1210 K
1200 Series Self Aligning Ball Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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1210 K Bearing Product Overview & Core Advantages
The 1210 K is a double row angular contact ball bearing designed for applications requiring high rigidity and precise operation. This metric bearing features a tapered bore (1:12) for secure mounting on adapter sleeves or withdrawal sleeves. Its primary advantage lies in its ability to accommodate combined loads—significant radial loads with moderate axial loads in both directions. The compact design, with a width of only 20 mm, makes it an ideal solution for space-constrained, high-performance machinery where high rigidity and operational accuracy are paramount.
1210 K Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 1210 | Standard bearing designation indicating a 50 mm bore, 90 mm OD. |
| K | Denotes a tapered bore with a 1:12 ratio, facilitating precise axial positioning and a tight interference fit on a shaft. |
| (Implied) | Open seal type, allowing for relubrication and optimal heat dissipation. |
| (Implied) | CN radial internal clearance is the standard group, suitable for most common operating conditions. |
1210 K Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The double row ball complement and steep contact angle provide exceptional high rigidity, effectively resisting moment loads. This construction enables a high radial dynamic load rating of 5962 lbf, making it robust for demanding applications.
Tapered Bore for Secure Mounting: The K suffix indicates the tapered bore, which ensures a firm and precise fit on the shaft when used with an adapter sleeve, eliminating slippage and maintaining concentricity.
Optimized for Speed & Efficiency: The lightweight Nylon cage reduces centrifugal forces, contributing to a high limiting speed of 10,000 rpm. The open design and factory-applied lubrication further support smooth, high-speed operation.
Material & Compliance: Manufactured from high-grade Chrome Steel for both rings and balls, ensuring durability and long service life. The bearing is compliant with ROHS and REACH environmental directives.
1210 K Bearing Typical Application Areas
The 1210 K is engineered for use in a wide range of industrial machinery where precision and reliability are critical. Key application areas include:
- Electric Motors and Gearboxes
- Material Handling Conveyors
- Agricultural Machinery
- Pillow Block Housings and other mounted bearing units
- Industrial Fans and Blowers
