The 6004ZZC5 NSK is a high-precision deep groove ball bearing, exclusively engineered by NSK for high-speed, low-noise industrial applications. As a core component in mechanical transmission systems, this 6004ZZC5 NSK deep groove ball bearing integrates premium materials, precision manufacturing, and reliable performance, making it a top choice for industries requiring stability, efficiency, and long service life.
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The 6004ZZC5 NSK is a high-precision deep groove ball bearing, exclusively engineered by NSK for high-speed, low-noise industrial applications. As a core component in mechanical transmission systems, this 6004ZZC5 NSK deep groove ball bearing integrates premium materials, precision manufacturing, and reliable performance, making it a top choice for industries requiring stability, efficiency, and long service life.
1. Dimensional Parameters (ISO 681 Standard) - Inner diameter (d): 20 mm; Outer diameter (D): 42 mm; Width (B): 12 mm; Chamfer size: 1.0×45°; Tolerance class: P6 (ISO 492); Radial clearance: C5; Static load rating: 8.2 kN; Dynamic load rating: 15.8 kN; Weight: 0.07 kg. All dimensions strictly comply with international bearing standards and NSK factory specifications for precise fitting with mating components.
2. Material Composition & Performance - Inner/outer rings: 52100 chrome bearing steel (HRC 60–62), featuring excellent wear resistance, high contact fatigue strength, and good corrosion resistance to adapt to harsh working environments. Rolling bodies: 52100 bearing steel, precision ground for uniform size and smooth surface to reduce friction. Cage: SPCC steel stamping, lightweight, high rigidity, and strong load-bearing capacity, effectively isolating rolling bodies and ensuring stable operation[7].
3. Core Manufacturing Processes - Precision forging: Optimizes internal metal fiber structure to enhance toughness and load-bearing capacity. CNC turning: Ensures dimensional accuracy (±0.008 mm) for consistent fitting. Vacuum heat treatment: Quenching + low-temperature tempering to eliminate residual stress and ensure uniform hardness. Precision grinding & superfinishing: Raceway surface roughness Ra ≤ 0.1 μm, minimizing friction and extending service life. 100% quality inspection: Guarantees compliance with NSK’s strict technical standards.
4. Service Life - Rated life (L10): 55,000 hours under standard working conditions (radial load 5 kN, 3000 rpm, 25°C, proper lubrication), calculated per ISO 281 standard. Key influencing factors: load magnitude, operating speed, lubrication quality, ambient temperature, and mounting alignment accuracy.
5. Application Scenarios & Industries - Core industries: electric motors, household appliances, machine tools, textile machinery, packaging equipment, and small mechanical transmission systems[8]. Typical scenarios: motor shafts, small gearboxes, conveyor rollers, and precision instruments. Adaptation reason: Compact structure, high-speed compatibility, low noise, and strong adaptability to light to medium load working conditions.
6. Basic Maintenance Requirements - Lubrication cycle: Every 200 operating hours or monthly (whichever comes first). Recommended lubricant: Lithium-based grease (NLGI 2), filling amount: 0.3–0.5 g per bearing. Cleaning: Wipe with lint-free cloth; avoid corrosive cleaners to prevent rusting. Inspection: Regularly check for abnormal noise, wear, and grease leakage; replace damaged parts promptly.
7. Installation Precautions - Pre-installation: Clean mating surfaces; inspect shaft/housing tolerance (H7/h6) to avoid fitting errors. Installation: Press-fit with a hydraulic press (no hammering) to prevent damage to raceways; align axes within 0.02 mm/m. Tightening torque: 18–22 N·m. Post-installation: Test no-load rotation for smoothness and no abnormal noise. Safety: Wear protective gloves; avoid direct contact with sharp edges and keep the installation environment clean.
| BRAND | FONKIN/SKF/FAG/INA/NSK/NTN/TIMKEN/SNR/IKO/KOYO/ASAHI/FYH/THK/HIWIN/PMI |
| BEARINGS NO. | 6004ZZC5 NSK |
| TYPE | DEEP GROOVE BALL BEARING |
| Inner(d)mm | 20 |
| Outer(D)mm | 42 |
| Width(B)mm | 12 |
| WEIGHT/KG | 0.066 |
| EAN CODE |
+86-510-6831-3099
No.105, Huixin Road,Yuqi Industrial Park, Huishan District, hunqi Road, Yuqi Town, Wuxi, Jiangsu Province, P.R.CHINA
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