6312-2Z
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6312-2Z
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
1.78 kg
Tolerance class
P6
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
60 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
130 mm
Outside diameter tolerance
-0.015mm to 0
Width
31 mm
Width tolerance
-0.15mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
19154 lbf
Radial static load rating
11690 lbf
Limiting speed
5.6 X 1000 rpm
Lubrication
Grease
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 38.42
/ each
In Stock
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6312-2Z Bearing Product Overview & Core Advantages
The 6312-2Z is a single row deep groove ball bearing designed for exceptional performance in demanding industrial applications. This shielded bearing offers a robust solution for primarily radial loads, featuring high precision P6 tolerance for reliable operation. Its compact design and high limiting speed make it ideal for applications requiring smooth rotation and long service life. The pre-lubricated grease and integrated shields provide effective contamination protection, ensuring low-maintenance operation and enhanced reliability.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 63 | Series designation indicating medium duty, deep groove design |
| 12 | Bore diameter code (60 mm) |
| 2Z | Non-contact steel shields on both sides for effective contamination protection while maintaining high-speed capability |
6312-2Z Bearing Structural Features & Performance Benefits
- High Precision & Rigidity: Manufactured to P6 tolerance class with optimized raceway geometry and CN radial internal clearance for precise shaft positioning and vibration reduction.
- Superior Load Capacity: Engineered with chrome steel rings and balls to handle high radial dynamic load ratings (19,154 lbf) and radial static load ratings (11,690 lbf) for durable performance.
- Optimized High-Speed Performance: Features a lightweight stainless steel cage that reduces centrifugal forces, enabling a limiting speed of 5,600 rpm.
- Extended Service Life & Low Maintenance: The shielded design combined with factory-applied grease lubrication provides effective sealing against contaminants and retains lubricant, resulting in maintenance-free operation across a wide temperature range (-30°C to 120°C).
6312-2Z Bearing Typical Application Areas
- Electric Motors and Generators
- Industrial Gearboxes and Power Transmission Systems
- Pumps and Compressors
- Material Handling Equipment (Conveyors, Fans)
- Agricultural Machinery
- General Industrial Machinery requiring reliable rotational accuracy
