NSK 6007DDUCM is a single-row deep groove ball bearing featuring double contact rubber seals (DDU) and motor-optimized radial clearance (CM). Engineered for balanced radial/axial load capacity, low noise, and superior contamination resistance, it delivers stable, maintenance-light performance for electric motors, fans, pumps and small industrial machinery—ideal for high-speed, quiet-running general-purpose applications.
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NSK 6007DDUCM is a single-row deep groove ball bearing featuring double contact rubber seals (DDU) and motor-optimized radial clearance (CM). Engineered for balanced radial/axial load capacity, low noise, and superior contamination resistance, it delivers stable, maintenance-light performance for electric motors, fans, pumps and small industrial machinery—ideal for high-speed, quiet-running general-purpose applications.
Bore (d): 35 mm (tolerance: −0.008/+0 mm, P0/ABEC 1)
Outer diameter (D): 62 mm (tolerance: 0/+0.014 mm)
Width (B): 14 mm (tolerance: ±0.05 mm)
Chamfer (rmin): 1.0 mm
Weight: 0.15 kg
Dynamic load rating (Cr): 16.0 kN
Static load rating (C0r): 10.3 kN
Limiting speed (grease): 6,700 rpm
Internal clearance: CM (motor-special CN, ISO 5753)
Seal type: Double contact nitrile rubber (DDU)
Precision class: ISO P0 (ABEC 1)
Inner/outer rings: SUJ2 (100Cr6/AISI 52100) bearing steel. Hardness: 60–64 HRC; high rolling fatigue strength, wear resistance and dimensional stability.
Rolling balls: SUJ2 high-precision steel (7.938 mm). Hardness: 61–65 HRC; uniform load distribution and minimal friction.
Cage: Pressed steel (SPCC). Stable ball guidance, low vibration and high-speed compatibility.
Seals: Nitrile rubber (NBR), -20°C to +120°C temperature resistance.
Hot forging: Refined grain structure for enhanced structural integrity.
CNC turning: Dimensional precision ≤ ±0.003 mm for tight geometric tolerances.
Vacuum heat treatment: Uniform hardening/tempering, minimal distortion, consistent hardness.
Precision grinding: Raceway roughness Ra ≤ 0.16 μm.
Superfinishing: Raceway honing (Ra ≤ 0.05 μm) reduces friction and improves lubricant retention.
Automated assembly: Strict noise/vibration control for motor-grade quality.
Standard rating life (L10): 11,000–14,000 hours (ISO 281:2007; radial load 60% Cr, 1,800 rpm, clean NLGI 2 grease).
Key factors: Lubrication condition, contamination, operating temperature (-20°C to +120°C), shaft hardness (≥58 HRC) and alignment accuracy.
Electric motors: Fan, pump and small motor shafts (low noise, CM clearance).
HVAC systems: Blowers, condensers (DDU seal contamination protection).
Automotive: Alternators, water pumps (versatile radial/axial load capacity).
Household appliances: Washing machines, power tools (quiet, maintenance-light).
Industrial pumps: Centrifugal/gear pumps (continuous reliable operation).
General machinery: Conveyors, gearboxes (cost-effective universal performance).
Lubricant: NSK NS7 lithium complex grease (NLGI 2) or ISO VG 46–68 mineral oil.
Regreasing interval: 1,600–2,000 hours; 500 hours in dusty environments.
Grease quantity: 3.5–4.0 g (35–40% of internal free space).
Inspection: Every 500 hours; check noise, vibration, operating temperature (<75°C) and seal integrity.
Pre-installation: Clean shaft/housing to Ra ≤ 1.6 μm; inspect for burrs/corrosion.
Mounting: Hydraulic press (max 25 kN) or induction heating (70–80°C); avoid direct impactNSK Global.
Alignment: Radial misalignment ≤ 0.002 mm/100 mm; axial runout ≤ 0.003 mm.
Fastening: Lock nut torque: 30–40 Nm (grade 8.8 bolts).
Post-installation: Manual rotation check; temperature rise <30°C above ambient; vibration testing.
| BRAND | FONKIN/SKF/FAG/INA/NSK/NTN/TIMKEN/SNR/IKO/KOYO/ASAHI/FYH/THK/HIWIN/PMI |
| BEARINGS NO. | 6007DDUCM NSK |
| TYPE | DEEP GROOVE BALL BEARING |
| Inner(d)mm | 35 |
| Outer(D)mm | 62 |
| Width(B)mm | 14 |
| WEIGHT/KG | 0.159 |
| EAN CODE | 002917 6062926 |
+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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