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 # Class EHDBearingAPI

 Last update: 09.03.2026 

<a id="VM_API_Pre_GearTrain_EHDBearingAPI"></a>

Namespace: [VM.API.Pre.GearTrain](VM.API.Pre.GearTrain.md)  
Assembly: VM.API.Pre.GearTrain.dll

This class implements APIs for  class.

```csharp
public static class EHDBearingAPI

```

#### Inheritance

object ← [EHDBearingAPI](VM.API.Pre.GearTrain.EHDBearingAPI.md)

#### Extension Methods

[LinkPropertyItemCache.GetLinkProperties(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkProperties_System_Object_VM_Models_Pre_LinkPropertyType_), [LinkPropertyItemCache.GetLinkPropertiesAndValues(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkPropertiesAndValues_System_Object_VM_Models_Pre_LinkPropertyType_), [LinkPropertyItemCache.GetLinkedObjects&lt;T&gt;(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkedObjects__1_System_Object_VM_Models_Pre_LinkPropertyType_)

## Methods

### <a id="VM_API_Pre_GearTrain_EHDBearingAPI_CreateEHDBearing_VM_Managed_DAFUL_GearTrain_GearTrainDocument_VM_API_Pre_Obj_VM_API_Pre_Obj_VM_Vector_VM_Vector_VM_Vector_VM_Models_Pre_ExpressionValueVariable_VM_Models_Pre_ExpressionValueVariable_VM_Models_Pre_ExpressionValueVariable_System_String_"></a> CreateEHDBearing(GearTrainDocument, Obj, Obj, Vector, Vector, Vector, ExpressionValueVariable, ExpressionValueVariable, ExpressionValueVariable, string)

Create .

```csharp
[NotNull(new string[] { "document" })]
[NotNullObj(new string[] { "baseGeometry", "actionGeometry" })]
[NotZeroMagnitude(new string[] { "zAxis", "xAxis" })]
[GreaterThanZero(new string[] { "baseRadius", "actionRadius", "width" })]
public static Obj CreateEHDBearing(this GearTrainDocument document, Obj baseGeometry, Obj actionGeometry, Vector position, Vector zAxis, Vector xAxis, ExpressionValueVariable baseRadius, ExpressionValueVariable actionRadius, ExpressionValueVariable width, string ehdBearingName = "")

```

#### Parameters

`document` [GearTrainDocument](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMDGearTrain/GearTrainDocument.cs)

The document to create the ehd bearing.

`baseGeometry` [Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)

The base geometry. The type is .

`actionGeometry` [Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)

The action geometry. The type is .

`position` Vector

The position.

`zAxis` Vector

The z axis.

`xAxis` Vector

The x axis.

`baseRadius` [ExpressionValueVariable](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/Pre/Data/VM.Models.Pre/Models/ExpressionValueVariable.cs)

The base radius.

`actionRadius` [ExpressionValueVariable](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/Pre/Data/VM.Models.Pre/Models/ExpressionValueVariable.cs)

The action radius.

`width` [ExpressionValueVariable](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/Pre/Data/VM.Models.Pre/Models/ExpressionValueVariable.cs)

The width.

`ehdBearingName` string

The name of the ehd bearing. If empty, default name starts with 'EHDBearing\_' will be generated and used.

#### Returns

[Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)

The new  object that is created by this API.

#### Exceptions

ArgumentNullException

Will be thrown if 'document' or 'baseGeometry' or 'actionGeometry' arguments are empty.

ArgumentException

Will be thrown if the magnitude of zAxis' or 'xAxis' is 0.

ArgumentException

Will be thrown if zAxis' is equal to 'xAxis'.

ArgumentException

Will be thrown if the 'baseRadius' is less than 'actionRadius'.

ArgumentNullException

Will be thrown if type of 'baseGeometry' is not .

ArgumentNullException

Will be thrown if type of 'actionGeometry' is not .

### <a id="VM_API_Pre_GearTrain_EHDBearingAPI_CreateEHDBearing_VM_Managed_DAFUL_GearTrain_GearTrainDocument_VM_API_Pre_Obj_VM_API_Pre_Obj_VM_Vector_VM_Vector_VM_Vector_VM_Vector_VM_Vector_VM_Vector_VM_Models_Pre_ExpressionValueVariable_VM_Models_Pre_ExpressionValueVariable_VM_Models_Pre_ExpressionValueVariable_System_String_"></a> CreateEHDBearing(GearTrainDocument, Obj, Obj, Vector, Vector, Vector, Vector, Vector, Vector, ExpressionValueVariable, ExpressionValueVariable, ExpressionValueVariable, string)

Create .

```csharp
[NotNull(new string[] { "document" })]
[NotNullObj(new string[] { "baseGeometry", "actionGeometry" })]
[NotZeroMagnitude(new string[] { "baseZAxis", "baseXAxis", "actionZAxis", "actionXAxis" })]
[GreaterThanZero(new string[] { "baseRadius", "actionRadius", "width" })]
public static Obj CreateEHDBearing(this GearTrainDocument document, Obj baseGeometry, Obj actionGeometry, Vector basePosition, Vector baseZAxis, Vector baseXAxis, Vector actionPosition, Vector actionZAxis, Vector actionXAxis, ExpressionValueVariable baseRadius, ExpressionValueVariable actionRadius, ExpressionValueVariable width, string ehdBearingName = "")

```

#### Parameters

`document` [GearTrainDocument](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMDGearTrain/GearTrainDocument.cs)

The document to create the ehd bearing.

`baseGeometry` [Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)

The base geometry. The type is .

`actionGeometry` [Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)

The action geometry. The type is .

`basePosition` Vector

The base position.

`baseZAxis` Vector

The base z axis.

`baseXAxis` Vector

The base x axis.

`actionPosition` Vector

The action position.

`actionZAxis` Vector

The action z axis.

`actionXAxis` Vector

The action x axis.

`baseRadius` [ExpressionValueVariable](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/Pre/Data/VM.Models.Pre/Models/ExpressionValueVariable.cs)

The base radius.

`actionRadius` [ExpressionValueVariable](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/Pre/Data/VM.Models.Pre/Models/ExpressionValueVariable.cs)

The action radius.

`width` [ExpressionValueVariable](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/Pre/Data/VM.Models.Pre/Models/ExpressionValueVariable.cs)

The width.

`ehdBearingName` string

The name of the ehd bearing. If empty, default name starts with 'EHDBearing\_' will be generated and used.

#### Returns

[Obj](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/API/VM.API.Pre/Models/Obj.cs)

The new  object that is created by this API.

#### Exceptions

ArgumentNullException

Will be thrown if 'document' or 'baseGeometry' or 'actionGeometry' arguments are empty.

ArgumentException

Will be thrown if the magnitude of baseZAxis' or 'baseXAxis' or 'actionZAxis' or 'actionXAxis' is 0.

ArgumentException

Will be thrown if baseZAxis' is equal to 'baseXAxis'.

ArgumentException

Will be thrown if actionZAxis' is equal to 'actionXAxis'.

ArgumentException

Will be thrown if the 'baseRadius' is less than 'actionRadius'.

ArgumentNullException

Will be thrown if type of 'baseGeometry' is not .

ArgumentNullException

Will be thrown if type of 'actionGeometry' is not .