Metric Hardened & Ground Helical Racks, Continuous Mounting 1.5 – 6 MOD

Metric Hardened & Ground Helical Racks, Continuous Mounting 1.5 – 6 MOD

689-1
689-2
Part No.
Module L M
No. teeth
B A
Height to pitch
hp
c N R V d D T P S d1 (kg)
SRH15/19/1C
1.5
1000 6.7 200 19 19
17.50 0/-027
2 62.5 125 8 7 11 7 31.7 936.6 5.7 2.6
SRH20/24/1C
2 1000 8.5 150 24 24
22.00 0/-027
2 62.5 125 8 7 11 7 31.7 936.6 5.7 4.1
SRH25/24/1C
2.5 1000 8.5 120 24 24
21.50 0/-027
2 62.5 125 9 7 11 7 31.7 936.6 5.7 4.1
SRH30/29/1C
3 1000 10.3 100 29 29
26.00 0/-034
2 62.5 125 9 10 15 9 35 930 7.7
5.9
SRH40/39/1C
4 1000
13.8
75 39 39
35.00 0/-034
3 62.5 125 12 10 15 9 33.3 933.4 7.7
10.7
SRH50/49/1C
5 1000 17.4 60 49 39
34.00 0/-034
3 62.5 125 12 14 20 13 37.5 925 11.7 13.1
SRH60/59/1C
6 1000 20.9 50 59 49
43.00 0/-041
3 62.5 125 16 18 26 17 37.5 925 15.7 19.9
  • Helical Racks-with a helix angle of 19° 31′ 42″ Right hand
  • Material – Steel C45
  • 20° pressure angle
  • Teeth – Hardened and ground HRC 50-55 all faces ground
  • Quality Grade-6h 23 DIN3962/63/67
  • Adjacent pitch error
    0.006mm (3 Mod & under)
    0.008mm (over 3 Mod)
    Cumulative = Pitch error / 0.03mm (1000mm)

Please note: All dimensions subject to change. If a dimension is critical to your application please contact our Sales Department for confirmation.
For special or reworked racks please contact our Manufacturing Department for a quotation.