14.5.6.1. Rolling Bearing

14.5.6.1.1. Deep Groove Ball Bearing
14.5.6.1.1.1. General

Figure 14.231: Deep groove ball bearing General tab

Deep groove ball bearing General tab

Figure 14.232: Parameters in the Deep groove ball bearing General tab

ParameterDescription

Dimension

(Range)

1. NameUse to set the bearing name.N/A
2. Bearing TypeBearing type (read only)N/A
3. Color(inner)Select the color of the inner raceway.N/A
4. Color(outer)

Select the color of the outer raceway.

This is also applied to ball color.

N/A
5. Damping ratioUse to set the damping ratio.N/A

14.5.6.1.1.2. Dimensions

Figure 14.233: Rolling bearing Dimensions tab

Rolling bearing Dimensions tab

Figure 14.234: Parameters in the Rolling bearing Dimensions tab

ParameterDescription

Dimension

(Range)

1. BoreUse to set the bore.Length (mm)
2. Outer diameterUse to set the outer diameter.Length (mm)
3. WidthUse to set the width.Length (mm)
4. Ball pitch diameterUse to set the ball pitch diameter.Length (mm)
5. Number of ballUse to set the number of balls.N/A
6. Ball diameterUse to set the ball diameter.Length (mm)
7. Inner raceway shoulder diameterUse to set the shoulder diameter the of inner raceway.Length (mm)
8. Outer raceway shoulder boreUse to set the shoulder diameter of the outer raceway.Length (mm)
9. Rounding radiusUse to set the rounding radius.Length (mm)

14.5.6.1.1.3. Internal

Figure 14.235: Deep Groove Ball Bearing Internal tab

Deep Groove Ball Bearing Internal tab

Figure 14.236: Parameters in the Deep groove ball bearing Internal tab

ParameterDescription

Dimension

(Range)

1. Outer raceway groove radiusUse to set the groove radius of the outer raceway.Length (mm)
2. Inner raceway groove radiusUse to set the groove radius of the inner raceway.Length (mm)
3. Radial internal clearanceUse to set the radial clearance.Length (um)

14.5.6.1.1.4. Component Analysis
Stiffness

Figure 14.237: Component Analysis tab - Deep groove ball bearing designer (Stiffness)

Component Analysis tab - Deep groove ball bearing designer (Stiffness)

Figure 14.238: Parameters in Component Analysis tab - Stiffness of Deep groove ball bearing

ParameterDescription

Dimension

(Range)

1. Calculate StiffnessUse to run the stiffness calculation.N/A
2. Radial StiffnessShow the radial stiffness graph on plot window.N/A
3. Axial stiffnessShow the axial stiffness graph on plot window.N/A
4. Tilt stiffnessShow the tilt stiffness graph on plot windowN/A
5. Plot WindowShow the deformation-stiffness graphN/A
6. Export PlotUse to export the plot result. This will create a file including the radial, axial, and tilt stiffness results.N/A
7. Export MatrixUse to export the matrix result. This will create a file including the matrix result.N/A
8. Matrix ResultShow the bearing stiffness matrix.

N/mm

Or

Nmm/deg

9. Show Advanced…Use to set whether you want to set advanced parameters. If selected, you can modify the parameters to calculate stiffness and when you click the calculate stiffness button again, the program will use these parameters.N/A
10. Number of DataUse to set the number of data to calculate the stiffness plot result.EA
11. Maximum Deformation for Radial DirectionUse to set the maximum deformation for radial direction to calculate the radial stiffness plot result.mm
12. Maximum Deformation for Axial DirectionUse to set the maximum deformation for axial direction to calculate the axial stiffness plot result.mm
13. Maximum Deformation for TiltUse to set the maximum deformation for tilt to calculate the tilt stiffness result.deg
14. Deformation X (mm)Use to set the deformation x to calculate the stiffness matrix result.mm
15. Deformation Y (mm)Use to set the deformation y to calculate the stiffness matrix result.mm
16. Deformation Z (mm)Use to set the deformation z to calculate the stiffness matrix result.mm
17. Tilt X (deg)Use to set the tilt x to calculate the stiffness matrix result.deg
18. Tilt Y (deg)Use to set the tilt y to calculate the stiffness matrix result.deg

Bearing stiffness is defined by explicit equations as follows:

(14–52)

(14–53)

Strength

Figure 14.239: Component Analysis tab - Deep groove ball bearing designer (Strength)

Component Analysis tab - Deep groove ball bearing designer (Strength)

Figure 14.240: Parameters in Component Analysis - Strength tab of Deep groove ball bearing

ParameterDescription

Dimension

(Range)

