Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-528128
5209 ZZ Nachi Double Row Angular Contact Ball Bearing 45mm x 85mm x 30.2mm
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Product Specification
Arrangement
Standard version
Brand
Nachi
Cage
Sheet steel cage
Clearance
Normal radial clearance
Contact angle
Without indication, usually 30-40 degrees
Inside Dia
45mm
Material
Standard bearing steel
Outer ring
Without flange/groove
Outside Dia
85mm
Row Type
Double
Seal
Cover on both sides
Temperature range
-20 to +150 °C
Tolerance class
Tolerance class P0/PN2 / ABEC 1
Width
30.2mm
Reference
5209ZZ
Additional Reference:
10163756
Quick Order Code
BB-528128
Product Description
5209 ZZ Nachi Double Row Angular Contact Ball Bearing
The 5209 ZZ is a premium double row angular contact ball bearing from Nachi, engineered to deliver exceptional performance in high-speed precision applications requiring simultaneous radial and axial load handling. With a 45mm bore and 85mm outer diameter, this bearing combines robust construction with reliable sealing protection, making it an excellent choice for demanding industrial machinery and equipment.
Key Features & Benefits
- Double row construction for enhanced load carrying capacity and rigidity in both radial and axial directions
- 30-40° contact angle for optimal load distribution and efficient performance under combined loading
- Sheet steel cage design for stable ball positioning and consistent operation across variable speed ranges
- Protective covers on both sides (ZZ) for effective contamination protection and extended bearing life
- Standard arrangement configuration for versatile installation flexibility
- Normal radial clearance suitable for most industrial mounting applications
- Nachi quality assurance – trusted by precision engineering professionals worldwide
Specifications
- Reference: 5209 ZZ
- Manufacturer: Nachi
- Bore Diameter: 45mm
- Outer Diameter: 85mm
- Width: 30.2mm
- Type: Double Row Angular Contact
- Contact Angle: 30-40°
- Cage Material: Sheet steel
- Radial Clearance: Normal
- Tolerance Class: P0/PN2 / ABEC 1
- Operating Temperature Range: -20°C to +150°C
- Seal Type: Covers on both sides (ZZ)
- Material: Standard bearing steel
- Outer Ring: Without flange/groove
- Arrangement: Standard version
Ideal Applications
This versatile double row bearing is particularly suited for:
- High-speed spindles and precision machine tools
- Electric motors and servo drives
- Gearboxes and transmission systems
- Pump and compressor assemblies
- Industrial machinery requiring bi-directional axial load handling
- Heavy-duty equipment operating across extended temperature ranges
- Applications where contamination protection and sealed bearing design are essential
The combination of double row geometry, protective covers, and wide operating temperature range makes the 5209 ZZ an excellent investment for reliability and long-term performance in challenging industrial environments.
