Dimensions
| Bore diameter |
12 mm |
| Outside diameter |
37 mm |
| Width |
12 mm |
6301-2Z Deep Groove Ball Bearing with Seals/Shields: Precision Engineering for Demanding Applications
Technical Overview
The 6301-2Z deep groove ball bearing represents an optimized solution for applications requiring reliable rotational performance with minimal maintenance. Featuring integral sealing (denoted by "2Z" suffix), this bearing combines dimensional precision (12×37×12mm) with advanced sealing technology to deliver exceptional service life in contaminated environments.
Core Technical Parameters
- Bore Diameter: 12 mm ±0.0015mm tolerance
- Outer Diameter: 37 mm ±0.0035mm tolerance
- Width: 12 mm ±0.1mm tolerance
- Dynamic Load Rating (C): 12.8 kN
- Static Load Rating (C₀): 6.65 kN
- Limiting Speed (Gre): 14,000 rpm
- Limiting Speed (Oil): 17,000 rpm
Engineering Advantages
1. Advanced Sealing Architecture
The dual-contact LLU-type seals:
- Maintain >98% lubricant retention after 5,000 operational hours
- Exclude particulate contaminants up to ISO 4406 18/16/13 cleanliness level
- nitrile rubber sealing elements with 85±5 Shore A hardness
- Operate effectively in -40°C to +120°C temperature range
2. Friction-Optimized Design
- Torque reduction up to 40% compared to standard sealed bearings
- Precision-ground raceways with Ra ≤0.05μm surface finish
- Low-visc grease formulation (ISO VG 32 equivalent)
- Optimized ball complement (8×6.35mm grade 10 balls)
- Vibration levels ≤18dB(A) at 3,000 rpm
- Axial load capacity: 0.5×C₀ radial rating
- Harmonic distortion <3ated testing demonstrates 10,000+ hour L10 life
Application Spectrum
Industrial Implementations
- Electric Motors: ≤5kW fractional horsepower motors
- Automotive Subsystems: Alternators, water pumps, HVAC actuators
- Material Handling: Conveyor rollers, packaging machinery
- Precision Equipment: Medical devices, laboratory instruments
Environmental Compatibility
- IP54 equivalent protection rating
- Chemical resistance to:
- Hydraulic fluids (MIL-PRF-5606)
- Coolants (≤20% concentration)
- Mild solvents (pH 5-9 range)
- Relubrication interval: 8,000-10,000 operational hours
- temperature monitoring recommended >90°C
- Axial preload tolerance: ≤0.05mm
- Mounting pressure: ≤30kN (hydraulic press recommended)
TKD Information
- Title: 6301-2Z Sealed Deep Groove Ball Bearing | High-Speed Low-Maintenance Solution
- Keywords:
- Precision sealed ball bearings
- Low friction bearing 12mm bore
- High RPM industrial bearings
- 6301-2Z technical specifications
- Maintenance-free bearing solutions
- Description: 6301-2Z sealed deep groove ball bearing offers optimized performance for high-speed applications with 12mm bore diameter, 37mm OD, and advanced contaminant exclusion. load capacity, and extended service intervals.
