6312-ZJEM
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6312-ZJEM
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
1699 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
60 mm
Bore diameter tolerance
-0.015mm to 0
Outside diameter
130 mm
Outside diameter tolerance
-0.018mm to 0
Width
31 mm
Width tolerance
-0.150mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
18412 lbf
Radial static load rating
11735 lbf
Limiting speed
5.3 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 29.31
/ each
In Stock
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6312-ZJEM Bearing Product Overview & Core Advantages
The 6312-ZJEM is a single row deep groove ball bearing engineered for superior performance in demanding radial load applications. This precision bearing features a shielded design and is manufactured to ABEC 1 | ISO P0 tolerance standards, ensuring reliable operation and dimensional consistency. Its optimized internal geometry and high-quality chrome steel construction provide excellent durability and a high limiting speed, making it an ideal component for applications requiring a balance of performance, reliability, and cost-effectiveness.
6312-ZJEM Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| Z | One Shield (on one side). Protects against contaminants while allowing for higher speeds compared to contact seals. |
| J | Stamped Steel Cage, Pressed. A robust and lightweight cage design suitable for high-speed operation. |
| EM | Optimized Internal Design & C3 Radial Clearance. Features enhanced internal geometry for lower noise and vibration, and a greater than normal (C3) radial internal clearance for applications with thermal expansion or heavy load demands. |
6312-ZJEM Bearing Structural Features & Performance Benefits
- High-Speed Capability: The combination of the stamped steel J-cage and a single shield minimizes friction and allows for a high limiting speed of 5,300 rpm, making it suitable for demanding rotational applications.
- Robust Load Capacity: Built from high-grade chrome steel for both rings and balls, this bearing offers a substantial dynamic load rating of 18,412 lbf and a static load rating of 11,735 lbf, ensuring long service life under significant radial loads.
- Optimized Internal Geometry (EM): The EM suffix indicates an internal design optimized for reduced running noise and vibration, contributing to smoother and quieter machine operation.
- Flexible Installation: The C3 radial internal clearance provides accommodation for thermal expansion in the shaft or housing, preventing pre-loading and potential seizure in applications with varying operational temperatures.
6312-ZJEM Bearing Typical Application Areas
- Electric Motors and Generators
- Gearboxes and Transmission Systems
- Industrial Pumps and Compressors
- Material Handling Equipment (Conveyors, Fans)
- Agricultural Machinery
- General Industrial Machinery
