Surface roughness

Ra

0.8 to 3.2 µm

Rz

6.3 to 16.0 µm

Rmax

≤16.0 µm

Housing tolerance

Bore diameter

ØD1 (mm)

Tolerance

H8 (mm)

3.0 < ØD1 ≤ 6.0

0 / +0.018

6.0 < ØD1 ≤ 10.0

0 / +0.022

10.0 < ØD1 ≤ 18.0

0 / +0.027

18.0 < ØD1 ≤ 30.0

0 / +0.033

30.0 < ØD1 ≤ 50.0

0 / +0.039

50.0 < ØD1 ≤ 80.0

0 / +0.046

80.0 < ØD1 ≤ 120.0

0 / +0.054

120.0 < ØD1 ≤ 180.0

0 / +0.063

180.0 < ØD1 ≤ 250.0

0 / +0.072

250.0 < ØD1 ≤ 315.0

0 / +0.081

315.0 < ØD1 ≤ 400.0

0 / +0.089

400.0 < ØD1 ≤ 500.0

0 / +0.097

500.0 < ØD1 ≤ 630.0

0 / +0.110

Groove width

Height

H1 (mm)

Width

L2 min (mm)

L1 min (mm)

7.00

5.95

7.50

8.00

6.80

8.50

10.00

8.50

11.00

12.00

10.30

13.00

15.00

12.75

16.00

20.00

17.00

21.00

Groove radius

Height

H1 (mm)

Radius

R2 max (mm)

7.00

0.50

8.00

10.00

12.00

0.70

15.00

20.00

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HOUSING DESIGN

L1

L2

10° / 20°

R2 max

20° / 30°

R

ROTARY SEALS | SHAFT SEALS WITH PTFE LIPS |

BECA 804

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