1217SK
1200 Series Self Aligning Ball Bearings
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Part No.
Part No.
1217SK
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Double Row
Weight
2.05 kg
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
85 mm
Bore diameter tolerance
-0.02mm to 0
Bore type
Taper 1:12
Outside diameter
150 mm
Outside diameter tolerance
-0.018mm to 0
Width
28 mm
Width tolerance
-0.2mm to 0
Chamfer dimension
2 mm
Inner Ring Dimensions
Shoulder diameter inner ring
107 mm
Outer Ring Dimensions
Shoulder diameter outer ring
131 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
10980 lbf
Radial static load rating
4680 lbf
Limiting speed
5.6 X 1000 rpm
Lubrication
Lubricated
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
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In Stock
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1217SK Bearing Product Overview & Core Advantages
The 1217SK is a double row angular contact ball bearing designed for demanding applications requiring high precision and reliability. This metric bearing features a tapered bore (1:12) for secure shaft mounting. Its core advantage lies in its ability to accommodate significant radial loads while offering high operational rigidity. Manufactured from chrome steel and featuring a stainless steel cage, it is pre-lubricated for immediate use and delivers consistent performance within a wide temperature range.
1217SK Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 12 | Series designation, indicating a specific internal geometry and load capacity. |
| 17 | Bore diameter code (85 mm). |
| SK | Indicates a tapered bore (1:12) and a conical seating surface for precise adapter sleeve mounting. |
1217SK Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row ball bearing construction provides superior radial stiffness, making it ideal for applications with heavy radial loads and requiring minimal shaft deflection.
- Precision Tapered Bore: The 1:12 taper bore ensures a tight, slip-free fit on the shaft when used with an adapter sleeve, enhancing rotational accuracy and power transmission.
- Optimized for Performance: The stainless steel cage ensures low wear and reliable operation at the specified limiting speed of 5,600 rpm. The standard CN radial internal clearance offers a balance for most industrial applications.
- Ready-to-Use & Durable: The bearing comes pre-lubricated and features an open design, allowing for easy re-lubrication in service. The chrome steel construction provides excellent durability and fatigue resistance.
1217SK Bearing Typical Application Areas
This bearing is engineered for robust machinery and precision equipment, including:
- Industrial Gearboxes and Power Transmission Systems
- Material Handling Equipment such as conveyor pulleys
- Agricultural Machinery
- Vibrating Screens and other heavy-duty industrial applications