1.Calculate StrengthRun the Motion Solver to calculate strength.N/A
2. SpeedUse to set the operating speed.Rpm
3. Axial ForceUse to set the operating axial force.Force
4. Radial ForceUse to set the operating radial force.Force
5. TemperatureUse to set the operating temperature.
6. C0rUse to set the basic static radial load rating.Force
7. CrUse to set the basic dynamic radial load rating.Force
8. Basic load rating typeUse to select a basic load rating type of From Library, ISO or User Input. The From Library option allows you to reference stored libraries. Selecting this type will automatically change the basic load rating to the value contained in the bearing catalog. The ISO option makes and applies a calculation based on ISO. The User Input option references the user-input value.N/A
9. a1Use to select the reliability type.%
10. Lubricant TypeUse to select the lubrication type from Oil with filter, Oil without filter or Grease.N/A
11. CleanlinessUse to select the cleanliness type.N/A
12. Pr

This value is calculated by input parameters.

PR : Dynamic equivalent radial load.

Force
13. L10[Rev]Basic rating life with respect to revolutions (ISO 281)Rev
14. L10[hr]Basic rating life with respect to time (ISO 281)Hr
15. Lnm[Rev]Modified rating life with respect to revolutions (ISO 281)Rev
16. Lnm[hr]Modified rating life with respect to time (ISO 281)Hr

Rating lives are calculated using the equations below.

(14–54)

(14–55)

(14–56)

(14–57)

(14–58)

Figure 14.241: Reference data for Life factor

Reference data for Life factoreReference data for Life factorReference data for Life factor
XYXY
0.1720.191.000.000.562.30
0.3450.221.000.00>0.561.99
0.6890.261.000.000.561.71
1.0300.281.000.000.561.55
1.3800.301.000.000.561.45
2.0700.341.000.000.561.31
3.4500.381.000.000.561.15
5.1700.421.000.000.561.04
6.8900.441.000.000.561.00

14.5.6.1.2. Angular Contact Ball Bearing
14.5.6.1.2.1. General

Refer to General.

14.5.6.1.2.2. Dimension

Figure 14.242: Angular contact ball bearing Dimensions tab

Angular contact ball bearing Dimensions tab

Figure 14.243: Parameters in the Angular contact ball bearing Dimensions tab

ParameterDescription

Dimension

(Range)

1. BoreUse to set the bore.Length(mm)
2. Outer diameterUse to set the outer diameter.Length(mm)
3. WidthUse to set the width.Length(mm)
4. Ball pitch diameterUse to set the pitch diameter of the balls.Length(mm)
5. Action pointUse to set the action point. This value determines the contact angle.Length(mm)
6. Contact angle

This value is calculated by the Action point.

(Read only).

Angle(deg)
7. Number of ballUse to set the number of balls.N/A
8. Ball diameterUse to set the diameter of balls.Length(mm)
9. Inner raceway shoulder diameter (L)Use to set the shoulder lager diameter of the inner raceway.Length(mm)
10. Outer raceway shoulder bore (L)Use to set the shoulder lager diameter of the outer raceway.Length(mm)
11. Inner raceway shoulder diameter (S)Use to set the shoulder small diameter of the inner raceway.Length(mm)
12. Outer raceway shoulder bore (S)Use to set the shoulder small diameter of the outer raceway.Length(mm)
13. Rounding radiusUse to set the rounding radius.Length(mm)

14.5.6.1.2.3. Component Analysis
Stiffness

Refer to Figure 14.237: Component Analysis tab - Deep groove ball bearing designer (Stiffness).

Strength

Refer to Figure 14.237: Component Analysis tab - Deep groove ball bearing designer (Stiffness).

Figure 14.244: Reference data for Life factor

Contact

angle

Reference data for Life factoreReference data for Life factorReference data for Life factor
XYXY
50.1720.19100.562.30
0.3450.22100.561.99
0.6890.26100.561.71
1.030.28100.561.55
1.380.30100.561.45
2.070.34100.561.31
3.450.38100.561.15
5.170.42100.561.04
6.890.44100.561.00
100.1750.29100.461.88
0.350.32100.461.71
0.70.36100.461.52
1.050.38100.461.41
1.40.4100.461.34
2.10.44100.461.23
3.50.49100.461.1
5.250.54100.461.01
70.54100.461
150.1780.38100.441.47
0.3570.4100.441.4
0.7140.43100.441.3
1.070.46100.441.23
1.430.47100.441.19
2.140.5100.441.12
3.570.55100.441.02
5.350.56100.441
7.140.56100.441
20-0.57100.431
25-0.68100.410.87
30-0.8100.390.76
35-0.95100.370.66
40-1.14100.350.57
45-1.34100.330.5

14.5.6.1.3. Tapered Roller Bearing
14.5.6.1.3.1. General

Refer to General.

