20°/30°

L1

L2

R2 max

10°/20°

R

|

|

ROTATING HUB DESIGN

Rotating hub hardness

Rotation speed

Hardness in HRC

s ≤ 4.0 m/sec

45 HRC

4.0 < s ≤ 10.0 m/s

55 HRC

s > 10.0 m/sec

60 HRC

Surface roughness

Ra *

0.2 to 0.8 µm

Rz

1.0 to 4.0 µm

Rmax

≤6.3 µm

*Ra = 0.1 µm for demanding applications

Rotating hub tolerance

Rotating hub diameter

ØD1 (mm)

Tolerance

H11 (mm)

3.0 < ØD1 ≤ 6.0

0 / +0.075

6.0 < ØD1 ≤ 10.0

0 / +0.090

10.0 < ØD1 ≤ 18.0

0 / +0.110

18.0 < ØD1 ≤ 30.0

0 / +0.130

30.0 < ØD1 ≤ 50.0

0 / +0.160

50.0 < ØD1 ≤ 80.0

0 / +0.190

80.0 < ØD1 ≤ 120.0

0 / +0.220

120.0 < ØD1 ≤ 180.0

0 / +0.250

180.0 < ØD1 ≤ 250.0

0 / +0.290

250.0 < ØD1 ≤ 315.0

0 / +0.320

315.0 < ØD1 ≤ 400.0

0 / +0.360

400.0 < ØD1 ≤ 500.0

0 / +0.400

Chamfer and radius

Rotating hub diameter

ØD1 (mm)

Chamfer diameter

ØD3 (mm)

Radius

R (mm)

ØD1 ≤ 10.0

ØD1 + 1.50

2.00

10.0 < ØD1 ≤ 20.0

ØD1 + 2.00

2.00

20.0 < ØD1 ≤ 30.0

ØD1 + 2.50

3.00

30.0 < ØD1 ≤ 40.0

ØD1 + 3.00

3.00

40.0 < ØD1 ≤ 50.0

ØD1 + 3.50

4.00

50.0 < ØD1 ≤ 70.0

ØD1 + 4.00

4.00

70.0 < ØD1 ≤ 95.0

ØD1 + 4.50

5.00

95.0 < ØD1 ≤ 130.0

ØD1 + 5.50

6.00

130.0 < ØD1 ≤ 240.0

ØD1 + 7.00

8.00

240.0 < ØD1 ≤ 500.0

ØD1 + 11.00

12.00

Rotating hub run out and eccentricity

3000 r.p.m

2000 r.p.m

1000 r.p.m

500 r.p.m

0

50

100

150

200

0,1

0,2

0,3

0,4

Hub diameter (mm)

ROTARY SEALS | INVERTED SHAFT SEALS |

OVC

FRANCE JOINT SAS Zone Artisanale Le Mortier - B.P. 50009 - Cugand - 85613 Montaigu Cedex - France

Ph.

+33 (0)2 51 42 13 76 - Fax +33 (0)2 51 43 61 14 - Email: contact@francejoint.fr - Website: www.francejoint.com