Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-528126
5209 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
None, open bearing
Temperature range
-20 to +150 °C
Tolerance class
Tolerance class P0/PN2 / ABEC 1
Width
30.2mm
Reference
5209
Additional Reference:
10163753
Quick Order Code
BB-528126
Product Description
5209 Nachi Double Row Angular Contact Ball Bearing
This double row angular contact ball bearing from Nachi is engineered to handle simultaneous radial and axial loads in both directions, making it an excellent choice for demanding high-speed precision applications. The double row configuration provides superior load capacity and axial stiffness compared to single row bearings, delivering reliable performance across industrial and mechanical environments.
Key Features:
- Double row angular contact design for enhanced load capacity in both directions
- 30-40° contact angle for optimised load distribution and precision performance
- Sheet steel cage construction for reliable ball centring and reduced friction
- Standard arrangement with normal radial clearance for versatile applications
- Nachi precision engineering standards for dependable performance
- Open bearing design (unsealed) suitable for clean, dry operating environments
Specifications:
- Reference Number: 5209
- Bore Diameter: 45mm
- Outer Diameter: 85mm
- Width: 30.2mm
- Row Type: Double Row
- Manufacturer: Nachi
- Material: Standard bearing steel
- Cage Type: Sheet steel
- Clearance: Normal radial clearance
- Seal Type: Open bearing (unsealed)
- Tolerance Class: P0/PN2 (ABEC 1)
- Operating Temperature Range: -20°C to +150°C
- Outer Ring: Without flange/groove
Typical Applications:
The 5209 is widely used in high-speed, precision applications including:
- Gearboxes and transmission systems
- Machine tool spindles and precision equipment
- Electric motors and generators
- Automotive and industrial machinery
- Pump applications
- Heavy-duty equipment requiring combined radial and axial load capacity in both directions
This bearing represents an ideal balance of reliability, performance, and value for applications demanding robust handling of combined loading conditions in standard industrial environments.
