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)
Collet Chuck Type ER, JIS B 6339-2, BT50
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
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
Collet Chuck Type ER, JIS B 6339-2, BT50
| Description | Norm: | Value: metric/ inch |
|---|---|---|
| Size | ER20 | |
| Clamping range | 1,5-13,0 | |
| Length A | A | 70 mm |
| A-length version | short | |
| Length | L | 41,5 mm |
| Interface | BT50 | |
| Diameter clamping nut | D | 34 mm |
| Mass (weight) | D7 | 3,700 kg |
| Flange diameter | A4 | 100 mm |
| 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 |
| Weight | WT | 3,700 kg |
| Flange diameter | DF | 100 mm |
| Connection code type machine side | CCTMS | SKG |
| Company identification | COMPC | HAI |
Downloads
Register to get access to free downloads of CAD data (DXF and STP) on our product websites.
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)
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
Collet Chuck Type ER, JIS B 6339-2, BT50
| Description | Norm: | Value: metric/ inch |
|---|---|---|
| Size | ER20 | |
| Clamping range | 1,5-13,0 | |
| Length A | A | 70 mm |
| A-length version | short | |
| Length | L | 41,5 mm |
| Interface | BT50 | |
| Diameter clamping nut | D | 34 mm |
| Mass (weight) | D7 | 3,700 kg |
| Flange diameter | A4 | 100 mm |
| 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 |
| Weight | WT | 3,700 kg |
| Flange diameter | DF | 100 mm |
| Connection code type machine side | CCTMS | SKG |
| Company identification | COMPC | HAI |
Downloads
Downloads
Register to get access to free downloads of CAD data (DXF and STP) on our product websites.
All product variants
With the help of our filter you can refine your search by selecting attributes.
Filter
| Order No. | A-length version | Clamping range | Interface | Length A | Size | Downloads | metric/ inch |
|---|---|---|---|---|---|---|---|
| 50.520.16 | short | 0,5-10,0 | BT50 | 70 mm | ER16 |
Download after registration
|
|
| 50.520.20 | short | 1,5-13,0 | BT50 | 70 mm | ER20 |
Download after registration
|
|
| 50.520.25 | short | 1,0-16,0 | BT50 | 70 mm | ER25 |
Download after registration
|
|
| 50.520.32 | short | 1,5-20,0 | BT50 | 70 mm | ER32 |
Download after registration
|
|
| 50.520.40 | short | 2,5-26,0 | BT50 | 80 mm | ER40 |
Download after registration
|
|
| 50.521.16 | long | 0,5-10,0 | BT50 | 100 mm | ER16 |
Download after registration
|
|
| 50.521.20 | long | 1,5-13,0 | BT50 | 100 mm | ER20 |
Download after registration
|
|
| 50.521.25 | long | 1,0-16,0 | BT50 | 100 mm | ER25 |
Download after registration
|
|
| 50.521.32 | long | 1,5-20,0 | BT50 | 100 mm | ER32 |
Download after registration
|
|
| 50.521.40 | long | 2,5-26,0 | BT50 | 100 mm | ER40 |
Download after registration
|
|
| 50.522.16 | oversize (160 mm) | 0,5-10,0 | BT50 | 160 mm | ER16 |
Download after registration
|
|
| 50.522.25 | oversize (160 mm) | 1,0-16,0 | BT50 | 160 mm | ER25 |
Download after registration
|
|
| 50.522.32 | oversize (160 mm) | 1,5-20,0 | BT50 | 160 mm | ER32 |
Download after registration
|
|
| 50.522.40 | oversize (160 mm) | 2,5-26,0 | BT50 | 160 mm | ER40 |
Download after registration
|
Haimer Care
The quality at Haimer is not only
by the product, but also by the
accompanying services.
Scope of service
- Early wear detection
- Preservation of the target condition
- High availability of HAIMER specialists
- Consistent quality level
- Prerequisite for certification according to ISO 9001