1212J
1200 Series Self Aligning Ball Bearings
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Part No.
Part No.
1212J
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Double Row
Weight
0.9 kg
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
60 mm
Bore diameter tolerance
-0.015mm to 0
Bore type
Cylindrical
Outside diameter
110 mm
Outside diameter tolerance
-0.015mm to 0
Width
22 mm
Width tolerance
-0.15mm to 0
Chamfer dimension
1.5 mm
Inner Ring Dimensions
Shoulder diameter inner ring
78 mm
Outer Ring Dimensions
Shoulder diameter outer ring
95.6 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
7020 lbf
Radial static load rating
2745 lbf
Limiting speed
8 X 1000 rpm
Lubrication
Lubricated
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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1212J Bearing Product Overview & Core Advantages
The 1212J is a double row deep groove ball bearing designed for applications requiring robust radial load capacity and compact design. This metric bearing features an open construction, enabling high-speed operation up to 8,000 rpm while maintaining dimensional stability with precise tolerances. Its primary advantage lies in its ability to support significant radial loads (7020 lbf dynamic rating) within a constrained axial space, making it an ideal choice for high-reliability industrial applications demanding high rigidity and consistent performance.
1212J Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 1212 | Standard bearing series designation indicating a 60 mm bore diameter, 110 mm outside diameter, and 22 mm width. |
| J | Suffix denoting a CN radial internal clearance (Normal group), which is the standard clearance for general applications. |
1212J Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row ball construction provides superior radial load support compared to single row designs, enhancing system stability and lifespan under heavy loads.
- Optimized for High Speeds: The steel cage ensures reliable ball guidance at the limiting speed of 8,000 rpm, minimizing friction and heat generation.
- Precision Engineering: Manufactured with tight dimensional tolerances (bore and OD tolerance: -0.015mm to 0) for precise shaft and housing fits, critical for high-precision applications.
- Material Integrity: Components made from chrome steel offer excellent hardness, wear resistance, and durability across a wide temperature range (-30° to 110 °C).
- Standard Internal Clearance: The CN clearance provides optimal performance for most operating conditions, balancing fit, thermal expansion, and load distribution.
1212J Bearing Typical Application Areas
- Electric Motors and Gearboxes requiring reliable radial support at moderate to high speeds.
- Industrial Pumps and Fans where compact bearing dimensions and radial load capacity are critical.
- Material Handling Equipment such as conveyor rollers and pulleys.
- Agricultural Machinery components subject to heavy radial loads.
- General machinery and power transmission systems utilizing standard ball bearings.
