Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-498787
3904-2Z INA Double Row Angular Contact Ball Bearing 20mm x 37mm x 13mm
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Product Specification
Arrangement
Standard version
Brand
INA
Cage
Sheet steel cage
Clearance
Normal radial clearance
Contact angle
Without indication, usually 30-40 degrees
Inside Dia
20mm
Material
Standard bearing steel
Outer ring
Without flange/groove
Outside Dia
37mm
Row Type
Double
Seal
Cover on both sides
Temperature range
-20 to +120 °C
Tolerance class
Tolerance class P0/PN2 / ABEC 1
Width
13mm
Reference
3904-2Z
Additional Reference:
10048366
Quick Order Code
BB-498787
Product Description
The 3904-2Z INA Double Row Angular Contact Ball Bearing is a precision bearing designed for applications requiring simultaneous radial and axial load handling at moderate to high speeds. This compact bearing combines reliability with versatility, making it suitable for a wide range of industrial equipment.
Technical Specifications
- Brand: INA
- Reference: 3904-2Z
- Bore Diameter: 20mm
- Outer Diameter: 37mm
- Width: 13mm
- Type: Double Row Angular Contact Ball Bearing
- Contact Angle: 30-40 degrees (standard)
- Radial Clearance: Normal
- Tolerance Class: P0/PN2 (ABEC 1)
Key Features
- Double Row Configuration: Provides enhanced load capacity and precision compared to single row bearings
- Sealed Design: Metal covers on both sides protect against contamination and retain lubricant
- Sheet Steel Cage: Reduces bearing mass while maintaining structural integrity
- Standard Bearing Steel: Engineered for durability and consistent performance
- Temperature Range: Operates reliably between -20°C to +120°C
- Non-Flanged: Smooth outer ring design allows flexible mounting options
Applications
Ideal for use in gearboxes, electric motors, machine tool spindles, pumps, and other precision equipment requiring compact dimensions with dependable performance under combined loads.
