1200J
1200 Series Self Aligning Ball Bearings
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Part No.
Part No.
1200J
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Double Row
Weight
0.034 kg
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
10 mm
Bore diameter tolerance
-0.008mm to 0
Bore type
Cylindrical
Outside diameter
30 mm
Outside diameter tolerance
-0.009mm to 0
Width
9 mm
Width tolerance
-0.12mm to 0
Chamfer dimension
0.6 mm
Inner Ring Dimensions
Shoulder diameter inner ring
16.5 mm
Outer Ring Dimensions
Shoulder diameter outer ring
23.5 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
1244 lbf
Radial static load rating
266 lbf
Limiting speed
36 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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1200J Bearing Product Overview & Core Advantages
The 1200J metric ball bearing is a double row angular contact ball bearing engineered for exceptional performance in compact spaces. This precision bearing is designed to accommodate significant combined loads, including both radial and bidirectional axial forces. Its double-row construction provides superior high rigidity and rotational accuracy, making it an ideal solution for applications demanding high reliability and long service life. Manufactured from chrome steel and pre-lubricated, it offers consistent operation within a defined temperature range.
1200J Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 1200 | Basic series designation, indicating the bearing size and type (Double Row). |
| J | Suffix denoting a specific internal design and normal radial internal clearance (CN group). |
| Open (Seal Type) | No contact seals, allowing for higher speeds and lower operating torque. Requires a clean operating environment or external sealing. |
| Lubricated | The bearing is pre-lubricated with grease, enabling immediate use and providing initial protection against wear. |
1200J Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row design significantly increases the number of load-carrying balls, resulting in exceptional stiffness and the ability to handle substantial combined radial and axial loads from both directions.
- Optimized for High Speeds: The pressed steel cage ensures stable ball guidance, contributing to smooth operation at the specified limiting speed of 36,000 rpm.
- Precision Engineering: Manufactured from high-grade chrome steel with tight dimensional tolerances, this bearing guarantees consistent performance and long-term precision.
- Ready-to-Install: The bearing is pre-lubricated, simplifying installation and providing immediate protection, reducing initial maintenance requirements.
1200J Bearing Typical Application Areas
This double row angular contact ball bearing
Small electric motors and gearboxes
Precision spindles in small machinery
Industrial fans and blowers
Pumps and compressors
Office automation equipment and precision instruments