14.5.6.1.3.2. Dimension

Figure 14.245: Dimensions tab in Tapered Roller Bearing designer

Dimensions tab in Tapered Roller Bearing designer

Figure 14.246: Parameters in Dimensions tab of Tapered Roller Bearing

ParameterDescription

Dimension

(Range)

1. BoreUse to set the bore.Length(mm)
2. Outer diameterUse to set the outer diameter.Length(mm)
3. WidthUse to set the width.Length(mm)
4. Width of ConeUse to set the width of the cone.Length(mm)
5. Width of CupUse to set the width of the cup.Length(mm)
6. Roller pitch diameterUse to set the pitch diameter of the roller.Length(mm)
7. Action pointUse to set the action point. This value determines the contact angle.Length(mm)
8. Contact angle

This value is calculated by the Action point.

(Read only)

Angle(deg)
9. Number of rollerUse to set the number of rollers.Length(mm)
10. Roller diameterUse to set the diameter of the rollers.Length(mm)
11. Roller center pointUse to set the roller center point.Length(mm)
12. Roller lengthUse to set the roller length.Length(mm)
13. Roller tapered angleUse to set the tapered angle for the roller.Length(mm)
14. Cone shoulder diameterUse to set the diameter of the cone shoulder.Length(mm)
15. Rounding radius of coneUse to set the rounding radius of the cone.Length(mm)
16. Rounding radius of cupUse to set the rounding radius of the cup.Length(mm)

14.5.6.1.3.3. Component Analysis
Stiffness

Refer to Figure 14.237: Component Analysis tab - Deep groove ball bearing designer (Stiffness).

Strength

Figure 14.247: Component Analysis tab in the Tapered roller bearing designer (Strength)

Component Analysis tab in the Tapered roller bearing designer (Strength)

Figure 14.248: Parameters in Component Analysis - Strength tab for a Tapered roller bearing

ParameterDescription

Dimension

(Range)

1. Calculate StrengthRun the Motion Solver to calculate strength.N/A
2. SpeedUse to set the operating speed.Rpm
3. Axial ForceUse to set the operating axial force.Force
4. Radial ForceUse to set the operating radial force.Force
5. TemperatureUse to set the operating temperature.
6. C0rUse to set the basic static radial load rating.Force
7. CrUse to set the basic dynamic radial load rating.Force
8. Basic load rating typeUse to select a basic load rating type of From Library, ISO or User Input. The From Library option allows you to reference stored libraries. Selecting this type will automatically change the basic load rating to the value contained in the bearing catalog. The ISO option makes and applies a calculation based on ISO. The User Input option references the user-input value.N/A
9. a1Use to select the reliability type.%
10. Lubricant TypeUse to select the lubrication type from Oil with filter, Oil without filter or Grease.N/A
11. CleanlinessUse to select the cleanliness type.N/A
12. Pr

This value is calculated by input parameters.

Pr : Dynamic equivalent radial load.

Force
13. L10[Rev]Basic rating life according to revolutions (ISO 281)Rev
14. L10[hr]Basic rating life according to time (ISO 281)Hr
15. Lnm[Rev]Modified rating life according to revolutions (ISO 281)Rev
16. Lnm[hr]Modified rating life according to time (ISO 281)Hr

Rating lives are calculated using the equations below.

(14–59)

(14–60)

(14–61)

(14–62)

(14–63)

Figure 14.249: Reference data for Life factor

Reference data for Life factorReference data for Life factore
XYXY
100.40.4cotα1.5tanα

14.5.6.1.4. Cylindrical Roller Bearing
General

Refer to General.

Dimension

Figure 14.250: Cylindrical Roller Bearing Dimensions tab

Cylindrical Roller Bearing Dimensions tab

Figure 14.251: Parameters in the Cylindrical Roller Bearing Dimensions tab

ParameterDescription

Dimension

(Range)

1. BoreUse to set the bore.Length(mm)
2. Outer diameterUse to set the diameter of outer.Length(mm)
3. WidthUse to set the width.Length(mm)
4. Roller pitch diameterUse to set the pitch diameter of roller.Length(mm)
5. Number of rollerUse to set the number of roller.N/A
6. Roller diameterUse to set the diameter of rollerLength(mm)
7. Inner raceway shoulder diameter (L)Use to set the shoulder lager diameter of inner raceway.Length(mm)
8. Outer raceway shoulder bore (L)Use to set the shoulder lager diameter of outer raceway.Length(mm)
9. Rounding radiusUse to set the rounding radiusLength(mm)
10. Roller lengthUse to set the roller lengthLength(mm)

Component Analysis

Stiffness

Refer to Figure 14.237: Component Analysis tab - Deep groove ball bearing designer (Stiffness).

Strength

Refer to Figure 14.237: Component Analysis tab - Deep groove ball bearing designer (Stiffness). Note that the equation is slightly different, when calculating Pr. Pr is defined by Fr.