305283 DA
Double Row Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
305283 DA
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Double Row
Weight
10.6 kg
Tolerance class
P6 (ABEC-3)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
150 mm
Bore diameter tolerance
-0.018mm to 0
Outside diameter
230 mm
Outside diameter tolerance
-0.02mm to 0
Width
70 mm
Width tolerance
-0.05mm to 0
Chamfer dimension
2 mm
Distance from side face to load point
194 mm
Inner Ring Dimensions
Inner ring large-side shoulder diameter
181 mm
Outer Ring Dimensions
Shoulder diameter outer ring
208.1 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
45675 lbf
Radial static load rating
64125 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
Price available upon request.
Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
REQUEST A QUOTE
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
305283 DA Bearing Product Overview & Core Advantages
The 305283 DA is a double row angular contact ball bearing engineered for applications demanding high precision and reliability. This precision bearing is designed to accommodate combined loads—simultaneously supporting significant radial loads and axial loads in both directions. Its compact bearing dimensions (150 mm bore, 230 mm OD, 70 mm width) offer a space-saving solution without compromising performance. Manufactured to a P6 (ABEC-3) tolerance class and constructed from high-grade chrome steel, it delivers exceptional running accuracy and long service life in demanding industrial environments.
305283 DA Bearing Model Code Explained, Specifications & Naming Convention
The model number 305283 DA provides specific technical information about the bearing's configuration. Below is a detailed breakdown:
- 305283: The basic bearing designation, defining the standard bearing dimensions.
- D: Indicates the double row construction, providing high rigidity and load capacity.
- A: Signifies the angular contact design with a 30° contact angle, optimized for handling combined loads.
305283 DA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row ball complement and robust construction provide superior high rigidity, enabling the bearing to handle substantial radial dynamic load ratings of 45,675 lbf and radial static load ratings of 64,125 lbf.
- Optimized for Combined Loads: The angular contact geometry is specifically engineered to manage combined loads efficiently, making it ideal for complex loading scenarios.
- Precision & Speed: With a P6 tolerance class and a stainless steel cage, the bearing ensures smooth operation and contributes to a limiting speed of 3,000 rpm. The defined load point (194 mm) ensures stable performance.
- Durability: Components made from chrome steel offer excellent wear resistance and durability, suitable for a wide temperature range of -30°C to 110°C.
305283 DA Bearing Typical Application Areas
This versatile double row angular contact ball bearing is commonly specified in:
- Machine Tool Spindles
- Industrial Gearboxes
- Pumps and Compressors
- Material Handling Equipment
- Other precision machinery requiring high rigidity and reliable performance under combined loads.
