The 7205B Angular Contact Ball Bearing is a high-speed precision bearing designed with a 40° contact angle, allowing it to support higher axial loads compared to standard angular contact bearings. It is ideal for applications requiring both high rotational speed and strong axial load capacity.
Manufactured from premium chrome steel, and available in stainless steel and ceramic options, the 7205B bearing offers excellent rigidity, low friction, and reliable performance under demanding conditions. Its optimized internal geometry ensures smooth operation, reduced heat generation, and extended service life.
The 7205B bearing is commonly used in paired or duplex configurations to support axial loads in both directions, making it suitable for high-speed spindles, precision machinery, and industrial equipment.
Key Features
- 40° contact angle for higher axial load capacity
- High-speed performance with low friction
- Excellent rigidity and stability
- Suitable for duplex and multi-bearing arrangements
- Smooth operation with reduced heat generation
- Optional materials: stainless steel and ceramic
- Ideal for precision and high-speed applications
Technical Specifications
| Parameter | Value |
|---|---|
| Bearing Model | 7205B |
| Inner Diameter (d) | 25 mm |
| Outer Diameter (D) | 52 mm |
| Width (B) | 15 mm |
| Contact Angle | 40° |
| Material | Chrome Steel / Stainless Steel / Ceramic |
| Cage Material | Steel / Brass / Nylon |
| Lubrication | Grease / Oil |
| Precision Rating | P0 / P6 / P5 / P4 |
| Operating Temperature | -20°C to 120°C |
Applications
The 7205B angular contact ball bearing is widely used in:
- High-speed machine tool spindles
- CNC machinery
- Industrial motors
- Pumps and compressors
- Precision equipment
- Automation and robotics systems
Why Choose Us
- Factory direct supply with stable quality
- OEM and customization services available
- High precision manufacturing capability
- Fast delivery and global shipping
- Strict quality inspection standards
FAQ
Q1: What does the “B” in 7205B mean?
A: “B” indicates a 40° contact angle, which provides higher axial load capacity compared to standard angular contact bearings.
Q2: Can 7205B bearings be used in pairs?
A: Yes, they are commonly mounted in pairs to support axial loads in both directions.
Q3: Do you offer high-precision or ceramic versions?
A: Yes, we provide high-precision grades (P5/P4) and ceramic options for high-speed and demanding applications.
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