Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-504426
3812-2Z INA Double Row Angular Contact Ball Bearing 60mm x 78mm x 14mm
3812-2Z INA Double Row Angular Contact Ball Bearing
This compact INA double row angular contact ball bearing is engineered for high-speed precision applications requiring simultaneous radial and axial load capacity in a space-constrained design. The 3812-2Z combines efficient load distribution across two rows with robust sealed construction, making it ideal for demanding industrial equipment including gearboxes, spindles, pumps, and heavy-duty machinery.
Key Specifications:
- Bore Diameter: 60mm
- Outer Diameter: 78mm
- Width: 14mm
- Row Type: Double row configuration
- Contact Angle: 30-40 degrees for optimal combined load handling
- Arrangement: Standard version
Design Features:
- Manufacturer: INA - trusted precision bearing technology
- Material: Standard bearing steel for durability and reliability
- Cage: Polyamide cage for smooth, quiet operation and reduced friction
- Clearance: Normal radial clearance (P0/PN2 tolerance class - ABEC 1)
- Seal Type: 2Z covers on both sides for enhanced protection against contamination
- Operating Temperature Range: -20°C to +120°C
- Outer Ring: Without flange or groove
Typical Applications:
This bearing is particularly suitable for electric motors, pump bearings, compressors, automotive transmissions, and other industrial applications where precise speed control, combined loading conditions, and sealed protection are essential.

