Offset output drive VNK2B251, size 4, 7/16 in quick-change chuck, 15 to 138 Nm - Bosch Rexroth 0608800635

Where the joint sits further from the spindle axis, the VNK2B251 pairs the 7/16 in quick-change chuck with a length A of 252 and an installation length of 379. The drive places the joint beside the spindle axis, covers 15 to 138 Nm and turns at up to 340 rpm. Rexroth rates it maintenance-free for 1 million full-load cycles.

Benefits

• Offset design for tight hole patterns: spindles can be lined up closely even at small joint spacing
• Working range 15 to 138 Nm, maximum torque 150 Nm, direct ratio 1
• Tool holder 7/16 in quick-change chuck: bits and inserts are changed quickly
• Maintenance-free for 1 million full-load cycles
• Typical efficiency 0.91, spring travel 50 at spring force 30 to 93

Specifications

Applications

• Multi-spindle tightening systems with tight hole patterns
• Stations with frequent bit and insert changes
• Spindle layouts with a medium offset

System compatibility

• Rexroth Tightening System 350, size 4 fastening spindle
• Output module of the spindle, combined with EC motor, planetary gearbox and transducer