Manufactured by CHG Bearing, the NN 3030 K/SPW33VS019 is a precision Super-Precision Cylindrical Roller Bearings. Key dimensional parameters include a 150 mm bore diameter, a 225 mm outer diameter, and a 56 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 3030 K/SPW33VS019 - Super-Precision Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NN 3030 K/SPW33VS019 |
| 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) | 150 mm |
| Width (B) | 56 mm |
| Outer Diameter (D) | 225 mm |
| Minimum Chamfer Dimension rmin | 2 mm |
| Inner Ring Chamfer | 2.1 mm |
| Outer Ring Chamfer | 1.1 mm |
| End-face Height Difference h | 2.5 mm |
| Inner-Ring Land Diameter (L1 / d1) | 179 mm |
| Outer Ring Raceway Diameter E | 206 mm |
| Shaft Shoulder Diameter dₐ, min. | 161 mm |
| Housing Shoulder Diameter Dₐ, min. | 208 mm |
| Housing Shoulder Diameter Dₐ, max. | 214 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 330 kN |
| Basic Static Load Rating C₀ (kN) | 570 kN |
| Limiting Speed – Grease (r/min) | 3800 r/min |
| Limiting Speed – Oil-air (r/min) | 4300 r/min |
| Reference Grease Quantity Gref (cm³) | 63 cm³ |
| Fatigue Load Limit Pᵤ (kN) | 62 kN |
| Axial Static Stiffness – Guideline Value (N/µm) | 3310 N/µm |
| Material | |
| Lubrication Groove Width | 8.5 mm |
| Lubrication Holes (qty × Ø mm) | 4.5 |
| Weight (kg) | 7.38 kg |
| Radial Internal Clearance | NSTD mm |
| Internal Design & Weight | |
| Cage Type | Machined Metal Cage |
| Mounting Dimensions | |
| Lubrication Port Thread / Size Φ1 | 201.7 |
NN 3030 K/SPW33VS019 225 mm 150 mm 56 mm Frequently Asked Questions about NN 3030 K/SPW33VS019 Super-Precision Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
When fitting NN 3030 K/SPW33VS019 over a 150 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.
To match diverse operational dynamics, CHG Bearing supplies NN 3030 K/SPW33VS019 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.
Yes, 100% of NN 3030 K/SPW33VS019 Super-Precision Cylindrical Roller Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
Absolutely. The CHG Bearing NN 3030 K/SPW33VS019 Super-Precision Cylindrical Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF NN 3030 K/SPW33VS019, FAG NN 3030 K/SPW33VS019, NSK NN 3030 K/SPW33VS019. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
