Table 1: Recommended dimensions

Nominal housing section Q (Seal section) Tolerance on housing section Q Maximum shaft diameter h9 Lead-in chamber depth Minimum housing depth M (Without spacer rings) R max
T1 max T2 max
mm mm mm mm mm mm mm
10 +0.58 -0.44 575 3.0 2.4 24 1.6
12.5 +0.69 -0.53 700 4.0 3.0 31 2.0
16 +0.81 -0.66 900 5.0 4.0 40 2.5
19 +1.01 -0.80 1100 6.0 4.5 47 3.0
25 +1.21 -0.96 Consult James Walker 8.0 6.0 64 4.0