design & Weight | |
| Cage Type | Non-metallic Cage |
| Mounting Dimensions | |
| Lubrication Port Thread / Size Φ1 | 71.3 |
NN 3010 KTN/SPW33 80 mm 50 mm 23 mm Frequently Asked Questions about NN 3010 KTN/SPW33 Super-Precision Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To match diverse operational dynamics, CHG Bearing supplies NN 3010 KTN/SPW33 with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
Absolutely. The CHG Bearing NN 3010 KTN/SPW33 Super-Precision Cylindrical Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF NN 3010 KTN/SPW33, FAG NN 3010 KTN/SPW33, NSK NN 3010 KTN/SPW33. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for NN 3010 KTN/SPW33, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Model NN 3010 KTN/SPW33 is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 50 mm) and steep thermal gradients between inner and outer rings.
