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GN 321
Disc handwheels
Aluminium, blank, rim polished
Description
Specification
Types
- Type A: without handle
- Type R: with revolving handle
Bore codes
- Version B: without keyway
- Version K: with keyway
Aluminium
- Hub machined
- Rim turned
Rim concentric and square to bore < 0.4
Wheel body
- Rim high-polished
- unmachined body matt shot-blasted
Cylindrical Revolving handles GN 798Â
- Plastic, technopolymer, black matt
- Spindle steel, zinc plated, blue passivated
Information
Disc handwheels GN 321 have recessed grips at their back.
- Countersunk washers GN 184 (for axial fixing)
Technical information
- Keyway P9 DIN 6885Â
- Cross holes GN 110
- ISO-Fundamental TolerancesÂ
GN 321-A
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