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Collet Chuck Type ER, JIS B 6339-2, BT50

Order number: 50.520.20
Size: ER20
A-length version: short
Description
Collet Chuck Type ER, JIS B 6339-2, BT50
Quality pass
Chuck body fine balanced G2.5 at 22.000 rpm
All functional surfaces fine machined
Taper tolerance AT3
Coolant supply form JD/JF
For clamping tools with cylindrical shank in ER collets according to ISO 15488.
With taper JIS B 6339-2 BT50 form JD/JF.
Form JD/JF: interior coolant supply through centre (Form JD) and through the collar (form JF)
Scope of Delivery
  • With locknut (balanced, with slide coating for higher clamping forces)
HAIMER TIP
Locknut type HS (High-Speed, fine balanced, with slide coating for higher clamping forces) on request Enlarging of size L upon request
Technical specifications
asset-112530-925
Notice
Technical data subjects to change without prior notice.
Description Norm: Haimer Value: metric/inch
Size ER20
Clamping range 1,5-13,0
Length A A 70 inch / 2.756 inch
A-length version kurz
Length L 41,5 inch / 1.634 inch
Interface BT50
Diameter clamping nut D 34 inch / 1.339 inch
Description Norm: DIN 4000 Value: metric/inch
Mass (weight) D7 3,700 kg
Flange diameter A4 100 inch / 3.937 inch
Connection code type machine side C11 SKG
Connection code form type machine side C12 57
Connection code unit base machine side C14 9
Connection code style machine side C15 5
Connection size code machine side C2 0500
Company identification J3 HAI
interface code to machine side J6 SKG05005795
Description Norm: ISO 13399 Value: metric/inch
Weight WT 3,700 kg
Flange diameter DF 100 inch / 3.937 inch
Connection code type machine side CCTMS SKG
Company identification COMPC HAI

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