1305K
1300 Series Self Aligning Ball Bearings
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Part No.
Part No.
1305K
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Double Row
Weight
0.26 kg
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
25 mm
Bore diameter tolerance
-0.01mm to 0
Bore type
Taper 1:12
Outside diameter
62 mm
Outside diameter tolerance
-0.013mm to 0
Width
17 mm
Width tolerance
-0.12mm to 0
Chamfer dimension
1.1 mm
Inner Ring Dimensions
Shoulder diameter inner ring
38 mm
Outer Ring Dimensions
Shoulder diameter outer ring
50.7 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
4275 lbf
Radial static load rating
1215 lbf
Limiting speed
15 X 1000 rpm
Lubrication
Lubricated
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Nylon
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
Price available upon request.
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1305K Bearing Product Overview & Core Advantages
The 1305K metric bearing is a double row angular contact ball bearing engineered for applications demanding high rigidity and the capacity to handle combined loads. Its double row design provides superior radial and bidirectional axial load support in a compact 17mm width. Manufactured with precision tolerances and featuring a nylon cage, this bearing is optimized for smooth operation and is pre-lubricated for immediate use, making it an ideal solution for high-reliability industrial applications.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 1305 | Standard bearing series designation, indicating bearing dimensions (25mm bore, 62mm OD) |
| K | Indicates a tapered bore with a 1:12 ratio for precise shaft fitting |
1305K Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row construction provides significantly increased radial stiffness and enables the bearing to support substantial combined loads (radial and bidirectional axial loads) simultaneously.
- Precision Tapered Bore: The 1:12 tapered bore allows for precise axial positioning and secure interference fits on the shaft, minimizing inner ring creep and ensuring stable performance.
- Optimized Cage Design: The lightweight nylon cage reduces centrifugal forces, minimizes friction, and contributes to quieter operation and lower operating temperatures, suitable for the specified limiting speed.
- Superior Material & Pre-Lubrication: Components made from chrome steel offer high durability and fatigue resistance. The bearing is factory-lubricated, ensuring immediate operation and protection during the initial run-in period.
1305K Bearing Typical Application Areas
This double row angular contact ball bearing is ideally suited for a range of demanding industrial applications, including:
- Electric Motors and Gearboxes
- Light to medium-duty Pillow Block Bearings
- Agricultural Machinery and conveyor systems
- Various industrial machinery requiring robust support for combined loads
