SKF 234415 BM1/SP 75x115x48 mm Precision Double Row Angular Contact Spindle Bearing

Construction and Internal Design

SKF 234415 BM1/SP is a precision double row angular contact spindle bearing engineered for applications requiring extremely high rotational accuracy and axial rigidity. This model strengthens the angular contact ball bearings category in the segment of precision spindle bearings used in advanced machine tools.

The double row angular contact configuration allows the bearing to support high axial loads in both directions while simultaneously carrying radial loads. The BM1 designation indicates a solid brass cage guided by the rolling elements, ensuring structural stability at high speeds. The SP accuracy class represents enhanced dimensional precision and controlled runout parameters suitable for spindle systems.

Optimized raceway geometry and contact angle are designed to deliver high axial stiffness, which is essential for CNC machining centers and precision grinding machines.

Technical Parameters

Type: precision double row angular contact spindle bearing
Brand: SKF
Designation: 234415 BM1/SP
Bore diameter: 75 mm
Outer diameter: 115 mm
Width: 48 mm
Accuracy class: SP
Cage: BM1 brass

Common long tail searches: SKF 234415 BM1 SP 75x115x48, precision spindle bearing 75 mm bore, angular contact bearing 115 mm OD, 234415 BM1 SP price, double row spindle bearing SKF.

Industrial Applications

SKF 234415 BM1/SP 75x115x48 mm is typically used in:

• CNC machining centers

• Milling and turning spindles

• Precision grinding machines

• High accuracy metalworking equipment

• Spindle units requiring high axial stiffness

In these applications, maintaining geometric stability and minimizing axial displacement is critical for machining accuracy and surface finish quality.

Operational Advantages

• High precision SP class

• Increased axial stiffness

• Stable performance at high rotational speeds

• Ability to carry significant axial loads in both directions

• Controlled runout for spindle systems

Angular contact ball bearings of the 2344 series in BM1/SP configuration are developed to maximize spindle stability and machining repeatability.

Main Description

SKF 234415 BM1/SP 75x115x48 mm is a precision double row angular contact spindle bearing designed for high accuracy rotation, axial rigidity and stable performance in advanced machine tools.

As part of the angular contact ball bearings range dedicated to spindle applications, model 234415 BM1/SP offers a compact solution capable of carrying high axial loads in both directions. The double row design often eliminates the need for additional locating bearings in spindle assemblies.

The 75x115x48 mm configuration is commonly selected for medium and larger CNC spindle systems where a combination of load capacity and geometric precision is required. The SP accuracy class ensures tight tolerances for radial and axial runout, directly influencing machining quality and tool life. The BM1 brass cage provides structural strength and reliable ball guidance under dynamic operating conditions.

SKF 234415 BM1/SP precision spindle bearing is a solution for machine tool manufacturers and maintenance departments seeking maximum accuracy, operational reliability and long term performance in high speed machining environments.

FAQ

Is SKF 234415 BM1/SP suitable for CNC spindle applications
Yes, it is specifically designed as a precision spindle bearing for CNC machine tools.

What does the SP accuracy class indicate
SP denotes enhanced dimensional precision and controlled runout suitable for high accuracy spindles.

Can the 75x115x48 bearing support axial loads in both directions
Yes, the double row angular contact design allows axial load support in both directions.

In which machines is 234415 BM1/SP most commonly used
It is widely used in CNC machining centers, lathes and precision grinding machines.