312
300 Series Snap Ring Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
312
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
1.85 kg
Tolerance class
P0
Seal type
Open
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
-0.15mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
20525 lbf
Radial static load rating
17535 lbf
Limiting speed
6 X 1000 rpm
Lubrication
None
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:
$ 32.32
/ each
In Stock
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312 Bearing Product Overview & Core Advantages
The 312 metric ball bearing is a high-performance single row deep groove ball bearing designed for robust radial load applications. Engineered with precision-ground chrome steel components and a stainless steel cage, it delivers exceptional durability and operational reliability. Its open design allows for versatile lubrication options, making it suitable for a wide range of industrial environments requiring consistent performance under demanding conditions.
312 Bearing Model Code Explained, Specifications & Naming Convention
| Code | Interpretation | Technical Significance |
|---|---|---|
| 312 | Basic Model Number | Defines the bearing dimensions: 60mm bore, 130mm OD, 31mm width. |
| (No Suffix) | Open, Normal Clearance, P0 Tolerance | Standard open bearing with CN radial internal clearance and P0 tolerance class for general applications. |
312 Bearing Structural Features & Performance Benefits
- Robust Load Capacity: The single row deep groove construction is optimized to handle significant radial loads (Dynamic: 20,525 lbf, Static: 17,535 lbf), providing stable support for rotating shafts.
- High-Speed Capability: Featuring a lightweight, durable stainless steel cage, the bearing supports a limiting speed of 6,000 rpm, ensuring smooth operation in high-velocity applications.
- Precision Engineering: Manufactured to P0 tolerance class with a CN radial internal clearance, it offers consistent dimensional accuracy and running performance, reducing vibration and noise.
- Wide Temperature Range & Material Integrity: Constructed from high-grade chrome steel rings and balls, it operates reliably within a temperature range of -30°C to 120°C, maintaining performance under thermal stress.
312 Bearing Typical Application Areas
This versatile ball bearing is ideally suited for a multitude of industrial sectors, including:
- Electric Motors and Generators
- Gearboxes and Power Transmission Systems
- Industrial Pumps and Compressors
- Material Handling Equipment (e.g., conveyor pulleys)
- Agricultural Machinery
- General machinery requiring reliable radial load support.
