Precision ground ball screws DIN standard SKD / BKD / PKD
Features and benefits
- Standard composite recirculation inserts
- Optional steel recirculation inserts
- Standard lead precision G5; optional lead precision G3 or G1
- Lubrication hole for grease nipple or for SKF SYSTEM 24 automatic lubrication kit
- Optional surface coating on shaft and nut
- Optional wipers
- Optional support bearings
- Precision ground nut well suited for positioning screws
- Optional steel recirculation inserts can act as a safety device for severe or vertical applications. Please contact SKF
- Backlash elimination by oversized balls on request (BKD designation)
-
One-piece nut with internal preload for compactness and optimum rigidity (PKD version)
Technical data
| Nominal diameter
| from 16 to 63 mm
|
| Lead
| from 5 to 10 mm
|
| Basic dynamic load capacity
| from 7 to 94,6 kN
|
| Basic static load capacity
| from 10 to 262 kN
|
| Standard preload
| 7% to 8,5% of ball screw Ca value, depending on ball screw size (PN version)
|
Typical applications
- Machine tool
- Machining centres
- Grinding machines
- Marble and stone cutting
-
And many other applications
