Industrial - X Horizontal - Catalog 08 - 11681810.pdf

9 Important Notes
9.1 Dimension sheet information
9.1.1 General information
Scope of delivery
Oil quantity/weight
NOTE
Catalog – Helical and Bevel-Helical Gear Units X.. Series Horizontal
Important Notes
Dimension sheet information
Unless specified otherwise, all dimensions are given in mm. The NEMA motor adapters
are an exception. They are stated in inch.
The specified fill quantities are guide values. The information on the nameplate is binding.
NOTE
= Standard parts supplied by SEW-EURODRIVE.
= Standard parts not supplied by SEW-EURODRIVE.
The weight data in the selection tables do not include oil the oil fill.
Options The option dimension sheets show the options in connection with gear unit X.S.. with a
solid shaft. Unless otherwise indicated, all options are also possible for gear units with
hollow shafts (X.A../X.H..).
9.1.2 Tolerances
Shaft ends Diameter tolerance in accordance with DIN 748:
∅ ≤ 50 mm → ISO k6
∅ > 50 mm → ISO m6
Center bores according to DIN 332, part 2 (Type D..):
∅ > 16...21 mm → M6
∅ > 21...24 mm → M8
∅ > 24...30 mm → M10
∅ > 30...38 mm → M12
∅ > 38...50 mm → M16
∅ > 50...85 mm → M20
∅ > 85...130 mm → M24
∅ > 130...225 mm 5) → M30
∅ > 225...320 mm 5) → M36
∅ > 320...500 mm 5) → M42
5) Dimensions not according to DIN 332; the thread depth including the counterbore is
at least twice that of the nominal thread diameter
Keys according to DIN 6885 (domed type)
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