305608
Double Row Angular Contact Ball Bearings
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Part No.
Part No.
305608
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Double Row
Weight
5.67 kg
Tolerance class
P6 (ABEC-3)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
160 mm
Bore diameter tolerance
-0.018mm to 0
Outside diameter
215 mm
Outside diameter tolerance
-0.02mm to 0
Width
56 mm
Width tolerance
-0.05mm to 0
Chamfer dimension
2 mm
Distance from side face to load point
185 mm
Inner Ring Dimensions
Inner ring large-side shoulder diameter
181 mm
Outer Ring Dimensions
Shoulder diameter outer ring
203.1 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
30375 lbf
Radial static load rating
49500 lbf
Limiting speed
3 X 1000 rpm
Lubrication
Lubricated
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
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305608 Bearing Product Overview & Core Advantages
The 305608 is a double row angular contact ball bearing designed for applications requiring exceptional precision and reliability. This precision bearing is engineered to accommodate combined loads, simultaneously supporting significant radial loads and bidirectional axial loads. Its compact design, featuring two rows of balls, provides high rigidity and stable rotational accuracy, making it ideal for demanding, high-performance machinery. Manufactured to a P6 (ABEC-3) tolerance class, it ensures consistent performance in high-speed and high-precision environments.
305608 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 305608 | Basic bearing designation indicating the bearing dimensions (160mm bore, 215mm OD, 56mm width). |
| (No suffix) | Indicates an open (non-shielded/non-sealed) design, allowing for direct lubrication and optimal heat dissipation. |
| P6 | Specifies the tolerance class (equivalent to ABEC-3), ensuring high dimensional and running accuracy. |
305608 Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row construction provides superior radial and axial stiffness, enabling the bearing to handle heavy combined loads effectively. The optimized internal geometry, including specific shoulder diameters, ensures stable load distribution.
- High-Speed Performance: The standard stainless steel cage ensures low friction and high strength, contributing to a high limiting speed of 3,000 rpm. The open design facilitates efficient lubrication and cooling.
- Precision & Durability: Manufactured from chrome steel for both rings and balls, the bearing offers high wear resistance and long service life. The P6 tolerance class guarantees precise operation and minimal vibration.
- Versatile Lubrication: The open seal type allows for flexible lubrication strategies, enabling the use of specialized greases or oil systems to meet specific operational temperature ranges (-30°C to 110°C).
305608 Bearing Typical Application Areas
This bearing is ideally suited for applications requiring high precision, rigidity, and speed. Key industries and equipment include:
- Machine Tool Spindles
- Industrial Pumps and Compressors
- Precision Gearboxes
- Material Handling Equipment
- Paper and Printing Machinery
