Customer Support: 131 242

  • There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert

BS 4999-141:1987

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

View Superseded by
withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

General requirements for rotating electrical machines Specification for standard dimensions
Available format(s)

Hardcopy , PDF

Withdrawn date

22-04-2004

Language(s)

English

Published date

27-02-1987

Foreword
Committees responsible
Specification
1 Scope
2 References
3 General
4 Shaft end dimensions
5 Dimensions of foot-mounted frames
6 Dimensions of flange-mounted frames
7 Dimensions of skirt-mounted frames
8 Dimensions of face-flange frames
9 Dimensions of large foot-mounted frames
10 Dimensions of pad-mounted or rod-mounted frames
11 Dimensions of slide rails
Tables
1 Dimensions of shaft ends and keyways
2 Dimensions of single tapped hole in shaft extension
3 Dimensions of two tapped holes in shaft extension
4 Fixing dimensions of foot-mounted frames, all
    enclosures
5 Fixing dimensions of foot-mounted frames, ventilated
    enclosure, for d.c. machines
6 Fixing dimensions of flange-mounted frames,
    enclosure D
7 Fixing dimensions of flange-mounted frames,
    enclosure C
8 Fixing dimensions of skirt-mounted frames, enclosure
    D
9 Fixing dimensions of skirt-mounted frames, enclosure
    C
10 Fixing dimensions of face-flange frames, enclosures
    C and D
11 Preferred fixing dimensions for large horizontal
    shaft motors with high shaft centres
12 Preferred fixing dimensions for large horizontal
    shaft motors with low shaft centres
13 Fixing dimensions of pad-mounted or rod-mounted
    frames, enclosure D
14 Standard dimensions of slide rails
15 Dimension AT for fabrication
Figures
1 Indicator mounting for measurement of spigot run-out
    and shaft extension run-out
2 Indicator mounting for measurement of squareness of
    mounting face of flange to shaft
3 Symbols for shaft end dimensions
4 Symbols for foot-mounted machines
5 Symbols for flange-mounted machines
6 Symbols for skirt-mounted machines
7 Symbols for face-flange mounted machines
8 Symbols for pad-mounted or rod-mounted machines
9 Symbols for slide rails

Dimensions for a series of frame sizes from 56 mm up to 400 mm centre height, and preferred values from which selection can be made for machines with centre height from 355 mm to 1000 mm. Also slide rails.

Committee
PEL/2
DocumentType
Standard
Pages
22
PublisherName
British Standards Institution
Status
Withdrawn
SupersededBy
Supersedes

Standards Relationship
IEC 60072A:1970 Similar to
IEC 60072-1:1991 Similar to

BS 4999-103:1987 General requirements for rotating electrical machines Specification for symbols

BS 4235-1:1972 Specification for metric keys and keyways Parallel and taper keys
IEC 60072A:1970 Dimensions and output ratings for foot-mounted electrical machines with frame numbers 355 to 1 000
BS 4999-103:1987 General requirements for rotating electrical machines Specification for symbols

View more information
$294.12
Including GST where applicable

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.

Need help?
Call us on 131 242, then click here to start a Screen Sharing session
so we can help right away! Learn more