Allowable Stresses in Clamping Joints

Joints of hubs with shafts calculated in metric units

Shaft Material (pressed on material)

p A [MPa]

static

repeated

alternating

Steel grade 37, 42, free-cutting steel

90

63

45

Steel grade 50

125

90

56

Steel grade 60

160

100

63

Steel grade 70, high-grade and alloy steel

180

110

70

Cast Steel

80

56

40

gray Cast Iron

70

50

32

Bronze

32

22

16

Allowable stresses for joints of hubs with shafts calculated in English units

Shaft Material (pressed on material)

p A [psi]

static

repeated

alternating

Steel grade 37, 42, free-cutting steel

12.800

8.960

6.400

Steel grade 50

17.750

12.800

7.960

Steel grade 60

22.750

14.220

8.960

Steel grade 70, high-grade and alloy steel

25.600

15.645

9.960

Cast Steel

11.380

7.965

5.690

gray Cast Iron

9.960

7.110

4.450

Bronze

4.450

61.330

2.275