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New Reduced price! BS 978-3:1952 View larger

BS 978-3:1952

M00000487

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BS 978-3:1952 Specification for fine pitch gears. Bevel gears

standard by BSI Group, 01/24/1952

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$60.07

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$139.70

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Full Description

Form, proportions of machine cut conical gears connecting intersecting shafts in pitch range 20 to 80 D.P. Straight or curved teeth with normal pressure angle 20 at pitch cone. Addendum modification, permissible errors and tolerances for Class A, Class B gears.

Cross References:
BS 545
BS 721
BS 2519